Koushan Siami-Namini, MD
Anatomic Pathology & Clinical Pathology Physician · Rancho Mirage, CA
Koushan Siami-Namini, MD is an anatomic pathology & clinical pathology physician with a practice address in Rancho Mirage, California, and NPI 1144253774, issued on Jul 8, 2006. Check the license (California A85655, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Koushan Siami-Namini
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A85655 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39000 Bob Hope Dr, Rancho Mirage, CA 92270
- Phone
- (760) 340-3911
- Enumerated
- Jul 8, 2006
- Record last updated
- Jan 4, 2024
- Fax
- (760) 773-1587
- Medicare enrollment
- Enrolled (PECOS I20070702000679); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 39000 Bob Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
- Mehrdad Abbasi, MDInternal Medicine Physician1477646776
- Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
- Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
- Roux Abubakar, MDHospitalist Physician1982223822
- Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516
Verify Koushan Siami-Namini in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A85655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 91.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Koushan Siami-Namini among 1,554 anatomic pathology & clinical pathology physician records in California
Koushan Siami-Namini, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1991 · median 2003 among the 891 with a school on file
- Record last updated2024 · 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 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Rancho Mirage → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Scott Allen, MDRancho Mirage, CA 922701841436193
- Barbara Comess, MDRancho Mirage, CA 922701396739090
- Dennis Frisman, MDRancho Mirage, CA 922701295729242
- Gabriel Giannini, M.D.Rancho Mirage, CA 922701255785747
- Masoud Movassaghi, MDRancho Mirage, CA 922701861998999
- Thong Nguyen, DORancho Mirage, CA 922701528263175
- Robin Rawson, M.D.Rancho Mirage, CA 922701033479282
- Patti Richardson, MDRancho Mirage, CA 922701598759151
Common questions
What is Koushan Siami-Namini, MD's NPI number?
Koushan Siami-Namini, MD's National Provider Identifier (NPI) is 1144253774, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Koushan Siami-Namini, MD located?
The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 340-3911. Providers update this record themselves, so call before visiting.
How can I verify Koushan Siami-Namini, MD's license?
NPPES lists California license number A85655, 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.
What is Koushan Siami-Namini, MD's MIPS final score?
The 2023 MIPS final score is 91.2 of 100, reported for the practice group. 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.