NPPES file of Aug 9, 2026

Lan Chan, MD

Diagnostic Radiology Physician · Boston, MA

Lan Chan, MD is a diagnostic radiology physician with a practice address in Boston, Massachusetts, and NPI 1912353293, issued on May 5, 2016. Check the license (Massachusetts 270848, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912353293
Name
Lan Chan
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
270848 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St, Boston, MA 02111
Phone
(347) 547-9327
Enumerated
May 5, 2016
Record last updated
Aug 31, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220714000444); accepts Medicare assignment
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.
Download card Updates feed

8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →

Also registered at 800 Washington St

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

  1. Jeffrey Aalberg, MD, MPHSurgery Physician1326788027
  2. Omer Abbak, PHARMDPharmacist1114500337
  3. Aya Abdelnaser, MDStudent in an Organized Health Care Education/Training Program1770425373
  4. Marie Elise Abi Antoun, MDObstetrics & Gynecology Physician1356042626
  5. Ahmad AboalfarajSurgery Physician1538517651
  6. Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250

Verify Lan Chan 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 270848    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. John T Mather Memorial HospitalPort Jefferson, NY

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

Lan Chan among 1,658 diagnostic radiology physician records in Massachusetts

Lan Chan, MD is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2016 · median 2006 among the 1,125 with a school on file
  • Record last updated2017 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

896 diagnostic radiology physician records list a practice address in Boston

They are 896 of the 41,865 NPPES records with a practice address in Boston, and 1,658 diagnostic radiology physician records in Massachusetts.

All 1,658 in Massachusetts → Every provider in Boston → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Seyedeh Aleali, MDBoston, MA 021111659404267
  2. Mark Bankoff, MDBoston, MA 021111649353004
  3. Stephen Bloom, MDBoston, MA 021111801979265
  4. Carlo Buonomo, MDBoston, MA 021111366480857
  5. David Cherniak, M.D.Boston, MA 021111780621987
  6. Carlos Cunha, M.D.Boston, MA 021111013954288
  7. Frederick Doherty, MDBoston, MA 021111356424717
  8. Clement Grassi, M.D.Boston, MA 021111407808686

Common questions

What is Lan Chan, MD's NPI number?

Lan Chan, MD's National Provider Identifier (NPI) is 1912353293, issued on May 5, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lan Chan, MD located?

The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (347) 547-9327. Providers update this record themselves, so call before visiting.

How can I verify Lan Chan, MD's license?

NPPES lists Massachusetts license number 270848, 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.

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.