NPPES file of Aug 9, 2026

Joan Mak, D.O.

Physical Medicine & Rehabilitation Physician · Boston, MA

Joan Mak, D.O. is a physical medicine & rehabilitation physician with a practice address in Boston, Massachusetts, and NPI 1174558696, issued on Jul 12, 2006. Check the license (Massachusetts 227159, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174558696
Name
Joan Mak
Credential
D.O.
Primary taxonomy
Physical Medicine & Rehabilitation Physician 208100000X
License number
227159 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Boston Medical Ctr PL, Boston, MA 02118
Phone
(617) 414-0044
Enumerated
Jul 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest physical medicine & rehabilitation physician records → All 353 in Massachusetts → Look up another NPI →

Also registered at 1 Boston Medical Ctr PL

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

  1. Rachel Achu-Lopes, M.D.Anesthesiology Physician1417376872
  2. Sapana Adhikari, M.D.Emergency Medicine Physician1902870694
  3. Tara AdyanthayaMental Health Counselor1053998419
  4. Shuchi AgarwalStudent in an Organized Health Care Education/Training Program1063701753
  5. Christina AgudeloStudent in an Organized Health Care Education/Training Program1699423772
  6. Priscilla AguilarStudent in an Organized Health Care Education/Training Program1033838792

Verify Joan Mak 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 227159    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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Joan Mak among 353 physical medicine & rehabilitation physician records in Massachusetts

Joan Mak, D.O. is one of 353 physical medicine & rehabilitation physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 59% newer
  • In a Medicare fileNo · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Medicine & Rehabilitation Physician providers in Massachusetts

There are 353 physical medicine & rehabilitation physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 353 in Massachusetts → Every provider in Boston → Physical Medicine & Rehabilitation Physician nationwide →

The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes

  1. Ivan Chernev, M.D.Boston, MA 021181992971790
  2. Ibtehal Kimawi, MBBSBoston, MA 021181831553007
  3. Simona Manasian, M.D.Boston, MA 021181760454094
  4. Nupur Saxena, M.D.Boston, MA 021181609077866
  5. Joel Schaffer, MDBoston, MA 021181992955355
  6. Anton Shcherbina, M.D.Boston, MA 021181639200256
  7. Duc Tran, M.D.Boston, MA 021181366753600
  8. David Hurtado, M.D.Roxbury, MA 021191376614412

Common questions

What is Joan Mak, D.O.'s NPI number?

Joan Mak, D.O.'s National Provider Identifier (NPI) is 1174558696, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joan Mak, D.O. located?

The NPPES record lists a practice address at 1 Boston Medical Ctr PL, Boston, MA, 02118. Phone: (617) 414-0044. Providers update this record themselves, so call before visiting.

How can I verify Joan Mak, D.O.'s license?

NPPES lists Massachusetts license number 227159, 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. 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.