Mary Butterfield, D.O.
NPI 1962690800 · Geriatric Medicine (Internal Medicine) Physician · Brockton, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Butterfield, D.O. is a Geriatric Medicine (Internal Medicine) Physician provider in Brockton, MA (NPI 1962690800).
Provider details
- NPI number
- 1962690800
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 233618 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 40 | 18 |
| Rosuvastatin Calcium | 30 | 17 |
| Atorvastatin Calcium | 29 | 18 |
| Amlodipine Besylate | 26 | 17 |
| Lisinopril | 24 | 15 |
| Levothyroxine Sodium | 22 | 13 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-04
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Mary Butterfield's NPI number?
- Mary Butterfield's National Provider Identifier (NPI) is 1962690800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Butterfield's specialty?
- Mary Butterfield is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Butterfield located?
- Mary Butterfield's practice location on file with NPPES is 940 Belmont St, Brockton, MA 02301-5596.
- What is Mary Butterfield's phone number?
- The practice phone number listed in the NPPES registry for Mary Butterfield is (774) 826-2844.
- Does Mary Butterfield accept Medicare?
- Mary Butterfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Butterfield's NPI active?
- Yes — Mary Butterfield's NPI (1962690800) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.