NPPES file of Aug 9, 2026

Martha N. Martents, M.D.

Internal Medicine Physician · Cambridge, MA

Martha N. Martents, M.D. is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1700964848, issued on Nov 2, 2006. Check the license (Massachusetts 150095, 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
1700964848
Name
Martha N. Martents
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
150095 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Concord Ave Ste 6100, Cambridge, MA 02138
Phone
(161) 786-4882
Enumerated
Nov 2, 2006
Record last updated
Oct 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 547-5367
Medicaid ID
3149358 MA
Medicare enrollment
Enrolled (PECOS I20201030002128); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 Ste 6100

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

  1. Songprod Lorgunpai, M.D.Internal Medicine Physician1225423015
  2. Emily Marbas, MDFamily Medicine Physician1891374765
  3. Sarah McArdle, LICSWClinical Social Worker1316526411
  4. Elizabeth Thidemann, PA-CMedical Physician Assistant1629791975

Verify Martha N. Martents 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 150095
    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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53% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,483 Medicare Part D claims for 107 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Martha Martents1,483
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium107 claims
  2. Metformin Hcl100 claims
  3. Metoprolol Succinate77 claims
  4. Omeprazole67 claims
  5. Simvastatin63 claims
  6. Atorvastatin Calcium56 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 2 group practices

  1. Masstex Imaging, LLCDanvers, MA
  2. 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).

Martha N. Martents among 6,825 internal medicine physician records in Massachusetts

Martha N. Martents, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1977 · median 2004 among the 4,103 with a school on file
  • Record last updated2021 · 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 Martha N. Martents, M.D.'s NPI number?

Martha N. Martents, M.D.'s National Provider Identifier (NPI) is 1700964848, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martha N. Martents, M.D. located?

The NPPES record lists a practice address at 725 Concord Ave Ste 6100, Cambridge, MA, 02138. Phone: (161) 786-4882. Providers update this record themselves, so call before visiting.

How can I verify Martha N. Martents, M.D.'s license?

NPPES lists Massachusetts license number 150095, 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 Martha N. Martents, M.D. prescribe under Medicare Part D?

In 2024, Martha N. Martents, M.D. had 1,483 Medicare Part D claims for 107 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.