Brian Reza Poustinchian, D.O.
Hospitalist Physician · Geneva, IL
Brian Reza Poustinchian, D.O. is a hospitalist physician with a practice address in Geneva, Illinois, and NPI 1649591371, issued on Jun 16, 2010. Check the license (Illinois 036.131483, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brian Reza Poustinchian
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036.131483 IL
036131483 IL
125058545 IL
Self-reported in NPPES; status is on the state search - Practice location
- 300 Randall RD, Geneva, IL 60134
- Phone
- (630) 208-3000
- Enumerated
- Jun 16, 2010
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (630) 762-7882
- Medicaid ID
- 036131483 IL
- Medicare enrollment
- Enrolled (PECOS I20130626000762); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 300 Randall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brian Reza Poustinchian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.131483Check 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% fewer Medicare Part D claims than the average hospitalist physician in 2024
146 Medicare Part D claims for 89 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Pantoprazole Sodium14 claims
- Amoxicillin-Clavulanate Potass12 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Central Dupage Physician GroupWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Reza Poustinchian among 1,535 hospitalist physician records in Illinois
Brian Reza Poustinchian, D.O. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 30% of them.
- NPI issued2010 · 30% of these records are older, 65% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2010 · median 2013 among the 1,339 with a school on file
- Record last updated2018 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 hospitalist physician records list a practice address in Geneva
They are 24 of the 1,023 NPPES records with a practice address in Geneva, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Geneva → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
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- Vincent Johnson, M.D.Geneva, IL 601341497749931
- Victor Kapoor, M.D.Geneva, IL 601341689916785
- Himabala Medasani, MDGeneva, IL 601341982013165
Common questions
What is Brian Reza Poustinchian, D.O.'s NPI number?
Brian Reza Poustinchian, D.O.'s National Provider Identifier (NPI) is 1649591371, issued on Jun 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Brian Reza Poustinchian, D.O. located?
The NPPES record lists a practice address at 300 Randall RD, Geneva, IL, 60134. Phone: (630) 208-3000. Providers update this record themselves, so call before visiting.
How can I verify Brian Reza Poustinchian, D.O.'s license?
NPPES lists Illinois license number 036.131483, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Reza Poustinchian, D.O. prescribe under Medicare Part D?
In 2024, Brian Reza Poustinchian, D.O. had 146 Medicare Part D claims for 89 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Brian Reza Poustinchian, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.