William Nicholas Fenney, MD
Internal Medicine Physician · Hyannis, MA
William Nicholas Fenney, MD is an internal medicine physician with a practice address in Hyannis, Massachusetts, and NPI 1366454696, issued on Aug 13, 2006. Check the license (Massachusetts MA51180, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Nicholas Fenney
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA51180 MA
Self-reported in NPPES; status is on the state search - Practice location
- 35 Cedar St, Hyannis, MA 02601
- Phone
- (508) 778-6363
- Enumerated
- Aug 13, 2006
- Record last updated
- Sep 25, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 778-6677
- Medicare enrollment
- Enrolled (PECOS I20050325000691); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1979
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 35 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Banas, FNPNurse Practitioner1326060138
- Judith Jollett, NPAdult Health Nurse Practitioner1346228210
- Cindy Mesmer, FNPFamily Nurse Practitioner1326478728
- Linda Shelburne, NPNurse Practitioner1346277167
Verify William Nicholas Fenney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license MA51180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average internal medicine physician in 2024
4,352 Medicare Part D claims for 277 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 77 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium242 claims
- Lisinopril187 claims
- Atorvastatin Calcium186 claims
- Levothyroxine Sodium164 claims
- Pantoprazole Sodium152 claims
- Prednisone130 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.
The MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,181.07
10 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
William Nicholas Fenney among 6,825 internal medicine physician records in Massachusetts
William Nicholas Fenney, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1979 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 internal medicine physician records list a practice address in Hyannis
They are 51 of the 1,457 NPPES records with a practice address in Hyannis, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Hyannis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Grover Baxley, MDHyannis, MA 026011912961707
- Conrad Benoit, D.O.Hyannis, MA 026011629059985
- Paul Bizinkauskas, M.D.Hyannis, MA 026011578521415
- James Chingos, MDHyannis, MA 026011508826421
- Arthur Crago, MDHyannis, MA 026011851340475
- Abraham Dietz, MDHyannis, MA 026011518917186
- Andrew Flewwelling, MDHyannis, MA 026011396717468
- Patricia Hammel, MDHyannis, MA 026011467403543
Common questions
What is William Nicholas Fenney, MD's NPI number?
William Nicholas Fenney, MD's National Provider Identifier (NPI) is 1366454696, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Nicholas Fenney, MD located?
The NPPES record lists a practice address at 35 Cedar St, Hyannis, MA, 02601. Phone: (508) 778-6363. Providers update this record themselves, so call before visiting.
How can I verify William Nicholas Fenney, MD's license?
NPPES lists Massachusetts license number MA51180, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Nicholas Fenney, MD prescribe under Medicare Part D?
In 2024, William Nicholas Fenney, MD had 4,352 Medicare Part D claims for 277 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Nicholas Fenney, MD's MIPS final score?
The 2023 MIPS final score is 81.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.