Janet Widerspan, M.D.
Family Medicine Physician · Massapequa Park, NY
Janet Widerspan, M.D. is a family medicine physician with a practice address in Massapequa Park, New York, and NPI 1659698199, issued on Apr 23, 2010. Check the license (New York 209672, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Janet Widerspan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 209672 NY
A64617 CA
K3658 TX
Self-reported in NPPES; status is on the state search - Practice location
- 50 Larch LN, Massapequa Park, NY 11762
- Phone
- (516) 804-4899
- Enumerated
- Apr 23, 2010
- Record last updated
- Apr 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Verify Janet Widerspan 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 209672Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Janet Widerspan among 6,417 family medicine physician records in New York
Janet Widerspan, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.
- NPI issued2010 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in New York
There are 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Massapequa Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Martin Diamond, D.O.Massapequa Pk, NY 117621972874873
- Heather Ogando, D.O.Massapequa Park, NY 117621023371424
- Kami Barry, D.O.Medford, NY 117631114936317
- Michael Ryder, D.O.Medford, NY 117631659598589
- Mark Koenig, D.O.Miller Place, NY 117641831252964
- Joseph Venezia, MDMiller Place, NY 117641114092061
- Mark Wasserman, MDMiller Place, NY 117641033176805
- James Atkinson, DOMassapequa, NY 117581154493294
Common questions
What is Janet Widerspan, M.D.'s NPI number?
Janet Widerspan, M.D.'s National Provider Identifier (NPI) is 1659698199, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Janet Widerspan, M.D. located?
The NPPES record lists a practice address at 50 Larch LN, Massapequa Park, NY, 11762. Phone: (516) 804-4899. Providers update this record themselves, so call before visiting.
How can I verify Janet Widerspan, M.D.'s license?
NPPES lists New York license number 209672, 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 Janet Widerspan, M.D. prescribe under Medicare Part D?
In 2024, Janet Widerspan, M.D. had 14 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.