NPPES file of Aug 9, 2026

Claire J. Carlo, M.D.

Internal Medicine Physician · Boston, MA

Claire J. Carlo, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1336125871, issued on Dec 16, 2005. Check the license (Massachusetts 153932, 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
1336125871
Name
Claire J. Carlo
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
153932 MA
Self-reported in NPPES; status is on the state search
Practice location
780 Albany St, Boston, MA 02118
Phone
(857) 654-1000
Enumerated
Dec 16, 2005
Record last updated
Jan 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(857) 654-1100
Medicaid ID
3198189 MA
Medicare enrollment
Enrolled (PECOS I20050119000368); accepts Medicare assignment
Medical or professional school
New York Medical College, 1985
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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8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →

Also registered at 780 Albany St

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

  1. Carolyn Abbanat Villafane, NPNurse Practitioner1598810269
  2. Camille AbrahamPharmacist1992579049
  3. June Abraham, NPAdult Health Nurse Practitioner1306916440
  4. Jeanne Ackerley, R.N.Registered Nurse1235251307
  5. Andrea AdamopoulosRegistered Nurse1346710381
  6. Betsy Adams, RNCase Management Registered Nurse1396176277

Verify Claire J. Carlo 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 153932    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

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58% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,339 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 46 claims were for opioids.

  1. Claire Carlo1,339
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium100 claims
  2. Biktarvy100 claims
  3. Buprenorphine-Naloxone76 claims
  4. Amlodipine Besylate67 claims
  5. Losartan Potassium55 claims
  6. Gabapentin45 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. Boston Health Care For The Homeless Program, Inc.Boston, MA

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

Claire J. Carlo among 6,825 internal medicine physician records in Massachusetts

Claire J. Carlo, 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
  • Graduated1985 · median 2004 among the 4,103 with a school on file
  • Record last updated2015 · 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).

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Alford, M.D., M.P.H.Boston, MA 021181194708628
  2. Lori Balestrero, MDBoston, MA 021181750384046
  3. Virginia Barrow, M.D.Boston, MA 021181639175466
  4. Monica Bharel, MDBoston, MA 021181093798084
  5. Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
  6. Paul Fallon, MDBoston, MA 021181437145927
  7. Irene Gavras, M.D.Boston, MA 021181619953601
  8. Haralambos Gavras, M.D.Boston, MA 021181740266733

Common questions

What is Claire J. Carlo, M.D.'s NPI number?

Claire J. Carlo, M.D.'s National Provider Identifier (NPI) is 1336125871, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Claire J. Carlo, M.D. located?

The NPPES record lists a practice address at 780 Albany St, Boston, MA, 02118. Phone: (857) 654-1000. Providers update this record themselves, so call before visiting.

How can I verify Claire J. Carlo, M.D.'s license?

NPPES lists Massachusetts license number 153932, 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 Claire J. Carlo, M.D. prescribe under Medicare Part D?

In 2024, Claire J. Carlo, M.D. had 1,339 Medicare Part D claims for 66 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.