OB-GYNs in Maryland
Data updated monthly · Last refresh October 2026
1,029 Obstetrics & Gynecology providers practice in Maryland, including 103 (10%) offering telehealth. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
1,029providers
103telehealth
Baltimoretop city
Obstetrics & Gynecology by city in Maryland
Choose a city to see providers there.
Where OB-GYNs in Maryland practice
From CMS Medicare enrollment records covering 520 of the 1,029 providers listed here (51%). Providers who do not bill Medicare are not included in these figures.
8%solo or small practice (under 10 clinicians)
17%mid-size group (10 to 99)
76%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | OB-GYNs | All clinicians in group | Main city |
| Capital Womens Care LLC | 110 | 281 | Frederick |
| Johns Hopkins University | 58 | 2,886 | Baltimore |
| Kaiser Foundation Health Plan of the Mid Atlantic States, Inc. | 47 | 1,921 | Largo |
| Medstar Medical Group II LLC | 30 | 3,726 | Baltimore |
| Privia Medical Group, LLC | 24 | 1,522 | Annapolis |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | OB-GYNs affiliated |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 62 |
| Luminis Health Anne Arundel Medical Center, Inc. | Annapolis | Nonprofit | 3 of 5 | 29 |
| Greater Baltimore Medical Center | Baltimore | Nonprofit | 5 of 5 | 18 |
| Mercy Medical Center Inc. | Baltimore | Nonprofit | 3 of 5 | 17 |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 of 5 | 13 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Obstetrics & Gynecology providers in Maryland
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Eileen Coelus, MDAbingdon, MD · No drug or device payments recorded (2025) ·
(443) 512-8484 Dr. Ayanna James, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 224-1133 Dr. Barbara Tymkiw, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9450 Dr. Benjamin Solomon, M.D.Annapolis, MD · $804 in drug and device payments (2025) ·
(410) 573-9530 Dr. Breanne Bears, MDAnnapolis, MD · $798 in drug and device payments (2025) · Telehealth ·
(410) 573-9530 Dr. Brittany Acree, M.D.Annapolis, MD · $869 in drug and device payments (2025) ·
(410) 573-9530 Dr. Brittany Paivanas, MDAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 571-7300 Dr. Bruce Bolten, MDAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Claudia Hays, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Clifton Mcclain, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 757-7671 Dr. Derek Ballas, D.O.Annapolis, MD · $192 in drug and device payments (2025) ·
(410) 224-1133 Dr. Elizabeth Vienneau, MDAnnapolis, MD · $92 in drug and device payments (2025) ·
(410) 224-2228 Dr. Frederick Guckes, M.D.Annapolis, MD · $597 in drug and device payments (2025) ·
(410) 573-9530 Dr. Hector Gonzalez Garcia, M.DAnnapolis, MD · $13,528 in drug and device payments (2025) · Telehealth ·
(410) 266-8049 Dr. Henry Sobel, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 266-7755 Dr. Jackie Nichols, MD, MPHAnnapolis, MD · $133 in drug and device payments (2025) ·
(410) 224-2228 Dr. James Haddock, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Janelle Cooper, M.D.Annapolis, MD · $708 in drug and device payments (2025) ·
(410) 573-9530 Dr. Janice Bird, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 224-2228 Dr. Jennifer Haase, M.D.Annapolis, MD · $674 in drug and device payments (2025) · Telehealth ·
(410) 573-9530 Dr. Jennifer Lawrence, MDAnnapolis, MD · $87 in drug and device payments (2025) ·
(443) 481-1000 Dr. Jessica Reyes-peterson, MDAnnapolis, MD · $256 in drug and device payments (2025) ·
(443) 481-1091 Dr. Jessica Russell, M.D.Annapolis, MD · $611 in drug and device payments (2025) ·
(410) 571-9700 Dr. Jessica Ton, MDAnnapolis, MD · $175 in drug and device payments (2025) · Telehealth ·
(443) 481-3493 Dr. John Keats, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1750 Dr. Joseph Moser, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1309 Dr. Joy'el Ballard, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Justine Somoza, M.D.Annapolis, MD · $677 in drug and device payments (2025) ·
(410) 571-9700 Dr. Katherine Kratz, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Kristen Linnell, PHYSICIAN ASSISTANTAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 266-7755 Dr. Kristin SinningAnnapolis, MD · $38 in drug and device payments (2025) ·
(443) 887-3880 Dr. Laura Merkel, M.D.Annapolis, MD · $1,022 in drug and device payments (2025) ·
(410) 573-9530 Dr. Lauren Knightly, MDAnnapolis, MD · $520 in drug and device payments (2025) ·
(410) 571-9700 Dr. Lori Sweitzer, D.O.Annapolis, MD · $77 in drug and device payments (2025) · Telehealth ·
(410) 266-7755 Dr. Marcus Penn, M.D.Annapolis, MD · $768 in drug and device payments (2025) ·
(410) 571-9700 Dr. Mark Repka, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Mary Smith, MDAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Melinda Afzal, DOAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1199 Dr. Miriam Yudkoff, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 224-2228 Dr. M Kathryn Buchanan, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Monica Jones, M.D.Annapolis, MD · $196 in drug and device payments (2025) ·
(443) 481-3493 Dr. Nisha Raikar, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Paula Radon, MDAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 224-1133 Dr. Richard Welch, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(410) 573-9530 Dr. Sarah Freeman, D.OAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Stella Blosser, MD, MPHAnnapolis, MD · No drug or device payments recorded (2025) ·
(410) 897-0501 Dr. Suleika Michel, M.D.Annapolis, MD · No drug or device payments recorded (2025) ·
(443) 837-1221 Dr. Tara CarellaAnnapolis, MD · $310 in drug and device payments (2025) ·
(410) 573-9530 Dr. Victoria Moore, M.D.Annapolis, MD · $882 in drug and device payments (2025) ·
(410) 573-9530 Dr. Melissa Moen, M.D.Arnold, MD · No drug or device payments recorded (2025) ·
(410) 693-9183 Conditions Obstetrics & Gynecology providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Obstetrics & Gynecology providers. Individual practices vary, so confirm with the provider before booking.
- Pregnancy care
- Endometriosis
- Fibroids
- PCOS
- Menopause
- Contraception
Common questions
How many Obstetrics & Gynecology providers are in Maryland?There are 1,029 Obstetrics & Gynecology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Obstetrics & Gynecology providers in Maryland offer telehealth?Yes. 103 of the 1,029 Obstetrics & Gynecology providers in Maryland (about 10%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Obstetrics & Gynecology providers?Baltimore (288), Silver Spring (65), Bethesda (64) have the highest concentration of Obstetrics & Gynecology providers in Maryland.
How many Obstetrics & Gynecology providers in Maryland received drug or device company payments?463 of 1,029 Obstetrics & Gynecology providers in Maryland (45%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Obstetrics & Gynecology providers in Maryland treat?Obstetrics & Gynecology providers commonly treat pregnancy care, endometriosis, fibroids, PCOS, menopause and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most OB-GYNs in Maryland work in independent practices or large health systems?Among 520 OB-GYNs in Maryland enrolled in Medicare, 8% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do OB-GYNs in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most OB-GYNs hold privileges are Johns Hopkins Hospital, the in Baltimore; Luminis Health Anne Arundel Medical Center, Inc. in Annapolis; Greater Baltimore Medical Center in Baltimore.
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