Jon Katz

• Fellow, American Congress of Obstetricians and Gynecologists 1994-
• District of Columbia Medical Society 1989-1997
• Society of Perinatal Obstetricians, Member 1990-
• Society for Maternal-Fetal Medicine, Member 1998-present
• American Medical Association 1991-1999
• Washington Gynecological Society 1991-1997
• New York Academy of Science 1992-1998
• Montgomery County Medical Society 1994-1997
• Baltimore County Medical Society 1997-1998
• M.O.S.T., Professional/Medical Advisory Board 1997-2005
• Executive Committee, The Maryland Obstetrical and Gynecological Society 2001-2004
• President, The Obstetrical and Gynecological Society of Maryland 2004-2007
• Past-President, The Obstetrical and Gynecological Society of Maryland 2007-
• Greater Hartford Medical Society 2007-2008
• Connecticut Medical Society 2008
• Arlington County Medical Society 2010-2012

• State of Maryland License Registration #D41736 Expires 2026-09-30 MD CDS M32119
• Commonwealth of Massachusetts Registration # 58074 1987-1991, 2004-2015
• District of Columbia License Registration # MD17933 1989-1998
• District of Columbia License Registration # MD046361 2018-2020 DC CDS #CS1800333 2018-2020
• Commonwealth of Virginia Medical License Registration #0101043720 1989-1992, 2009-2012
• Commonwealth of Pennsylvania Registration #MD426592 2005-2008, 2016-2018
• Expires 2026-12-31 2022-
• State of Connecticut License #045711 2007-2009
• Montana Medical License #104260 2021-2023
• State of New Jersey #25MA11416400 2022-2024
• South Carolina Medical License #95917 2025-
• Drug Enforcement Agency License Expires: 2027-12-31, # furnished upon request
• Board Certified in Obstetrics and Gynecology Recertification 2003-2009, 2010-2026
• Board Certified in Maternal- Fetal Medicine Recertification 2003-2026
• Nuchal Translucency Certification P03518 2007-present
• Nasal Bone certification 2011-present
• NPI #1023022167

• Child Name: Brittany Lee Katz
• Child Name: Andrew Philip Katz
• Child Name: Matthew Brydon Katz
• Title: Division Director
• Date of Birth: March 25, 1959
• Marital Status: Married

• Blancato, J, Hunt, M, George, J, Katz, J, Meck, J, Varying levels of Mosaicism in Tissues of a Prenatally Diagnosed Case of Tetrasomy 12p, Eighth International Congress of Human Genetics, Washington, DC, 1991-10-01
• Katz, JM, Fox, CH, Eglinton, GS, Meyers, WA, Queenan, JT, Correlation between the Presence of HIV-1 mRNA in Third Trimester Placenta and Neonatal Outcome, Society of Perinatal Obstetricians, Orlando, FL, 1992-02-01
• Katz, J, Booker, S, Glassman, L, The Use of Endovaginal Sonography to Accurately Diagnose a Third-trimester Abdominal Pregnancy, Am College of Obstetricians/ Gynecologists District IV Annual Meeting, San Juan, PR, 1992-11-01
• Katz, J, Bolan, J, Bronsky, G, Lipson, A, The use of Insulin U-500 in a Gestational Diabetic Refractory to Large Doses of U-100 Insulin, Am College of Obstetricians/Gynecologists District IV Annual Meeting, San Juan, PR, 1992-11-01

