Miriam Harris, MD, MSC
NPI 1497239677 · Addiction Medicine (Internal Medicine) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miriam Harris, MD, MSC is a Addiction Medicine (Internal Medicine) Physician provider in Boston, MA (NPI 1497239677).
Provider details
- NPI number
- 1497239677
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MSC
- Sex
- Female
- Sole proprietor
- No
- License
- 277042 (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 tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
106 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 92 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $181 |
Typical Medicare-allowed amounts for these services range $82–$181 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 45 Willard AveProvidence, RI 02905-3291Phone: (401) 537-7553Fax: (401) 537-7553
Registry dates
- Enumerated
- 2018-09-24
- Last updated
- 2025-05-01
- Certified
- 2025-05-01
Frequently asked questions
- What is Miriam Harris's NPI number?
- Miriam Harris's National Provider Identifier (NPI) is 1497239677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Harris's specialty?
- Miriam Harris is listed in the NPPES registry with a primary specialty of Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Miriam Harris located?
- Miriam Harris's practice location on file with NPPES is 801 Massachusetts Ave, Boston, MA 02118-2605.
- What is Miriam Harris's phone number?
- The practice phone number listed in the NPPES registry for Miriam Harris is (617) 414-6625.
- Does Miriam Harris accept Medicare?
- Miriam Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miriam Harris's NPI active?
- Yes — Miriam Harris's NPI (1497239677) is active in the NPPES registry as of the last update on 2025-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.