John C. Peng, D.O., M.P.H.
Psychiatry Physician · Piscataway, NJ
John C. Peng, D.O., M.P.H. is a psychiatry physician with a practice address in Piscataway, New Jersey, and NPI 1831333541, issued on Apr 24, 2009. Check the license (New Jersey 25MB08537300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John C. Peng
- Credential
- D.O., M.P.H.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 25MB08537300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 671 Hoes LN W # C205, Piscataway, NJ 08854
- Phone
- (732) 235-4063
- Enumerated
- Apr 24, 2009
- Record last updated
- Apr 24, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (732) 235-4649
- Medicare enrollment
- Enrolled (PECOS I20090709000447); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,520 in New Jersey → Look up another NPI →
Verify John C. Peng 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 25MB08537300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average psychiatry physician in 2024
327 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Quetiapine Fumarate37 claims
- Paroxetine Hcl29 claims
- Lamotrigine24 claims
- Lithium Carbonate Er24 claims
- Bupropion Xl21 claims
- Olanzapine13 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: $15.36
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
John C. Peng among 1,520 psychiatry physician records in New Jersey
John C. Peng, D.O., M.P.H. is one of 1,520 psychiatry physician records with a practice address in New Jersey. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 67% of them.
- NPI issued2009 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2005 · median 2001 among the 697 with a school on file
- Record last updated2009 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 psychiatry physician records list a practice address in Piscataway
They are 38 of the 1,379 NPPES records with a practice address in Piscataway, and 1,520 psychiatry physician records in New Jersey.
All 1,520 in New Jersey → Every provider in Piscataway → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Peter Aupperle, M.D.Piscataway, NJ 088541033291208
- Stuart Belenker, MDPiscataway, NJ 088541124106463
- Mona Bijlani, MDPiscataway, NJ 088541518054931
- Muhammad Ghani, MDPiscataway, NJ 088541699861443
- Lily Gutterman, MDPiscataway, NJ 088541689752925
- Najeeb Hussain, MDPiscataway, NJ 088541376626093
- Matthew Menza, MDPiscataway, NJ 088541356429633
- Theresa Miskimen, MDPiscataway, NJ 088541669550950
Common questions
What is John C. Peng, D.O., M.P.H.'s NPI number?
John C. Peng, D.O., M.P.H.'s National Provider Identifier (NPI) is 1831333541, issued on Apr 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John C. Peng, D.O., M.P.H. located?
The NPPES record lists a practice address at 671 Hoes LN W # C205, Piscataway, NJ, 08854. Phone: (732) 235-4063. Providers update this record themselves, so call before visiting.
How can I verify John C. Peng, D.O., M.P.H.'s license?
NPPES lists New Jersey license number 25MB08537300, 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 John C. Peng, D.O., M.P.H. prescribe under Medicare Part D?
In 2024, John C. Peng, D.O., M.P.H. had 327 Medicare Part D claims for 23 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.