• Instructor, Department of Obstetrics and Gynecology, Georgetown University School of Medicine, 3800 Reservoir Rd., NW, Washington, DC, 20007, 1989-07-01, 1991-06-01
• Guest Researcher, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, 1990-07-01, 1991-06-01
• Staff Perinatologist, Division of Maternal-Fetal Medicine, Columbia Hospital for Women Medical Center, 2425 L. Street, N.W., Washington, DC, 20037, 1991-08-01, 1996-11-01
• Staff Perinatologist, Department of Obstetrics and Gynecology, Shady Grove Adventist Hospital, 9901 Medical Center Drive, Rockville, MD, 20815, 1991-09-01, 1998-12-01
• Director, Division of Maternal-Fetal Medicine, Franklin Square Hospital Center, 9000 Franklin Square Drive, Baltimore, MD, 20037, 1996-11-01, 2001-07-01
• Assistant Professor, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD, 21287, 1997-07-01, 2006-10-01
• Clinical Assistant Professor, Department of Obstetrics, Gynecology, & Reproductive Sciences, University of Maryland School of Medicine, 22 South Green Street, Baltimore, MD, 21201, 1999-07-01, 2022-01-01
• Staff Perinatologist, Department of Obstetrics and Gynecology, Harbor Hospital Center, 3001 South Hanover Street, Baltimore, MD, 21225, 1997-01-01, 2001-08-01
• Chief, Section of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Sinai Hospital of Baltimore, 2401 West Belvedere Ave., Baltimore, MD, 21215, 2001-08-01, 2005-06-01
• Associate Director, Division of Maternal-Fetal Medicine, York Hospital /WellSpan Medical Group, York, PA, 17405, 2005-07-01, 2007-09-01
• Staff Perinatologist, Division of Maternal-Fetal Medicine, St. Francis Hospital and Medical Center, Hartford, CT, 06105, 2007-10-01, 2008-12-01
• Medical Director, Department of Maternal-Fetal Medicine, Virginia Hospital Center, 2315 Myrtle Street, Suite #290B, Arlington, VA, 22207, 2009-04-01, 2011-04-01
• Director, Perinatal Diagnostic Center (PDC), Prince George’s Hospital Center, Cheverly, MD, 20785, 2011-05-01, 2016-11-01
• Medical Director, Maternal-Fetal Medicine, Allegheny Health Network, Saint Vincent Hospital, 2315 Myrtle Street, Suite #290B, Erie, PA, 16502, 2016-11-01, 2018-07-01
• Staff Perinatologist, Division of Maternal-Fetal Medicine, Washington Hospital Center, 110 Irving Street, NW, Washington, DC, 20010, 2018-08-01, 2020-11-01
• Assistant Professor, Department of Obstetrics and Gynecology, Georgetown University School of Medicine, 3800 Reservoir Rd., NW, Washington, DC, 20007, 2020-01-01, 2022-01-01
• Staff Perinatologist, Division of Maternal-Fetal Medicine, Franklin Square Hospital Center, 9000 Franklin Square Drive, Baltimore, MD, 20037, 2019-11-01, 2022-02-01
• Perinatologist, TLC Perinatal PA, 10801 Lockwood Drive, Suite #300, Silver Spring, MD, 20901, 2022-03-01, 2025-08-01
• Staff Perinatologist, Lancaster General Hospital/Penn Medicine Physicians, 694 Good Drive, Suite #200, Lancaster, PA, 17601, 2022-06-01, 2026-01-01
• Division Director, Summerville Maternal-Fetal Medicine, 295A Midland Parkway, Summerville, SC, 29485, 2026-01-01

• High Risk Obstetrical Clinic, Georgetown University School of Medicine, Washington, DC, 1989-01-01, 1991-01-01
• High-Risk Clinic, Group Health Associates, Washington, DC, 1989-01-01, 1990-01-01
• Arlington Hospital, Arlington, VA, 1990-01-01
• Maryland Perinatal Clinical Advisory Committee, 2004-01-01, 2007-01-01
• Nantucket Cottage Hospital, 2005-01-01, 2015-01-01

• State of Maryland License, #D41736, 2026-09-30
• Commonwealth of Massachusetts, #58074, 2004-01-01, 2015-01-01
• District of Columbia License, #MD17933, 2018-01-01, 2020-01-01
• Commonwealth of Virginia Medical License, #0101043720, 2009-01-01, 2012-01-01
• Commonwealth of Pennsylvania, #MD426592, 2016-01-01, 2018-01-01, 2026-12-31
• State of Connecticut, #045711, 2007-01-01, 2009-01-01
• Montana Medical License, #104260, 2021-01-01, 2023-01-01
• State of New Jersey, #25MA11416400, 2022-01-01, 2024-01-01
• South Carolina Medical License, #95917, 2025-01-01
• Drug Enforcement Agency License, 1989-01-01, 2027-12-31
• Board Certified in Obstetrics and Gynecology, 1993-01-01, 2003-01-01, 2010-01-01, 2026-01-01
• Board Certified in Maternal-Fetal Medicine, 1996-01-01, 2003-01-01, 2026-01-01
• Nuchal Translucency Certification P03518, 2007-01-01, True
• Nasal Bone certification, 2011-01-01, True
• #1023022167

