Richard L. Zeff, M.D.
Specialist · Stratham, NH
Richard L. Zeff, M.D. is a specialist with a practice address in Stratham, New Hampshire, and NPI 1356464002, issued on Apr 9, 2007. Check the license (New Hampshire 7375, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard L. Zeff
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 7375 NH
Self-reported in NPPES; status is on the state search - Practice location
- 137 Portsmouth Ave, Stratham, NH 03885
- Phone
- (603) 775-7444
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (603) 775-7447
- Entity
- Type 1 · individual
Also registered at 137 Portsmouth Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Proulx, RPA-CPhysician Assistant1750462669
- Anthony Wilson, MDPlastic Surgery Physician1659699908
Verify Richard L. Zeff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 7375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average specialist in 2024
14 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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: $17.72
1 payment: food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Specialist providers in New Hampshire
There are 1,010 specialist records in New Hampshire.
Other specialist records in New Hampshire
- Annaliese Aarthun, BAManchester, NH1073136016
- David Abels, M.D.Manchester, NH1720035199
- Marisol Acevedo Ortiz MurilloManchester, NH1235001488
- Debra Acres, BSManchester, NH1578849121
- Alexandra Adams, BSManchester, NH1568988020
- Ann AdamsKeene, NH1205958808
- Camryn AdamsKeene, NH1649968066
- Colleen AdamsKeene, NH1477988996
- Kiernan AdamsManchester, NH1487341475
- Linda AdamsKeene, NH1750403366
Common questions
What is Richard L. Zeff, M.D.'s NPI number?
Richard L. Zeff, M.D.'s National Provider Identifier (NPI) is 1356464002, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard L. Zeff, M.D. located?
The NPPES record lists a practice address at 137 Portsmouth Ave, Stratham, NH, 03885. Phone: (603) 775-7444. Providers update this record themselves, so call before visiting.
How can I verify Richard L. Zeff, M.D.'s license?
NPPES lists New Hampshire license number 7375, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Richard L. Zeff, M.D. prescribe under Medicare Part D?
In 2024, Richard L. Zeff, M.D. had 14 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.