OrganizationActive
Robert H. Ackerman, MD
NPI 1649256504 · Special Hospital · Boston, MA
Robert H. Ackerman, MD is a Special Hospital organization in Boston, MA (NPI 1649256504).
Provider details
- NPI number
- 1649256504
- Entity type
- Organization
- Primary specialty
- Special HospitalHospitals
- Organization subpart
- No
- Authorized official
- Robert Ackerman, MD(800) 927-0002
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Fruit St
Cln 340
Boston, MA 02114
Phone: (617) 547-1620
Approximate (ZIP-level) locationGet directions
Mailing address
91 Stiles Rd
Salem, NH 03079-2846
Other names (DBA / former)
- Other name
- Mass General Hospital
Registry dates
- Enumerated
- 2005-12-21
- Last updated
- 2020-08-22
Frequently asked questions
- What is Robert H. Ackerman, MD's NPI number?
- Robert H. Ackerman, MD's National Provider Identifier (NPI) is 1649256504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert H. Ackerman, MD?
- Robert H. Ackerman, MD is classified in the NPPES registry as Special Hospital (Hospitals).
- Where is Robert H. Ackerman, MD located?
- Robert H. Ackerman, MD's practice location on file with NPPES is Fruit St, Boston, MA 02114.
- What is Robert H. Ackerman, MD's phone number?
- The practice phone number listed in the NPPES registry for Robert H. Ackerman, MD is (617) 547-1620.
- Who is the authorized official for Robert H. Ackerman, MD?
- The authorized official listed on Robert H. Ackerman, MD's NPPES record is Robert Ackerman, MD. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert H. Ackerman, MD's NPI active?
- Yes — Robert H. Ackerman, MD's NPI (1649256504) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.