NPPES file of Aug 9, 2026

Stephanie Siegmund

Anatomic Pathology & Clinical Pathology Physician · Boston, MA

Stephanie Siegmund is an anatomic pathology & clinical pathology physician with a practice address in Boston, Massachusetts, and NPI 1639638836, issued on Mar 18, 2019. Check the license (Massachusetts 291021, 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
1639638836
Name
Stephanie Siegmund
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
291021 MA
Self-reported in NPPES; status is on the state search
Practice location
Bwh 75 Francis Street, Boston, MA 02115
Phone
(617) 732-5500
Enumerated
Mar 18, 2019
Record last updated
May 11, 2023
Medicare enrollment
Enrolled (PECOS I20250918003301); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2019
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 Bwh 75 Francis Street

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

  1. Naahanna Akahara, MDStudent in an Organized Health Care Education/Training Program1497514715
  2. Alessandro Boaro, MDStudent in an Organized Health Care Education/Training Program1467914382
  3. Antoine CumminsStudent in an Organized Health Care Education/Training Program1265129084
  4. David Velasquez Garcia, MBA, MPPStudent in an Organized Health Care Education/Training Program1609622265
  5. Joseph WuStudent in an Organized Health Care Education/Training Program1932896107

Verify Stephanie Siegmund 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 291021
    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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Bills Medicare through 2 group practices

  1. Brigham And Womens Physicians Organization IncBoston, MA
  2. University OF California San FranciscoSan Francisco, CA

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

Stephanie Siegmund among 542 anatomic pathology & clinical pathology physician records in Massachusetts

Stephanie Siegmund is one of 542 anatomic pathology & clinical pathology physician records with a practice address in Massachusetts. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2019 · median 2004 among the 305 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Massachusetts

There are 542 anatomic pathology & clinical pathology physician records in Massachusetts.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Theonia Boyd, MDBoston, MA 021151356350524
  2. Ruben Carrasco, MD PHDBoston, MA 021151427150838
  3. David Dorfman, MD PHDBoston, MA 021151679530976
  4. Karen Eldin, MDBoston, MA 021151043266901
  5. Mamta Gupta, MDBoston, MA 021151306983374
  6. Monica HollowellBoston, MA 021151780899013
  7. Xuefei Hong, M.D.Boston, MA 021151770567422
  8. Vania Nose', MD PHDBoston, MA 021151578544425

Common questions

What is Stephanie Siegmund's NPI number?

Stephanie Siegmund's National Provider Identifier (NPI) is 1639638836, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Siegmund located?

The NPPES record lists a practice address at Bwh 75 Francis Street, Boston, MA, 02115. Phone: (617) 732-5500. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Siegmund's license?

NPPES lists Massachusetts license number 291021, 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.

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.