Duane Fredericks, M.D.
Obesity Medicine (Family Medicine) Physician · New York, NY
Duane Fredericks, M.D. is an obesity medicine (family medicine) physician with a practice address in New York, New York, and NPI 1184618886, issued on Sep 8, 2005. Check the license (New York P40643, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Duane Fredericks
- Credential
- M.D.
- Primary taxonomy
- Obesity Medicine (Family Medicine) Physician 207QB0002X
- License numbers
- P40643 NY
25MA08928300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 530 1St Ave, New York, NY 10016
- Phone
- (212) 263-3166
- Enumerated
- Sep 8, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
4 nearest obesity medicine (family medicine) physician records → All 5 in New York → Look up another NPI →
Also registered at 530 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Duane Fredericks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license P40643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average obesity medicine (family medicine) physician in 2024
21 Medicare Part D claims, against an average of 1,031 among the 109 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Mounjaro15 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: $17.71
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 67 providers of this specialty with any payment received $5,056.33 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.
Obesity Medicine (Family Medicine) Physician providers in New York
There are 5 obesity medicine (family medicine) physician records in New York.
All 5 in New York → Every provider in New York → Obesity Medicine (Family Medicine) Physician nationwide →
The 4 obesity medicine (family medicine) physician records with the nearest ZIP codes
- Nanna Oseitutu-Ebanks, M.D.Rockville Centre, NY 115701477942597
- Charles Vaccariello, MDCommack, NY 117251932275963
- Terry Vuong, D.OSyosset, NY 117911700317195
- Jessica Witte, MDOlean, NY 147601013576545
Common questions
What is Duane Fredericks, M.D.'s NPI number?
Duane Fredericks, M.D.'s National Provider Identifier (NPI) is 1184618886, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Duane Fredericks, M.D. located?
The NPPES record lists a practice address at 530 1St Ave, New York, NY, 10016. Phone: (212) 263-3166. Providers update this record themselves, so call before visiting.
How can I verify Duane Fredericks, M.D.'s license?
NPPES lists New York license number P40643, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Duane Fredericks, M.D. prescribe under Medicare Part D?
In 2024, Duane Fredericks, M.D. had 21 Medicare Part D claims; the average among obesity medicine (family medicine) physician prescribers was 1,031. 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.