Alireza Hosseini, MD
Endocrinology, Diabetes & Metabolism Physician · Mission Viejo, CA
Alireza Hosseini, MD is an endocrinology, diabetes & metabolism physician with a practice address in Mission Viejo, California, and NPI 1629324140, issued on Aug 2, 2012. Check the license (California A142579, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alireza Hosseini
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A142579 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25982 Pala Ste 140, Mission Viejo, CA 92691
- Phone
- (310) 328-6837
- Enumerated
- Aug 2, 2012
- Record last updated
- Feb 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170512001539); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Alireza Hosseini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A142579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,883 Medicare Part D claims for 607 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Ozempic503 claims
- Levothyroxine Sodium448 claims
- Jardiance291 claims
- Metformin Hcl266 claims
- Pioglitazone Hcl169 claims
- Mounjaro145 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: $1,185.35
53 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Bills Medicare through 3 group practices
- Adventist Health Medical Center TehachapiTehachapi, CA
- Northern Inyo Healthcare DistrictBishop, CA
- Ukiah Adventist HospitalUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alireza Hosseini among 1,131 endocrinology, diabetes & metabolism physician records in California
Alireza Hosseini, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2000 · median 2003 among the 779 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Mission Viejo → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Joseph Barrera, M.D.Mission Viejo, CA 926911629054630
- Jessica Chan, MDMission Viejo, CA 926911275927485
- Lisa Dao, MDMission Viejo, CA 926911114422730
- Karen Frankwich, MDMission Viejo, CA 926911316100415
- Mim Mulford, M.D.Mission Viejo, CA 926911235116542
- Erene Sami, M.D.Mission Viejo, CA 926911023335817
- Helen Stosel, M.D.Mission Viejo, CA 926911952337362
- Neil Tran, MDMission Viejo, CA 926911316096688
Common questions
What is Alireza Hosseini, MD's NPI number?
Alireza Hosseini, MD's National Provider Identifier (NPI) is 1629324140, issued on Aug 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Alireza Hosseini, MD located?
The NPPES record lists a practice address at 25982 Pala Ste 140, Mission Viejo, CA, 92691. Phone: (310) 328-6837. Providers update this record themselves, so call before visiting.
How can I verify Alireza Hosseini, MD's license?
NPPES lists California license number A142579, 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 Alireza Hosseini, MD prescribe under Medicare Part D?
In 2024, Alireza Hosseini, MD had 3,883 Medicare Part D claims for 607 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.