NPPES file of Aug 9, 2026

Edward M. Kowaloff, M.D.

Internal Medicine Physician · Cambridge, MA

Edward M. Kowaloff, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1437147071, issued on Oct 7, 2005. Check the license (Massachusetts 44238, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437147071
Name
Edward M. Kowaloff
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
44238 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Concord Ave, Cambridge, MA 02138
Phone
(617) 864-8822
Enumerated
Oct 7, 2005
Record last updated
Dec 26, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(617) 547-5367
Medicaid ID
2071614 MA
Medicare enrollment
Enrolled (PECOS I20050819000144); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1971
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 725 Concord Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charles Barsam, M.D.Ophthalmology Physician1760470041
  2. Paul Barsam, M.D.Ophthalmology Physician1245206176
  3. Amy Bebergal, LICSWClinical Social Worker1417648767
  4. Kenneth Bernstein, M.D.Internal Medicine Physician1134117781
  5. John Danchik, D.C.Chiropractor1386748960
  6. Joycelyn Datu, MDInternal Medicine Physician1568421279

Verify Edward M. Kowaloff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 44238
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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16% more Medicare Part D claims than the average internal medicine physician in 2024

3,683 Medicare Part D claims for 196 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 327 claims were for opioids.

  1. Edward Kowaloff3,683
  2. Specialty average3,176

Most prescribed

  1. Lisinopril212 claims
  2. Levothyroxine Sodium178 claims
  3. Atorvastatin Calcium156 claims
  4. Amlodipine Besylate116 claims
  5. Clonazepam107 claims
  6. Simvastatin107 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

  1. Mount Auburn Professional Services IncLexington, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Edward M. Kowaloff among 6,825 internal medicine physician records in Massachusetts

Edward M. Kowaloff, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1971 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Susan Abookire, MDCambridge, MA 021381407859762
  2. Matthew Carmody, MDCambridge, MA 021381184624488
  3. Mark Friedman, MDCambridge, MA 021381760482921
  4. Eva Gassiraro, MDCambridge, MA 021381598762833
  5. Beth Goldman, MDCambridge, MA 021381457358798
  6. Charles Hatem, MDCambridge, MA 021381528065877
  7. David Hudacek, MDCambridge, MA 021381992707269
  8. Janine McCauley, MDCambridge, MA 021381487656617

Common questions

What is Edward M. Kowaloff, M.D.'s NPI number?

Edward M. Kowaloff, M.D.'s National Provider Identifier (NPI) is 1437147071, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Edward M. Kowaloff, M.D. located?

The NPPES record lists a practice address at 725 Concord Ave, Cambridge, MA, 02138. Phone: (617) 864-8822. Providers update this record themselves, so call before visiting.

How can I verify Edward M. Kowaloff, M.D.'s license?

NPPES lists Massachusetts license number 44238, 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 Edward M. Kowaloff, M.D. prescribe under Medicare Part D?

In 2024, Edward M. Kowaloff, M.D. had 3,683 Medicare Part D claims for 196 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.