Mary R. Shoemaker, M.D.
Internal Medicine Physician · Canton, MA
Mary R. Shoemaker, M.D. is an internal medicine physician with a practice address in Canton, Massachusetts, and NPI 1912121476, issued on Apr 13, 2007. Check the license (Massachusetts 221409, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary R. Shoemaker
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 221409 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4 Washington St Ste A, Canton, MA 02021
- Phone
- (781) 784-9212
- Enumerated
- Apr 13, 2007
- Record last updated
- Jan 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20150804003804); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Mary R. Shoemaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 221409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average internal medicine physician in 2024
3,298 Medicare Part D claims for 352 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Amlodipine Besylate244 claims
- Atorvastatin Calcium216 claims
- Omeprazole152 claims
- Lisinopril148 claims
- Hydrochlorothiazide141 claims
- Rosuvastatin Calcium132 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 2 group practices
- Brigham And Womens Physicians Organization IncFoxborough, MA
- Medical Care OF Boston Management CorporationSharon, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary R. Shoemaker among 6,825 internal medicine physician records in Massachusetts
Mary R. Shoemaker, M.D. 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2026 · 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).
8 internal medicine physician records list a practice address in Canton
They are 8 of the 493 NPPES records with a practice address in Canton, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Canton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Baratz, MDCanton, MA 020211205828399
- Katherine Domoto, M.D.Canton, MA 020211588602809
- Navya Kirla, MDCanton, MA 020211285252072
- Zinaida Levin, MDCanton, MA 020211174591895
- Paul Mendis, MDCanton, MA 020211508074808
- Jennifer Parent, MDCanton, MA 020211124085550
- Anne Timmerman, MDCanton, MA 020211881610970
- Kim Ariyabuddhiphongs, M.D.Bellingham, MA 020191114950821
Common questions
What is Mary R. Shoemaker, M.D.'s NPI number?
Mary R. Shoemaker, M.D.'s National Provider Identifier (NPI) is 1912121476, issued on Apr 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary R. Shoemaker, M.D. located?
The NPPES record lists a practice address at 4 Washington St Ste A, Canton, MA, 02021. Phone: (781) 784-9212. Providers update this record themselves, so call before visiting.
How can I verify Mary R. Shoemaker, M.D.'s license?
NPPES lists Massachusetts license number 221409, 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 Mary R. Shoemaker, M.D. prescribe under Medicare Part D?
In 2024, Mary R. Shoemaker, M.D. had 3,298 Medicare Part D claims for 352 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.