Robert B. Ostroff, MD
Psychiatry Physician · Hamden, CT
Robert B. Ostroff, MD is a psychiatry physician with a practice address in Hamden, Connecticut, and NPI 1477567840, issued on Jul 28, 2006. Check the license (Connecticut 019406, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert B. Ostroff
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 019406 CT
Self-reported in NPPES; status is on the state search - Practice location
- 60 Washington Ave, Hamden, CT 06518
- Phone
- (203) 281-2890
- Enumerated
- Jul 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 281-2896
- Medicare enrollment
- Enrolled (PECOS I20080219000425); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 60 Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bruce Cha, DMDEndodontics1851493852
- Brian Evans, DDSPeriodontics1487740650
- Lisa Fillmore, MDPsychiatry Physician1275646085
Verify Robert B. Ostroff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 019406Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average psychiatry physician in 2024
1,096 Medicare Part D claims for 82 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Lorazepam130 claims
- Bupropion Xl87 claims
- Clonazepam85 claims
- Lamotrigine75 claims
- Quetiapine Fumarate67 claims
- Clozapine51 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Spectrum Psychiatric Group PCHamden, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert B. Ostroff among 1,174 psychiatry physician records in Connecticut
Robert B. Ostroff, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1976 · median 2003 among the 503 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 psychiatry physician records list a practice address in Hamden
They are 20 of the 1,410 NPPES records with a practice address in Hamden, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Hamden → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Farzana Begum, MDHamden, CT 065181720092190
- Douglas Berv, MDHamden, CT 065181306831391
- Parkavi Chellappa, MDHamden, CT 065181124296710
- Lisa Fillmore, MDHamden, CT 065181275646085
- Karin Kerfoot, MDHamden, CT 065181881890242
- Mimi Mah, MDHamden, CT 065181831103209
- Lauren Mercer, MDHamden, CT 065181922261874
- Farhad Montazeri-Lemraski, MDHamden, CT 065181306136957
Common questions
What is Robert B. Ostroff, MD's NPI number?
Robert B. Ostroff, MD's National Provider Identifier (NPI) is 1477567840, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert B. Ostroff, MD located?
The NPPES record lists a practice address at 60 Washington Ave, Hamden, CT, 06518. Phone: (203) 281-2890. Providers update this record themselves, so call before visiting.
How can I verify Robert B. Ostroff, MD's license?
NPPES lists Connecticut license number 019406, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert B. Ostroff, MD prescribe under Medicare Part D?
In 2024, Robert B. Ostroff, MD had 1,096 Medicare Part D claims for 82 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Robert B. Ostroff, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.