Ali Asghar Houshyar, MD
Internal Medicine Physician · Placentia, CA
Ali Asghar Houshyar, MD is an internal medicine physician with a practice address in Placentia, California, and NPI 1568434595, issued on Feb 3, 2006. Check the license (California A53412, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ali Asghar Houshyar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A53412 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1275 N Rose Dr, Placentia, CA 92870
- Phone
- (714) 524-3880
- Enumerated
- Feb 3, 2006
- Record last updated
- Jul 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 524-3884
- Medicaid ID
- 00A534120 CA
- Entity
- Type 1 · individual
Also registered at 1275 N Rose Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pauline Ho, M.D.Specialist1194854794
- Peter Kwon, M.D.Internal Medicine Physician1003840471
- John Marshburn, M.D.Ophthalmology Physician1245246164
- Melanie Reed, D.P.M.Podiatrist1427034370
- Kenneth Schemmer, M.D.Specialist1619066867
- Carol Schreiber, N.P.Hospice and Palliative Medicine (Obstetrics & Gynecology) Physician1548482284
Verify Ali Asghar Houshyar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
944 Medicare Part D claims for 258 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium90 claims
- Metoprolol Succinate46 claims
- Losartan Potassium45 claims
- Amlodipine Besylate40 claims
- Metformin Hcl38 claims
- Lisinopril34 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: $49.95
2 payments; by number, the most common kind was food and beverage; the largest payer was Averitas Pharma Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Ali Asghar Houshyar, MD's NPI number?
Ali Asghar Houshyar, MD's National Provider Identifier (NPI) is 1568434595, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ali Asghar Houshyar, MD located?
The NPPES record lists a practice address at 1275 N Rose Dr, Placentia, CA, 92870. Phone: (714) 524-3880. Providers update this record themselves, so call before visiting.
How can I verify Ali Asghar Houshyar, MD's license?
NPPES lists California license number A53412, 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 Ali Asghar Houshyar, MD prescribe under Medicare Part D?
In 2024, Ali Asghar Houshyar, MD had 944 Medicare Part D claims for 258 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.