• Neonatal Nurse Practitioner Lecture Series, Georgetown University Hospital, Washington, DC, 1990-01-01, 1997-03-01
• Obstetrical/Gynecological Grand Rounds, Franklin Square Hospital Center, Baltimore, MD, 1996-11-01
• Baltimore Ultrasound Education and Research, 1998-05-01
• Resident Research Day, Union Memorial Hospital, Baltimore, MD, 1998-06-01
• Obstetrical and Gynecological Ground Rounds, Greater Baltimore Medical Center, Baltimore, MD, 2001-03-01
• Baltimore Ob/Gyn Ethics Conference, Baltimore, MD, 2001-04-01, 2003-04-01
• Obstetrical and Gynecological Ground Rounds, Sinai Hospital of Baltimore, Baltimore, MD, 2001-10-01
• Obstetrical and Gynecological Ground Rounds, York Hospital, York, PA, 2001-12-01
• Obstetrical and Gynecological Ground Rounds, Maryland General Hospital, Baltimore, MD, 2002-10-01
• Obstetrical and Gynecological Ground Rounds, St. Agnes Hospital, 2007-01-01
• Obstetrical and Gynecological Ground Rounds, Greater Baltimore Medical Center, Baltimore, MD, 2004-03-01
• Obstetrical and Gynecological Grand Rounds, St. Joseph’s Hospital Medical Center, Baltimore, MD, 2004-04-01
• Obstetrical and Gynecological Ground Rounds, University of Maryland Medical Systems Grand Rounds, 2006-02-01
• Use of Video Clip Technology to Identify Fetal Anomalies, York Hospital, 2005-05-01
• Elective Cesarean Section, Gettysburg Hospital, 2006-10-01
• Evaluation of Thoracic Anomalies, The 12th Annual Ob/Gyn Ultrasound Symposium, Hartford, CT, 2008-03-01
• Surprise FISH- Surprise Karyotype, The Fetal Patient- New Directions, Bethesda, MD, 2011-03-01
• Should Aspirin be Incorporated into the Prenatal Vitamins?, MWHC Grand Rounds, 2018-11-01
• Complications of Monochorionic Twins, M WCH NICU CME Lecture Series, 2020-02-01
• How your Pregnancy is a Crystal Ball which Predicts Future Health and Illness, Nantucket, MA, 2021-08-01

• Normal Delivery after Five Preterms, The Female Patient, 1988, 13, 52
• Blancato, J, Hunt, M, George, J, Katz, J, Meck, J, Prenatal diagnosis of Tetrasomy 12p by in situ Hybridization: Varying Levels of Mosaicism in Different Fetal Tissues, Prenatal Diagnosis, 1992, 12, 979-83
• Katz, JM, Fox, CH, Eglinton, GS, Meyers, WA, Queenan, JT, Relationship between HIV-1 RNA in Placenta and Perinatal Transmission, Journal of Perinatology, 1997, 17, 2, 119-24

• Bright Beginnings-Lecture Series 1993
• Sexually Transmitted Diseases
• C & O Canal Restoration Project 1996-1998
• Peer Review-Board of Physician Quality Assurance (BPQA) 2000-2003
• Manuscript Reviewer, American Journal of Obstetrics and Gynecology Society for Maternal-Fetal Medicine Issue 2000-
• Manuscript Reviewer, Journal of Obstetrics and Gynecology 2003-
• Peer Reviewer, Maryland Board of Physicians 2003-
• Bryn Mawr School of Girls, Health Ed. Day 2004
• Executive Board Member, Baltimore Youth Hockey 2004
• Towsontowne Travel Soccer 2006
• Recording Secretary, Four Winds Community Association 2011-2021
• Instructor, Gliding Stars 2016-2018
• Co-Chair, March of Dimes Signature Chef’s Auction 2017
• March of Dimes Executive Leadership Team 2017-2018
• Board of Directors, Naushop Community Assoc 2024-

• Complications in Multiple Gestations
• Diabetes in Pregnancy
• Ultrasound Detection and Management of Fetal Anomalies

• Brittany Lee Katz, April 29, 1991
• Andrew Philip Katz, March 30, 1994
• Matthew Brydon Katz, May 15, 1998

