Steward Medical Group, Inc
NPI 1255600300 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steward Medical Group, Inc is a Internal Medicine Physician organization in Boston, MA (NPI 1255600300).
Provider details
- NPI number
- 1255600300
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Steward Healthcare System LLC
- Organization subpart
- Yes
- Authorized official
- Michael Callum, Ceo(617) 419-4702
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Smg Compass
- Other name
- Smg Compass
Registry dates
- Enumerated
- 2011-12-19
- Last updated
- 2020-08-13
- Certified
- 2020-08-13
Frequently asked questions
- What is Steward Medical Group, Inc's NPI number?
- Steward Medical Group, Inc's National Provider Identifier (NPI) is 1255600300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Steward Medical Group, Inc?
- Steward Medical Group, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steward Medical Group, Inc located?
- Steward Medical Group, Inc's practice location on file with NPPES is 500 Boylston St, Boston, MA 02116-3740.
- What is Steward Medical Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Steward Medical Group, Inc is (615) 467-4158.
- Does Steward Medical Group, Inc accept Medicare?
- Steward Medical Group, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Steward Medical Group, Inc?
- The authorized official listed on Steward Medical Group, Inc's NPPES record is Michael Callum, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Steward Medical Group, Inc's NPI active?
- Yes — Steward Medical Group, Inc's NPI (1255600300) is active in the NPPES registry as of the last update on 2020-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.