NPPES file of Aug 9, 2026

Jonathan W. Sommerville, MD

Obstetrics & Gynecology Physician · Havre De Grace, MD

Jonathan W. Sommerville, MD is an obstetrics & gynecology physician with a practice address in Havre De Grace, Maryland, and NPI 1841273521, issued on Nov 27, 2005. Check the license (Maryland D0061484, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841273521
Name
Jonathan W. Sommerville
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
D0061484 MD
Self-reported in NPPES; status is on the state search
Practice location
308 N. Union Avenue, Havre De Grace, MD 21078
Phone
(410) 939-3121
Enumerated
Nov 27, 2005
Record last updated
May 12, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(410) 939-8278
Medicare enrollment
Enrolled (PECOS I20050907001099); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jonathan W. Sommerville in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0061484
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

38 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Jonathan Sommerville38
  2. Specialty average165

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $330.05

12 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Sommerville$330.05
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Susquehanna OB-Gyn PABel Air, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jonathan W. Sommerville among 1,034 obstetrics & gynecology physician records in Maryland

Jonathan W. Sommerville, MD is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1991 · median 2005 among the 597 with a school on file
  • Record last updated2011 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Maryland

There are 1,034 obstetrics & gynecology physician records in Maryland.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Linda BarakatHavre De Grace, MD 210781831481191
  2. Jon Bellantoni, M.D.Havre De Grace, MD 210781639161169
  3. Pablo Argeles, M.D.Hanover, MD 210761902864937
  4. Steven AdashekLutherville, MD 210931912072232
  5. Karin Blakemore, M.D.Lutherville, MD 210931326004003
  6. Victoria Dowling, MDLutherville, MD 210931619038809
  7. Jairo Garcia, M.D.Lutherville, MD 210931861430688
  8. Jeremy King, M.D.Lutherville, MD 210931013982529

Common questions

What is Jonathan W. Sommerville, MD's NPI number?

Jonathan W. Sommerville, MD's National Provider Identifier (NPI) is 1841273521, issued on Nov 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan W. Sommerville, MD located?

The NPPES record lists a practice address at 308 N. Union Avenue, Havre De Grace, MD, 21078. Phone: (410) 939-3121. Providers update this record themselves, so call before visiting.

How can I verify Jonathan W. Sommerville, MD's license?

NPPES lists Maryland license number D0061484, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan W. Sommerville, MD prescribe under Medicare Part D?

In 2024, Jonathan W. Sommerville, MD had 38 Medicare Part D claims for 16 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.