Marc A. Winiecki, DO
Family Medicine Physician · Jaffrey, NH
Marc A. Winiecki, DO is a family medicine physician with a practice address in Jaffrey, New Hampshire, and NPI 1205940533, issued on Aug 17, 2006. Check the license (New Hampshire 14578, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Marc A. Winiecki
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 14578 NH
Self-reported in NPPES; status is on the state search - Practice location
- 82 Peterborough St, Jaffrey, NH 03452
- Phone
- (603) 532-8775
- Enumerated
- Aug 17, 2006
- Record last updated
- May 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (603) 532-7482
- Medicaid ID
- 30227627 NH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 82 Peterborough St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maeve Bennett, NPFamily Nurse Practitioner1114204278
- Peter Cohen, DOInternal Medicine Physician1982771671
- Cheryl Evans, APRNFamily Nurse Practitioner1184144495
- Stephen Klonel, DOFamily Medicine Physician1467424846
- James Potter, MDFamily Medicine Physician1265485056
- Lisa Ramey, MDFamily Medicine Physician1285713321
Verify Marc A. Winiecki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 14578Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average family medicine physician in 2024
2,698 Medicare Part D claims for 357 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium235 claims
- Amlodipine Besylate163 claims
- Lisinopril149 claims
- Metoprolol Succinate145 claims
- Losartan Potassium140 claims
- Levothyroxine Sodium94 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.
Marc A. Winiecki among 816 family medicine physician records in New Hampshire
Marc A. Winiecki, DO is one of 816 family medicine physician records with a practice address in New Hampshire. 74% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2011 · 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 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Jaffrey
They are 4 of the 66 NPPES records with a practice address in Jaffrey, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Jaffrey → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Klonel, DOJaffrey, NH 034521467424846
- James Potter, MDJaffrey, NH 034521265485056
- Lisa Ramey, MDJaffrey, NH 034521285713321
- George Idelkope, MDHinsdale, NH 034511003838210
- John Martin, D.O.Nelson, NH 034571114052008
- Derek Anderson, MDPeterborough, NH 034581255491635
- Stephen Buzzell, MDPeterborough, NH 034581912075706
- Jennifer Civitella, MDPeterborough, NH 034581225012586
Common questions
What is Marc A. Winiecki, DO's NPI number?
Marc A. Winiecki, DO's National Provider Identifier (NPI) is 1205940533, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc A. Winiecki, DO located?
The NPPES record lists a practice address at 82 Peterborough St, Jaffrey, NH, 03452. Phone: (603) 532-8775. Providers update this record themselves, so call before visiting.
How can I verify Marc A. Winiecki, DO's license?
NPPES lists New Hampshire license number 14578, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc A. Winiecki, DO prescribe under Medicare Part D?
In 2024, Marc A. Winiecki, DO had 2,698 Medicare Part D claims for 357 beneficiaries; 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.