William David Fyfe, MD
Emergency Medicine Physician · Boston, MA
William David Fyfe, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1124523949, issued on Mar 25, 2018. Check the license (Massachusetts 286399, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- William David Fyfe
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 286399 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Deaconess RD, Boston, MA 02215
- Phone
- (617) 754-2339
- Enumerated
- Mar 25, 2018
- Record last updated
- Jul 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 754-2350
- Medicare enrollment
- Enrolled (PECOS I20210730000147); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 Deaconess RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Abate, N.P.Family Nurse Practitioner1235414970
- Austin AdamsEmergency Medicine Physician1861139388
- Faisal AlfadhelNeuroradiology Physician1326692419
- Bree Alyeska, M.D.Emergency Medicine Physician1437597127
- Amanda Anastasi, M.D.Anesthesiology Physician1801820550
- Philip Anderson, M.D.Emergency Medicine Physician1477540235
Verify William David Fyfe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 286399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average emergency medicine physician in 2024
325 Medicare Part D claims for 224 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 40 claims were for opioids.
Most prescribed
- Prednisone40 claims
- Oxycodone Hcl36 claims
- Cefuroxime32 claims
- Doxycycline Hyclate31 claims
- Ondansetron Odt28 claims
- Azithromycin15 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 practice group's MIPS final score for 2023 (Medicare payment program): 97.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Emergency Physicians OF FalmouthFalmouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William David Fyfe among 1,829 emergency medicine physician records in Massachusetts
William David Fyfe, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 80% of them.
- NPI issued2018 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2011 among the 1,200 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Philip Anderson, M.D.Boston, MA 022151477540235
- Susan Bartels, MDBoston, MA 022151801852561
- Wende Buras, M.D.Boston, MA 022151376500587
- Jonathan Burstein, M.D.Boston, MA 022151740227461
- Jonathan Edlow, M.D.Boston, MA 022151962449165
- Jonathan Fisher, M.D.Boston, MA 022151437199973
- Michael Ganetsky, M.D.Boston, MA 022151053394288
- Sean Kelly, M.D.Boston, MA 022151265479927
Common questions
What is William David Fyfe, MD's NPI number?
William David Fyfe, MD's National Provider Identifier (NPI) is 1124523949, issued on Mar 25, 2018. An NPI identifies a provider in billing; it is not a license.
Where is William David Fyfe, MD located?
The NPPES record lists a practice address at 1 Deaconess RD, Boston, MA, 02215. Phone: (617) 754-2339. Providers update this record themselves, so call before visiting.
How can I verify William David Fyfe, MD's license?
NPPES lists Massachusetts license number 286399, 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 David Fyfe, MD prescribe under Medicare Part D?
In 2024, William David Fyfe, MD had 325 Medicare Part D claims for 224 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William David Fyfe, MD's MIPS final score?
The 2023 MIPS final score is 97.4 of 100, reported for the practice group. 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.