NPPES file of Aug 9, 2026

Janice A. Quan, M.D.

Internal Medicine Physician · Boston, MA

Janice A. Quan, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1730166646, issued on Dec 30, 2005. Check the license (Massachusetts 152793, 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
1730166646
Name
Janice A. Quan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
152793 MA
Self-reported in NPPES; status is on the state search
Practice location
801 Massachusetts Ave, Boston, MA 02118
Phone
(617) 414-5951
Enumerated
Dec 30, 2005
Record last updated
Jun 9, 2023
Fax
(617) 414-9201
Medicaid ID
110061935A MA
Medicare enrollment
Enrolled (PECOS I20120206000715); accepts Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1979
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 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 Janice A. Quan 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 152793
    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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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,765 Medicare Part D claims for 332 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 381 claims were for opioids.

  1. Janice Quan6,765
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium495 claims
  2. Amlodipine Besylate370 claims
  3. Albuterol Sulfate Hfa274 claims
  4. Omeprazole237 claims
  5. Metoprolol Succinate233 claims
  6. Losartan Potassium230 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. Evans Medical Foundation IncBoston, MA

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

Janice A. Quan among 6,825 internal medicine physician records in Massachusetts

Janice A. Quan, 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
  • Graduated1979 · 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 Janice A. Quan, M.D.'s NPI number?

Janice A. Quan, M.D.'s National Provider Identifier (NPI) is 1730166646, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Janice A. Quan, M.D. located?

The NPPES record lists a practice address at 801 Massachusetts Ave, Boston, MA, 02118. Phone: (617) 414-5951. Providers update this record themselves, so call before visiting.

How can I verify Janice A. Quan, M.D.'s license?

NPPES lists Massachusetts license number 152793, 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 Janice A. Quan, M.D. prescribe under Medicare Part D?

In 2024, Janice A. Quan, M.D. had 6,765 Medicare Part D claims for 332 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.