NPPES file of Aug 9, 2026

Sigrid Bairdain, M.D. ,MPH

Surgery Physician · Boston, MA

Sigrid Bairdain, M.D. ,MPH is a surgery physician with a practice address in Boston, Massachusetts, and NPI 1942445895, issued on Dec 6, 2008. Check the license (Massachusetts 259998, 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
1942445895
Name
Sigrid Bairdain
Credential
M.D. ,MPH
Primary taxonomy
Surgery Physician 208600000X
License numbers
259998 MA
BD7904445SB133 DC
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave FL Fegan3, Boston, MA 02115
Phone
(617) 355-6264
Enumerated
Dec 6, 2008
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200226000051); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2008
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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Verify Sigrid Bairdain 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 259998
    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 3 group practices

  1. Collins Intensivist Group, PAMiami, FL
  2. Invision Health Florida, LLCMangonia Park, FL
  3. Tele-ICU IncNorwalk, CA

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

Sigrid Bairdain among 1,003 surgery physician records in Massachusetts

Sigrid Bairdain, M.D. ,MPH is one of 1,003 surgery 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. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2008 · median 2003 among the 503 with a school on file
  • Record last updated2018 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

443 surgery physician records list a practice address in Boston

They are 443 of the 41,865 NPPES records with a practice address in Boston, and 1,003 surgery physician records in Massachusetts.

The 8 surgery physician records with the nearest ZIP codes

  1. Stanley Ashley, MDBoston, MA 021151912997040
  2. Monica Bertagnolli, MDBoston, MA 021151528024270
  3. Ronald Bleday, MDBoston, MA 021151841257466
  4. David Brooks, M.D.Boston, MA 021151306818836
  5. Roger Christian, MDBoston, MA 021151831156199
  6. Thomas Clancy, MDBoston, MA 021151184681561
  7. Joel Goldberg, MDBoston, MA 021151922059468
  8. Arin Greene, MDBoston, MA 021151053385245

Common questions

What is Sigrid Bairdain, M.D. ,MPH's NPI number?

Sigrid Bairdain, M.D. ,MPH's National Provider Identifier (NPI) is 1942445895, issued on Dec 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sigrid Bairdain, M.D. ,MPH located?

The NPPES record lists a practice address at 300 Longwood Ave FL Fegan3, Boston, MA, 02115. Phone: (617) 355-6264. Providers update this record themselves, so call before visiting.

How can I verify Sigrid Bairdain, M.D. ,MPH's license?

NPPES lists Massachusetts license number 259998, 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.