NPPES file of Aug 9, 2026

Stuart F. Quan, MD

Sleep Medicine (Internal Medicine) Physician · Boston, MA

Stuart F. Quan, MD is a sleep medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1609957281, issued on Oct 18, 2006. Check the license 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
1609957281
Name
Stuart F. Quan
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
11228 AZ
Self-reported in NPPES; status is on the state search
Practice location
1153 Centre St, Boston, MA 02130
Phone
(617) 983-7489
Enumerated
Oct 18, 2006
Record last updated
Apr 16, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(617) 983-2488
Medicaid ID
221606 AZ
Medicare enrollment
Enrolled (PECOS I20210728003390); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1974
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 1153 Centre St

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

  1. Christopher AhnallenClinical Psychologist1558429563
  2. Rajendra Aldis, M.D.Psychiatry Physician1386968972
  3. Yogeld Andre, CRNACertified Registered Nurse Anesthetist1871971267
  4. Vonette Anglin, NPAdult Health Nurse Practitioner1912210220
  5. Arash Ansari, M.D.Psychiatry Physician1053482190
  6. Ani AroianRegistered Dietitian1619771136

Verify Stuart F. Quan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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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88% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

71 Medicare Part D claims for 16 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Stuart Quan71
  2. Specialty average585

Most prescribed

  1. Modafinil16 claims
  2. Dextroamphetamine-Amphetamine12 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. Banner-University Medical GroupTucson, AZ
  2. Brigham And Womens Physicians Organization IncBoston, MA

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

Stuart F. Quan among 34 sleep medicine (internal medicine) physician records in Massachusetts

Stuart F. Quan, MD is one of 34 sleep medicine (internal medicine) physician records with a practice address in Massachusetts. 82% 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, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1974 · median 2002 among the 24 with a school on file
  • Record last updated2015 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Massachusetts

There are 34 sleep medicine (internal medicine) physician records in Massachusetts.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Salma Batool-Anwar, MBBS, MPHBoston, MA 021301285624916
  2. Nilika Chaudhary, MDBoston, MA 021301396163986
  3. Lawrence Epstein, M.D.Boston, MA 021301811978711
  4. Olabimpe Fashanu, M.DBoston, MA 021301376813329
  5. Ting-Hsu Chen, MDBoston, MA 021321235163643
  6. Daniel Gottlieb, M.D.Boston, MA 021321407813124
  7. Amit Anand, M.D.Boston, MA 021351528099447
  8. David Wellman, M.D.Brighton, MA 021351578596409

Common questions

What is Stuart F. Quan, MD's NPI number?

Stuart F. Quan, MD's National Provider Identifier (NPI) is 1609957281, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stuart F. Quan, MD located?

The NPPES record lists a practice address at 1153 Centre St, Boston, MA, 02130. Phone: (617) 983-7489. Providers update this record themselves, so call before visiting.

How can I verify Stuart F. Quan, MD's license?

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 Stuart F. Quan, MD prescribe under Medicare Part D?

In 2024, Stuart F. Quan, MD had 71 Medicare Part D claims for 16 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.