Irina Y. Mezhebovsky, M.D.
Specialist · Brookline, MA
Irina Y. Mezhebovsky, M.D. is a specialist with a practice address in Brookline, Massachusetts, and NPI 1114981073, issued on Apr 16, 2006. Check the license (Massachusetts 150235, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irina Y. Mezhebovsky
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 150235 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 South St, Brookline, MA 02467
- Phone
- (617) 469-0300
- Enumerated
- Apr 16, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (617) 783-0395
- Medicaid ID
- 3171051 MA
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
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Verify Irina Y. Mezhebovsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 150235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average specialist in 2024
13 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Irina Y. Mezhebovsky among 1,096 specialist records in Massachusetts
Irina Y. Mezhebovsky, M.D. is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 69% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2026 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Massachusetts
There are 1,096 specialist records in Massachusetts.
All 1,096 in Massachusetts → Every provider in Brookline → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Kristen Allen, ATCChestnut Hill, MA 024671215002886
- Erin Brennen, ATCChestnut Hill, MA 024671477514685
- Salin Dahlben, M.D.Chestnut Hill, MA 024671962471714
- Bert Lenz, LATCChestnut Hill, MA 024671184773483
- Mikhail Mazo, M.D.Newton, MA 024671740231216
- Jeffrey Silver, MDChestnut Hill, MA 024671417917220
- David Sloane, M.D.Chestnut Hill, MA 024671164403119
- Michael Vigneau, ATCChestnut Hill, MA 024671700959442
Common questions
What is Irina Y. Mezhebovsky, M.D.'s NPI number?
Irina Y. Mezhebovsky, M.D.'s National Provider Identifier (NPI) is 1114981073, issued on Apr 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irina Y. Mezhebovsky, M.D. located?
The NPPES record lists a practice address at 300 South St, Brookline, MA, 02467. Phone: (617) 469-0300. Providers update this record themselves, so call before visiting.
How can I verify Irina Y. Mezhebovsky, M.D.'s license?
NPPES lists Massachusetts license number 150235, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Irina Y. Mezhebovsky, M.D. prescribe under Medicare Part D?
In 2024, Irina Y. Mezhebovsky, M.D. had 13 Medicare Part D claims; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
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.