Allison Ackerman, MD
Internal Medicine Physician · Boston, MA
Allison Ackerman, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1285894790, issued on Jun 10, 2008. Check the license (Massachusetts L-236076, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Allison Ackerman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L-236076 MA
Self-reported in NPPES; status is on the state search - Practice location
- Massachusetts General Hospital, Boston, MA 02114
- Phone
- (617) 726-2862
- Enumerated
- Jun 10, 2008
- Entity
- Type 1 · individual
Also registered at Massachusetts General Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allison Ackerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license L-236076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3,060 internal medicine physician records list a Boston practice address
They are 3,060 of the 41,865 NPPES records with a Boston practice address, and 7,865 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,060 in Boston → All 7,865 in Massachusetts → Every provider in Boston →
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Common questions
What is Allison Ackerman, MD's NPI number?
Allison Ackerman, MD's National Provider Identifier (NPI) is 1285894790, issued on Jun 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Allison Ackerman, MD located?
The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 726-2862. Providers update this record themselves, so call before visiting.
How can I verify Allison Ackerman, MD's license?
NPPES lists Massachusetts license number L-236076, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.