Rostam Khoubyari, M.D.
Cardiovascular Disease Physician · Downey, CA
Rostam Khoubyari, M.D. is a cardiovascular disease physician with a practice address in Downey, California, and NPI 1558665737, issued on Jan 3, 2011. Check the license (California A127733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rostam Khoubyari
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- A127733 CA
47772 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 10000 Lakewood Blvd, Downey, CA 90240
- Phone
- (562) 862-3684
- Enumerated
- Jan 3, 2011
- Record last updated
- Apr 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20201118001459); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 10000 Lakewood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristy Alston, FNP-CFamily Nurse Practitioner1801110234
- Sameer Amin, MDInternal Medicine Physician1326164633
- Jose Anguiano, M.D.Internal Medicine Physician1841637576
- Rachel Aragon, NPNurse Practitioner1285785725
- Miri Chang, FNP-BCFamily Nurse Practitioner1851610158
- Sepideh Chegini, M.D.Internal Medicine Physician1871547075
Verify Rostam Khoubyari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A127733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,472 Medicare Part D claims for 588 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Eliquis425 claims
- Telmisartan331 claims
- Atorvastatin Calcium330 claims
- Metoprolol Succinate278 claims
- Amlodipine Besylate255 claims
- Carvedilol175 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.
Bills Medicare through 2 group practices
- Albion Medical Partners OF California West PCCerritos, CA
- City OF Hope Medical FoundationIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rostam Khoubyari among 2,574 cardiovascular disease physician records in California
Rostam Khoubyari, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 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 2011, is newer than 77% of them.
- NPI issued2011 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 1999 among the 1,742 with a school on file
- Record last updated2026 · 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 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Downey → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Gary Marsh, M.D.Downey, CA 902401639116296
- Mehdi Zargarian, M.D.Downey, CA 902401760429575
- Stephen Berberich, MD. FACCDowney, CA 902411053844043
- Jerry Floro, M.D.Downey, CA 902411801802079
- Paiboon Mahaisavariya, M.D.Downey, CA 902411801959069
- Douglas Segal, MDDowney, CA 902411881660991
- Kaushal Tamboli, M.D.Downey, CA 902411871655480
- Pramod Multani, MDDowney, CA 902421407968746
Common questions
What is Rostam Khoubyari, M.D.'s NPI number?
Rostam Khoubyari, M.D.'s National Provider Identifier (NPI) is 1558665737, issued on Jan 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Rostam Khoubyari, M.D. located?
The NPPES record lists a practice address at 10000 Lakewood Blvd, Downey, CA, 90240. Phone: (562) 862-3684. Providers update this record themselves, so call before visiting.
How can I verify Rostam Khoubyari, M.D.'s license?
NPPES lists California license number A127733, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rostam Khoubyari, M.D. prescribe under Medicare Part D?
In 2024, Rostam Khoubyari, M.D. had 3,472 Medicare Part D claims for 588 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.