Ian Benjamin Hoffman, M.D.
Anesthesiology Physician · Boston, MA
Ian Benjamin Hoffman, M.D. is an anesthesiology physician with a practice address in Boston, Massachusetts, and NPI 1477915874, issued on Mar 24, 2016. Check the license (Massachusetts 1013074, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ian Benjamin Hoffman
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 1013074 MA
MD19120 RI
Self-reported in NPPES; status is on the state search - Practice location
- 243 Charles St, Boston, MA 02114
- Phone
- (617) 573-3380
- Enumerated
- Mar 24, 2016
- Record last updated
- Sep 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20230906001766); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ian Benjamin Hoffman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1013074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Massachusetts Eye And Ear Associates, IncBoston, MA
- Pratt Anesthesiology Associates IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Benjamin Hoffman among 2,089 anesthesiology physician records in Massachusetts
Ian Benjamin Hoffman, M.D. is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2008 among the 1,472 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,082 anesthesiology physician records list a practice address in Boston
They are 1,082 of the 41,865 NPPES records with a practice address in Boston, and 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Boston → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Wei Chao, MD PHDBoston, MA 021141922098730
- Joseph Cotten, MD PHDBoston, MA 021141215927827
- Marianna Crowley, MDBoston, MA 021141093705691
- William Denman, MDBoston, MA 021141376533794
- Martha Gallagher, MDBoston, MA 021141790775476
- Douglas Hansell, MDBoston, MA 021141780674051
- William Kimball, MD PHDBoston, MA 021141942290515
- Jean Kwo, MDBoston, MA 021141275523748
Common questions
What is Ian Benjamin Hoffman, M.D.'s NPI number?
Ian Benjamin Hoffman, M.D.'s National Provider Identifier (NPI) is 1477915874, issued on Mar 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ian Benjamin Hoffman, M.D. located?
The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 573-3380. Providers update this record themselves, so call before visiting.
How can I verify Ian Benjamin Hoffman, M.D.'s license?
NPPES lists Massachusetts license number 1013074, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.