Ira Mintzer
Internal Medicine Physician · Cambridge, MA
Ira Mintzer is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1942349014, issued on Feb 6, 2007. Check the license (Massachusetts 35667, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ira Mintzer
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35667 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge St, Cambridge, MA 02139
- Phone
- (617) 665-1032
- Enumerated
- Feb 6, 2007
- Record last updated
- Dec 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1493 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nawyaab Abbasi, DOStudent in an Organized Health Care Education/Training Program1215875364
- Flannery AbbeySocial Worker1508604273
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- Khaleel Abdul-Jabbaar, PT, DPTOrthopedic Physical Therapist1780295717
- Adri Abou-Bakr, MDStudent in an Organized Health Care Education/Training Program1770421844
Verify Ira Mintzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 35667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,470 Medicare Part D claims for 214 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Amlodipine Besylate140 claims
- Lisinopril127 claims
- Losartan Potassium102 claims
- Metoprolol Succinate100 claims
- Hydrochlorothiazide76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ira Mintzer among 6,825 internal medicine physician records in Massachusetts
Ira Mintzer is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 6,825 in Massachusetts → Every provider in Cambridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Baron, MDCambridge, MA 021391376503318
- John Brusch, MDCambridge, MA 021391639138449
- David Diamond, MDCambridge, MA 021391265411664
- Leigh Firn, MDCambridge, MA 021391194706507
- Agnes Graves, M.D.Cambridge, MA 021391932160934
- Howard Heller, MDCambridge, MA 021391508856287
- Michael Kane, MDCambridge, MA 021391376524769
- William Kettyle, MDCambridge, MA 021391306823414
Common questions
What is Ira Mintzer's NPI number?
Ira Mintzer's National Provider Identifier (NPI) is 1942349014, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ira Mintzer located?
The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 665-1032. Providers update this record themselves, so call before visiting.
How can I verify Ira Mintzer's license?
NPPES lists Massachusetts license number 35667, 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.
How much does Ira Mintzer prescribe under Medicare Part D?
In 2024, Ira Mintzer had 2,470 Medicare Part D claims for 214 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.