Melvin H. Chalfen, M.D.
Internal Medicine Physician · Cambridge, MA
Melvin H. Chalfen, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1215052022, issued on Mar 20, 2007. Check the license (Massachusetts 24555, 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
- Melvin H. Chalfen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24555 MA
Self-reported in NPPES; status is on the state search - Practice location
- Cambridge Hospital, Cambridge, MA 02139
- Phone
- (617) 665-3820
- Enumerated
- Mar 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at Cambridge Hospital
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melvin H. Chalfen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 24555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
300 internal medicine physician records list a practice address in Cambridge
They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 300 in Cambridge → All 6,825 in Massachusetts → Every provider in Cambridge →
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Common questions
What is Melvin H. Chalfen, M.D.'s NPI number?
Melvin H. Chalfen, M.D.'s National Provider Identifier (NPI) is 1215052022, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Melvin H. Chalfen, M.D. located?
The NPPES record lists a practice address at Cambridge Hospital, Cambridge, MA, 02139. Phone: (617) 665-3820. Providers update this record themselves, so call before visiting.
How can I verify Melvin H. Chalfen, M.D.'s license?
NPPES lists Massachusetts license number 24555, 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. 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.