Registry data as of Aug 27, 2026

Olha Halyabar

Pediatric Rheumatology Physician · Boston, MA

Olha Halyabar is a pediatric rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1881952547, issued on May 1, 2012. Check the license (Massachusetts 275552, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881952547
Name
Olha Halyabar
Primary taxonomy
Pediatric Rheumatology Physician 2080P0216X
License number
275552 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-6000
Enumerated
May 1, 2012
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 Olha Halyabar 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 275552
    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.

One hospital or facility affiliation

  1. Children's Hospital Pediatric Associates, IncBoston, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Pediatric Rheumatology Physician providers in Massachusetts

There are 23 pediatric rheumatology physician records in Massachusetts.

Other pediatric rheumatology physician records in Massachusetts

  1. Elizabeth Ang, MDBoston, MA1881950764
  2. Peter Blier, MDSpringfield, MA1871557447
  3. Daniel Brown, M.D.Boston, MA1043456510
  4. Joyce Chang, M.D.Boston, MA1437412756
  5. Margaret Chang, M.D., PH.D.Boston, MA1194067678
  6. Ezra Cohen, MDBoston, MA1144515818
  7. Trevor Davis, MDBoston, MA1932361292
  8. Fatma Dedeoglu, M.D.Boston, MA1316053184
  9. Melissa Hazen, M.D.Boston, MA1417170713
  10. Lauren Henderson, MDBoston, MA1790945764

Common questions

What is Olha Halyabar's NPI number?

Olha Halyabar's National Provider Identifier (NPI) is 1881952547, issued on May 1, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Olha Halyabar located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.

How can I verify Olha Halyabar's license?

NPPES lists Massachusetts license number 275552, 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. Medicare files from data.cms.gov. 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.