Mary Shoemaker, M.D.
NPI 1912121476 · Internal Medicine Physician · Canton, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Shoemaker, M.D. is a Internal Medicine Physician provider in Canton, MA (NPI 1912121476).
Provider details
- NPI number
- 1912121476
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 221409 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
845 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 380 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 145 | $141 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 113 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $98 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 37 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 244 | 74 |
| Atorvastatin Calcium | 216 | 72 |
| Omeprazole | 152 | 48 |
| Lisinopril | 148 | 48 |
| Hydrochlorothiazide | 141 | 46 |
| Rosuvastatin Calcium | 132 | 43 |
| Losartan Potassium | 115 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Mary Shoemaker's NPI number?
- Mary Shoemaker's National Provider Identifier (NPI) is 1912121476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Shoemaker's specialty?
- Mary Shoemaker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Shoemaker located?
- Mary Shoemaker's practice location on file with NPPES is 4 Washington St Ste a, Canton, MA 02021-4004.
- What is Mary Shoemaker's phone number?
- The practice phone number listed in the NPPES registry for Mary Shoemaker is (781) 784-9212.
- Does Mary Shoemaker accept Medicare?
- Mary Shoemaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Shoemaker's NPI active?
- Yes — Mary Shoemaker's NPI (1912121476) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.