Mary Williamson, MD
Obstetrics & Gynecology Physician · Bordentown, NJ
Mary Williamson, MD is an obstetrics & gynecology physician with a practice address in Bordentown, New Jersey, and NPI 1770102014, issued on Apr 15, 2020. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Williamson
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- Practice location
- 100 K Johnson Blvd Ste 102, Bordentown, NJ 08505
- Phone
- (609) 537-7200
- Enumerated
- Apr 15, 2020
- Entity
- Type 1 · individual
Also registered at 100 K Johnson Blvd Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Hagan, CNMMidwife1043711120
- Ashley Harvard, MDObstetrics & Gynecology Physician1417574419
Verify Mary Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
33 Medicare Part D claims for 15 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
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: $13.35
1 payment, mostly food and beverage; the largest payer was Medline Industries LP. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Capital Health Medical GroupLawrenceville, NJ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
4 obstetrics & gynecology physician records list a Bordentown practice address
They are 4 of the 268 NPPES records with a Bordentown practice address, and 1,345 obstetrics & gynecology physician records in New Jersey.
All 4 in Bordentown → All 1,345 in New Jersey → Every provider in Bordentown →
Other obstetrics & gynecology physician records in New Jersey
- Pegah Aalami-HarandiPaterson, NJ1740654441
- Aileen Abankwa, MDVineland, NJ1457840365
- Tara Abella, M.D.Livingston, NJ1104051242
- Manisha Abeysinghe, MDFlemington, NJ1306807045
- Nazima Abrarova, M.D.Plainfield, NJ1487850319
- Rashmi Acharya, MDNorth Brunswick, NJ1871538405
- Melissa Ackerman, MDPrinceton, NJ1093877466
- Susanne Adamson, M.D.Voorhees, NJ1679646012
- Theresa Adeliyi, MD, MPHVoorhees, NJ1528358710
- Lawrence Adelsohn, M.D.Hackensack, NJ1619944923
Common questions
What is Mary Williamson, MD's NPI number?
Mary Williamson, MD's National Provider Identifier (NPI) is 1770102014, issued on Apr 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Williamson, MD located?
The NPPES record lists a practice address at 100 K Johnson Blvd Ste 102, Bordentown, NJ, 08505. Phone: (609) 537-7200. Providers update this record themselves, so call before visiting.
How can I verify Mary Williamson, MD's license?
Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Williamson, MD prescribe under Medicare Part D?
In 2024, Mary Williamson, MD had 33 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.