Theodore C. Weatherwax, MD
Addiction Medicine (Family Medicine) Physician · Boston, MA
Theodore C. Weatherwax, MD is an addiction medicine (family medicine) physician with a practice address in Boston, Massachusetts, and NPI 1144882879, issued on Jul 2, 2019. Check the license (Massachusetts 291350, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Theodore C. Weatherwax
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License numbers
- 291350 MA
MDRE.ML.60958797 WA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-3557
- Enumerated
- Jul 2, 2019
- Record last updated
- Nov 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20251022000172); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 18 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Theodore C. Weatherwax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 291350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
79 Medicare Part D claims for 28 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa11 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.
Bills Medicare through 4 group practices
- Dhhs Ihs Phoenix AreaPolacca, AZ
- Massachusetts General Physicians Organization IncBoston, MA
- Rosebud Indian Health ServiceRosebud, SD
- Sunnyside Emergency Group A Professional LLCSunnyside, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theodore C. Weatherwax among 18 addiction medicine (family medicine) physician records in Massachusetts
Theodore C. Weatherwax, MD is one of 18 addiction medicine (family medicine) physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 1998 among the 10 with a school on file
- Record last updated2022 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in Massachusetts
There are 18 addiction medicine (family medicine) physician records in Massachusetts.
All 18 in Massachusetts → Every provider in Boston → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Awah-Lem Atanga McCormick, MDBoston, MA 021151699395004
- David Gunther, M.D.Boston, MA 021181467426536
- Heidi Ginter, M.D.Stoughton, MA 020721659356574
- Robynne BrownQuincy, MA 021691578062758
- Norma Lopez, DOLynnfield, MA 019401083728554
- Amy Pearsall, M.D.Brookline, MA 024461043365927
- Jennifer Bradford, M.D.Worcester, MA 016551619292976
- Kenneth Boyd, M.D.Hyannis, MA 026011952363707
Common questions
What is Theodore C. Weatherwax, MD's NPI number?
Theodore C. Weatherwax, MD's National Provider Identifier (NPI) is 1144882879, issued on Jul 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Theodore C. Weatherwax, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-3557. Providers update this record themselves, so call before visiting.
How can I verify Theodore C. Weatherwax, MD's license?
NPPES lists Massachusetts license number 291350, 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 Theodore C. Weatherwax, MD prescribe under Medicare Part D?
In 2024, Theodore C. Weatherwax, MD had 79 Medicare Part D claims for 28 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.