• High Risk Obstetrical Clinic Georgetown University School of Medicine Washington, DC 1989-1991
• High-Risk Clinic Group Health Associates Washington, DC 1989-1990
• Arlington Hospital Arlington, VA 1990
• Maryland Perinatal Clinical Advisory Committee 2004-2007
• Nantucket Cottage Hospital 2005-2015

• Normal Delivery after Five Preterms. The Female Patient 1988;13:52.
• Blancato, J, Hunt, M, George, J. Katz, J, Meck, J. Prenatal diagnosis of Tetrasomy 12p by in situ Hybridization: Varying Levels of Mosaicism in Different Fetal Tissues. Prenatal Diagnosis 1992;12:979-83.
• Katz, JM, Fox, CH, Eglinton, GS, Meyers, WA, Queenan, JT. Relationship between HIV-1 RNA in Placenta and Perinatal Transmission, Journal of Perinatology 1997; 17(2):119-24.

• Neonatal Nurse Practitioner Lecture Series Georgetown University Hospital Washington, DC Fetal Heart Rate Monitoring Medical Complications in Pregnancy January 1990-March 1997.
• Obstetrical/Gynecological Grand Rounds Franklin Square Hospital Center, Baltimore, MD Use of Fetal Fibronectin in the Management of Patients with Premature Labor. November, 1996 New Directions in Perinatology. March, 2000
• Baltimore Ultrasound Education and Research Structural Fetal Problems-The Total Picture Genetics/Epidemiology of Multiple Gestations. May 1998
• Resident Research Day Union Memorial Hospital, Baltimore, MD Does the Use of Epidural Anesthesia Increase the Cesarean Section Rate? June 1998.
• Obstetrical and Gynecological Ground Rounds Greater Baltimore Medical Center, Baltimore, MD Use of Glyburide as an Alternative to Insulin in the Treatment of Patients with Gestational Diabetes. March 2001.
• Baltimore Ob/Gyn Ethics Conference. Fiduciary Responsibilities of Managed Care Organizations for Reimbursing Ob/Gyn Care Providers. Baltimore, MD, April 2001, 2002. Ethics of Stem Cell Research, April 2003
• Obstetrical and Gynecological Ground Rounds Sinai Hospital of Baltimore, Baltimore, MD Long Term Implications of IUGR, October 2001. York Hospital, York, PA, December 2001. Maryland General Hospital, Baltimore, Maryland, October 2002. St. Agnes Hospital, January 2007.
• Obstetrical and Gynecological Ground Rounds Greater Baltimore Medical Center, Baltimore, MD Diabetes in Obstetrics- from Pre-pregnancy to Adulthood. March 2004.
• Obstetrical and Gynecological Grand Rounds St. Joseph’s Hospital Medical Center, Baltimore, MD Cost Effectiveness of Fetal Fibronectin Testing, April, 2004 Obstetrical and Gynecological Ground Rounds, University of Maryland Medical Systems Grand Rounds, February, 2006
• Use of Video Clip Technology to Identify Fetal Anomalies By Ultrasound, York Hospital, May, 2005. Fetal Assessment using Ultrasound, York Hospital Grand Rounds, December, 2005.
• Elective Cesarean Section. Gettysburg Hospital. October 2006.
• Evaluation of Thoracic Anomalies. The 12th Annual Ob/Gyn Ultrasound Symposium. Hartford, CT. March 2008.
• Surprise FISH- Surprise Karyotype, The Fetal Patient- New Directions. Bethesda, MD, March, 2011.
• Should Aspirin be Incorporated into the Prenatal Vitamins? MWHC Grand Rounds, November 2018.
• Complications of Monochorionic Twins. M WCH NICU CME Lecture Series. February 2020. Grand Rounds. Milton S. Hershey Penn State Ob/Gyn. September 2020.
• How your Pregnancy is a Crystal Ball which Predicts Future Health and Illness, Westmoor Club, Nantucket, MA, August 2021.

Columbia Hospital for Woman Safety Award 1996, American Academy of Family Physicians- Active Teacher in Family Medicine 2000, Save the Stem Cells Award of Recognition 2001, American Red Cross, Certificate of Appreciation 2002, Northern Virginia Magazine Top Doctor 2011, Volunteer of the Year, Gliding Stars Adaptive Skating Program 2018-2020, M WHC “Our Celebrated Physicians” 2020, Maryland Magazine- Top Doctors- Ob Gyn 2021