Mary Katherine Powderly, MD, FACOG, AAAAM
Gynecology Physician · Somerset, NJ
Mary Katherine Powderly, MD, FACOG, AAAAM is a gynecology physician with a practice address in Somerset, New Jersey, and NPI 1871675322, issued on Oct 20, 2006. Check the license (New Jersey 25MA04685500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Powderly
- Credential
- MD, FACOG, AAAAM
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- 25MA04685500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 32 Worlds Fair Dr Ste 201, Somerset, NJ 08873
- Phone
- (732) 356-1266
- Enumerated
- Oct 20, 2006
- Record last updated
- Feb 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (732) 356-1196
- Medicare enrollment
- Enrolled (PECOS I20040129000641); may accept Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1984
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 140 in New Jersey → Look up another NPI →
Verify Mary Katherine Powderly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA04685500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average gynecology physician in 2024
1,226 Medicare Part D claims for 142 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Estradiol160 claims
- Progesterone144 claims
- Levothyroxine Sodium122 claims
- Metformin Hcl76 claims
- Liothyronine Sodium73 claims
- Estradiol (Twice Weekly)64 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.
Mary Katherine Powderly among 140 gynecology physician records in New Jersey
Mary Katherine Powderly, MD, FACOG, AAAAM is one of 140 gynecology physician records with a practice address in New Jersey. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 33% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated1984 · median 1992 among the 52 with a school on file
- Record last updated2019 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in New Jersey
There are 140 gynecology physician records in New Jersey.
All 140 in New Jersey → Every provider in Somerset → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Joseph Alvaro, MDSomerset, NJ 088731548290885
- Elaine Huber, MDRaritan, NJ 088691225052624
- Brad Cohen, MDOld Bridge, NJ 088571871698951
- Maria Del Pilar Duran Velasco, MDNew Brunswick, NJ 089011699394882
- Michael Kicenuik, MDNew Brunswick, NJ 089011487652988
- Thomas Magliaro, MDNew Brunswick, NJ 089011235287657
- Jessica Opoku-Anane, MDNew Brunswick, NJ 089011295977197
- Nancy Phillips, MDNew Brunswick, NJ 089011326166307
Common questions
What is Mary Katherine Powderly, MD, FACOG, AAAAM's NPI number?
Mary Katherine Powderly, MD, FACOG, AAAAM's National Provider Identifier (NPI) is 1871675322, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Powderly, MD, FACOG, AAAAM located?
The NPPES record lists a practice address at 32 Worlds Fair Dr Ste 201, Somerset, NJ, 08873. Phone: (732) 356-1266. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Powderly, MD, FACOG, AAAAM's license?
NPPES lists New Jersey license number 25MA04685500, as entered by the provider. 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 Katherine Powderly, MD, FACOG, AAAAM prescribe under Medicare Part D?
In 2024, Mary Katherine Powderly, MD, FACOG, AAAAM had 1,226 Medicare Part D claims for 142 beneficiaries; the average among gynecology physician prescribers was 299. 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.