IndividualActive
Allison Ackerman, MD
NPI 1285894790 · Internal Medicine Physician · Boston, MA
Allison Ackerman, MD is a Internal Medicine Physician provider in Boston, MA (NPI 1285894790).
Provider details
- NPI number
- 1285894790
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- L-236076 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
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.
Practice location
Massachusetts General Hospital
55 Fruit Street
Boston, MA 02114
Phone: (617) 726-2862
Approximate (ZIP-level) locationGet directions
Mailing address
Massachusetts General Hospital
Boston, MA 02114
Registry dates
- Enumerated
- 2008-06-10
- Last updated
- 2008-06-10
Frequently asked questions
- What is Allison Ackerman's NPI number?
- Allison Ackerman's National Provider Identifier (NPI) is 1285894790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Ackerman's specialty?
- Allison Ackerman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Ackerman located?
- Allison Ackerman's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Allison Ackerman's phone number?
- The practice phone number listed in the NPPES registry for Allison Ackerman is (617) 726-2862.
- Is Allison Ackerman's NPI active?
- Yes — Allison Ackerman's NPI (1285894790) is active in the NPPES registry as of the last update on 2008-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.