NPPES file of Aug 9, 2026

Olga Sinyavskaya, MD

Child & Adolescent Psychiatry Physician · Boston, MA

Olga Sinyavskaya, MD is a child & adolescent psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1861052342, issued on Jun 18, 2019. Check the license (Massachusetts 292756, 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
1861052342
Name
Olga Sinyavskaya
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
292756 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 726-2000
Enumerated
Jun 18, 2019
Record last updated
Jun 24, 2026
Medicare enrollment
Enrolled (PECOS I20241206002173); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 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 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Olga Sinyavskaya 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 292756
    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 one group practice

  1. Massachusetts General Physicians Organization IncBoston, MA

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

Olga Sinyavskaya among 336 child & adolescent psychiatry physician records in Massachusetts

Olga Sinyavskaya, MD is one of 336 child & adolescent psychiatry physician records with a practice address in Massachusetts. 51% 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 91% of them.

  • NPI issued2019 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 51% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated2019 · median 2001 among the 98 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Massachusetts

There are 336 child & adolescent psychiatry physician records in Massachusetts.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Annah Abrams, MDBoston, MA 021141689665234
  2. Donald Condie, MDBoston, MA 021141366417347
  3. Marcus Favero, MDBoston, MA 021141730152463
  4. John Julian, MDBoston, MA 021141013998483
  5. Ranna Parekh, MDBoston, MA 021141003840190
  6. Elizabeth Pinsky, M.D.Boston, MA 021141437286895
  7. Lisa Price, MDBoston, MA 021141902810435
  8. Jefferson Prince, MDBoston, MA 021141891714804

Common questions

What is Olga Sinyavskaya, MD's NPI number?

Olga Sinyavskaya, MD's National Provider Identifier (NPI) is 1861052342, issued on Jun 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Olga Sinyavskaya, MD located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.

How can I verify Olga Sinyavskaya, MD's license?

NPPES lists Massachusetts license number 292756, 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.