Jeremy Isaac Keller, M.D.
Internal Medicine Physician · Cambridge, MA
Jeremy Isaac Keller, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1417130832, issued on Dec 7, 2007. Check the license (Massachusetts 225297, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeremy Isaac Keller
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 225297 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Windsor St, Cambridge, MA 02139
- Phone
- (617) 665-3600
- Enumerated
- Dec 7, 2007
- Record last updated
- Nov 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 2153904 MA
- Medicare enrollment
- Enrolled (PECOS I20080612000177); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 119 Windsor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique AlcindorLicensed Practical Nurse1669863205
- Juliana AntonucciFamily Nurse Practitioner1821717877
- Rosa Argueta, RNRegistered Nurse1821390550
- Crystal Asiwe, L.P.NLicensed Practical Nurse1457603219
- Shamsher BamRegistered Nurse1184024507
- Andrei Barasch, DMD, MDSCDentist1962669382
Verify Jeremy Isaac Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 225297Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,596 Medicare Part D claims for 224 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 55 claims were for opioids.
Most prescribed
- Atorvastatin Calcium292 claims
- Amlodipine Besylate218 claims
- Lisinopril181 claims
- Gabapentin168 claims
- Metformin Hcl136 claims
- Metoprolol Succinate122 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.
Bills Medicare through one group practice
- Cambridge Public Health CommissionCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeremy Isaac Keller among 6,825 internal medicine physician records in Massachusetts
Jeremy Isaac Keller, M.D. 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 fileYes · 60% of these records are
- Graduated2000 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 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 Jeremy Isaac Keller, M.D.'s NPI number?
Jeremy Isaac Keller, M.D.'s National Provider Identifier (NPI) is 1417130832, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeremy Isaac Keller, M.D. located?
The NPPES record lists a practice address at 119 Windsor St, Cambridge, MA, 02139. Phone: (617) 665-3600. Providers update this record themselves, so call before visiting.
How can I verify Jeremy Isaac Keller, M.D.'s license?
NPPES lists Massachusetts license number 225297, 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 Jeremy Isaac Keller, M.D. prescribe under Medicare Part D?
In 2024, Jeremy Isaac Keller, M.D. had 3,596 Medicare Part D claims for 224 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.