NPPES file of Aug 9, 2026

Chloe Alexandra Thomas, MD

Internal Medicine Physician · Boston, MA

Chloe Alexandra Thomas, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1801422720, issued on Mar 23, 2020. Check the license (Massachusetts 1013285, 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
1801422720
Name
Chloe Alexandra Thomas
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
1013285 MA
Self-reported in NPPES; status is on the state search
Practice location
801 Massachusetts Ave, Boston, MA 02118
Phone
(617) 414-7399
Enumerated
Mar 23, 2020
Record last updated
Oct 24, 2023
Fax
(617) 414-4676
Medicare enrollment
Enrolled (PECOS I20231114001249); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2020
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 801 Massachusetts Ave

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

  1. Najla AbdurrahmanInternal Medicine Physician1215478656
  2. Eftitan Akam, MDInternal Medicine Physician1568950483
  3. Marwah AlnewaisAmbulatory Care Pharmacist1932815909
  4. Margaret Ames, CNPNurse Practitioner1386163178
  5. Peter ArdenStudent in an Organized Health Care Education/Training Program1821892795
  6. Nabila Azad, M.D.Internal Medicine Physician1881073138

Verify Chloe Alexandra Thomas 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 1013285
    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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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

191 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Chloe Thomas191
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium21 claims
  2. Metoprolol Succinate13 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. Cambridge Public Health CommissionCambridge, MA

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

Chloe Alexandra Thomas among 6,825 internal medicine physician records in Massachusetts

Chloe Alexandra Thomas, MD 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 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2020 · median 2004 among the 4,103 with a school on file
  • Record last updated2023 · 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.

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. Claire Carlo, M.D.Boston, MA 021181336125871
  6. Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
  7. Paul Fallon, MDBoston, MA 021181437145927
  8. Irene Gavras, M.D.Boston, MA 021181619953601

Common questions

What is Chloe Alexandra Thomas, MD's NPI number?

Chloe Alexandra Thomas, MD's National Provider Identifier (NPI) is 1801422720, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Chloe Alexandra Thomas, MD located?

The NPPES record lists a practice address at 801 Massachusetts Ave, Boston, MA, 02118. Phone: (617) 414-7399. Providers update this record themselves, so call before visiting.

How can I verify Chloe Alexandra Thomas, MD's license?

NPPES lists Massachusetts license number 1013285, 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 Chloe Alexandra Thomas, MD prescribe under Medicare Part D?

In 2024, Chloe Alexandra Thomas, MD had 191 Medicare Part D claims for 50 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.