Pieter Jan Ketelaar, M.D.
Gynecology Physician · Brick, NJ
Pieter Jan Ketelaar, M.D. is a gynecology physician with a practice address in Brick, New Jersey, and NPI 1659350189, issued on Jan 12, 2006. Check the license (New Jersey 25MA02713800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Pieter Jan Ketelaar
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- 25MA02713800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1608 Highway 88, Brick, NJ 08724
- Phone
- (732) 458-7878
- Enumerated
- Jan 12, 2006
- Record last updated
- Oct 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (732) 840-6378
- Medicaid ID
- 1815601 NJ
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 140 in New Jersey → Look up another NPI →
Also registered at 1608 Highway 88
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theresa Benecki, M.D.Gynecology Physician1003895418
Verify Pieter Jan Ketelaar 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 25MA02713800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average gynecology physician in 2024
37 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Olmesartan Medoxomil12 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.
Pieter Jan Ketelaar among 140 gynecology physician records in New Jersey
Pieter Jan Ketelaar, M.D. 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 fileNo · 37% of these records are
- Record last updated2010 · 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 Brick → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Theresa Benecki, M.D.Brick, NJ 087241003895418
- Niles Choper, M.D.Lakewood, NJ 087011083609069
- Frank Cocco, MDLakewood, NJ 087011982629622
- Sathya Ramachandran, MDLakewood, NJ 087011801055439
- John Pelligra, M.D.Sea Girt, NJ 087501023057726
- Robert Pesso, MD FACOGToms River, NJ 087551730155953
- Carmen Romano, M.D.Lawrenceville, NJ 086481841303799
- Gene Whang, M.D.Clinton, NJ 088091235269234
Common questions
What is Pieter Jan Ketelaar, M.D.'s NPI number?
Pieter Jan Ketelaar, M.D.'s National Provider Identifier (NPI) is 1659350189, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Pieter Jan Ketelaar, M.D. located?
The NPPES record lists a practice address at 1608 Highway 88, Brick, NJ, 08724. Phone: (732) 458-7878. Providers update this record themselves, so call before visiting.
How can I verify Pieter Jan Ketelaar, M.D.'s license?
NPPES lists New Jersey license number 25MA02713800, 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 Pieter Jan Ketelaar, M.D. prescribe under Medicare Part D?
In 2024, Pieter Jan Ketelaar, M.D. had 37 Medicare Part D claims; 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.