Martin George Ostro, M.D.
Allergy & Immunology Physician · Brookline, MA
Martin George Ostro, M.D. is an allergy & immunology physician with a practice address in Brookline, Massachusetts, and NPI 1467423848, issued on Feb 1, 2006. Check the license (Massachusetts 42186, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Martin George Ostro
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 42186 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Beacon St, Brookline, MA 02446
- Phone
- (617) 734-2202
- Enumerated
- Feb 1, 2006
- Record last updated
- Sep 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 734-2408
- Medicaid ID
- 3015882 MA
- Medicare enrollment
- Enrolled (PECOS I20040615000854); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 121 in Massachusetts → Look up another NPI →
Also registered at 1101 Beacon St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Akland, PA-CMedical Physician Assistant1093915795
- Stephen Amira, PH.D.Clinical Psychologist1831262245
- Julie Anderson, PH.D.Psychologist1821190588
- Heather Ayares, LICSWClinical Social Worker1710107263
- Alexandra Beckett, M.D.Psychiatry Physician1457363962
- Jonathan Blumberg, MDInternal Medicine Physician1609881317
Verify Martin George Ostro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 42186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,274 Medicare Part D claims for 134 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Montelukast Sodium143 claims
- Breo Ellipta114 claims
- Albuterol Sulfate Hfa104 claims
- Arnuity Ellipta89 claims
- Azelastine Hcl87 claims
- Fluticasone Propionate79 claims
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.
Industry payments in 2024: $18.46
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Martin George Ostro among 121 allergy & immunology physician records in Massachusetts
Martin George Ostro, M.D. is one of 121 allergy & immunology physician records with a practice address in Massachusetts. 83% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1972 · median 2003 among the 86 with a school on file
- Record last updated2011 · 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 207K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Massachusetts
There are 121 allergy & immunology physician records in Massachusetts.
All 121 in Massachusetts → Every provider in Brookline → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Lauren Handelman, M.D.Newton, MA 024591548358930
- Jonathan Arm, MDChestnut Hill, MA 024671841257524
- Lora Bankova, M.D.Chestnut Hill, MA 024671962527580
- Joshua Boyce, MDChestnut Hill, MA 024671285608919
- Laura FanningChestnut Hill, MA 024671043493067
- Anna Feldweg, MDChestnut Hill, MA 024671629050729
- David Hong, MDChestnut Hill, MA 024671316079908
- Joyce Hsu, MDChestnut Hill, MA 024671407016371
Common questions
What is Martin George Ostro, M.D.'s NPI number?
Martin George Ostro, M.D.'s National Provider Identifier (NPI) is 1467423848, issued on Feb 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin George Ostro, M.D. located?
The NPPES record lists a practice address at 1101 Beacon St, Brookline, MA, 02446. Phone: (617) 734-2202. Providers update this record themselves, so call before visiting.
How can I verify Martin George Ostro, M.D.'s license?
NPPES lists Massachusetts license number 42186, 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.
How much does Martin George Ostro, M.D. prescribe under Medicare Part D?
In 2024, Martin George Ostro, M.D. had 1,274 Medicare Part D claims for 134 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.