Mehran Rouhani Sisan, M.D.
Internal Medicine Physician · La Habra, CA
Mehran Rouhani Sisan, M.D. is an internal medicine physician with a practice address in La Habra, California, and NPI 1841579489, issued on Aug 14, 2011. Check the license (California A126959, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mehran Rouhani Sisan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A126959 CA
Self-reported in NPPES; status is on the state search - Practice location
- 501 S Idaho St, La Habra, CA 90631
- Phone
- (562) 690-0400
- Enumerated
- Aug 14, 2011
- Record last updated
- Nov 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (562) 501-1198
- Medicare enrollment
- Enrolled (PECOS I20141013000553); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 501 S Idaho St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kevin GanInternal Medicine Physician1508286915
- Frances Gerard Genil, MDInternal Medicine Physician1215670153
- Ifunanya Ifeacho, FNPFamily Nurse Practitioner1699285064
Verify Mehran Rouhani Sisan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,177 Medicare Part D claims for 180 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 58 claims were for opioids.
Most prescribed
- Atorvastatin Calcium204 claims
- Losartan Potassium103 claims
- Amlodipine Besylate95 claims
- Levothyroxine Sodium94 claims
- Metformin Hcl92 claims
- Fluoxetine Hcl60 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: $29.67
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
Bills Medicare through one group practice
- Friends OF Family Health CenterLa Habra, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mehran Rouhani Sisan among 17,696 internal medicine physician records in California
Mehran Rouhani Sisan, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in La Habra
They are 9 of the 543 NPPES records with a practice address in La Habra, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in La Habra → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Simon Baek, M.D.La Habra, CA 906311821316209
- Kevin GanLa Habra, CA 906311508286915
- Frances Gerard Genil, MDLa Habra, CA 906311215670153
- Shubhangi Godbole, M.D.La Habra, CA 906311316042567
- Maryam Haghnegahdar, MDLa Habra, CA 906311992278949
- Kavosh Rahimi, MDLa Habra, CA 906311841556818
- Minh Trang Tran, MDLa Habra, CA 906311841827409
- Daniel Uribe, MDLa Habra, CA 906311922049279
Common questions
What is Mehran Rouhani Sisan, M.D.'s NPI number?
Mehran Rouhani Sisan, M.D.'s National Provider Identifier (NPI) is 1841579489, issued on Aug 14, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mehran Rouhani Sisan, M.D. located?
The NPPES record lists a practice address at 501 S Idaho St, La Habra, CA, 90631. Phone: (562) 690-0400. Providers update this record themselves, so call before visiting.
How can I verify Mehran Rouhani Sisan, M.D.'s license?
NPPES lists California license number A126959, 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 Mehran Rouhani Sisan, M.D. prescribe under Medicare Part D?
In 2024, Mehran Rouhani Sisan, M.D. had 2,177 Medicare Part D claims for 180 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.