Registry data as of Aug 27, 2026

Susan Mahan, MD

Orthopaedic Surgery Physician · Boston, MA

Susan Mahan, MD is an orthopaedic surgery physician with a practice address in Boston, Massachusetts, and NPI 1639105240, issued on Jun 24, 2006. Check the license (Massachusetts 220128, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639105240
Name
Susan Mahan
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
220128 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-8346
Enumerated
Jun 24, 2006
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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Also registered at 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Susan Mahan 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 220128
    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.

Orthopaedic Surgery Physician providers in Massachusetts

There are 719 orthopaedic surgery physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other orthopaedic surgery physician records in Massachusetts

  1. Daniel Aaron, M.D.Worcester, MA1518184605
  2. Ayesha Abdeen, M.D.Boston, MA1891959011
  3. Michael Ackland, MDBoston, MA1679759914
  4. Giscard Adeclat, MDBoston, MA1598320194
  5. David Adelberg, MDN Dartmouth, MA1053316356
  6. Jesse Affonso, M.D.Hyannis, MA1336382373
  7. Kiran Agarwal-Harding, MDBoston, MA1003229097
  8. Kshitijkumar Agrawal, MDBrighton, MA1659667673
  9. Munif Ahmad Hatem, MDBoston, MA1497357701
  10. Jessica Aidlen, M.D.Newton, MA1528115656

Common questions

What is Susan Mahan, MD's NPI number?

Susan Mahan, MD's National Provider Identifier (NPI) is 1639105240, issued on Jun 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Mahan, MD located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-8346. Providers update this record themselves, so call before visiting.

How can I verify Susan Mahan, MD's license?

NPPES lists Massachusetts license number 220128, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.