Jose R. Cilliani, D.O.
Family Medicine Physician · Santa Ana, CA
Jose R. Cilliani, D.O. is a family medicine physician with a practice address in Santa Ana, California, and NPI 1265545586, issued on Aug 17, 2006. Check the license (California 20A8852, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jose R. Cilliani
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8852 CA
Self-reported in NPPES; status is on the state search - Practice location
- 420 S Bristol St, Santa Ana, CA 92703
- Phone
- (714) 541-5252
- Enumerated
- Aug 17, 2006
- Record last updated
- May 2, 2024
- Fax
- (714) 541-1402
- Medicaid ID
- 00AX88520 CA
- Medicare enrollment
- Enrolled (PECOS I20120207000507); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 420 S Bristol St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Galeana, FNPFamily Nurse Practitioner1811740780
- Diana NguyenPharmacist1093968240
Verify Jose R. Cilliani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,846 Medicare Part D claims for 599 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 18 claims were for opioids.
Most prescribed
- Atorvastatin Calcium819 claims
- Metformin Hcl731 claims
- Losartan Potassium374 claims
- Lisinopril339 claims
- Amlodipine Besylate323 claims
- Pravastatin Sodium281 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 one group practice
- Family Choice Aco IncWestminster, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jose R. Cilliani among 17,133 family medicine physician records in California
Jose R. Cilliani, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ravi BhaktaSanta Ana, CA 927031093248510
- Chun Chiang, M.D.Santa Ana, CA 927031457657710
- Robert Espinoza, M.D.Santa Ana, CA 927031154593069
- Megan Gonzalez, MDSanta Ana, CA 927031912572926
- Thao Hoang, D.O.Santa Ana, CA 927031750348363
- Afram Kallah, MDSanta Ana, CA 927031376586644
- Linda Lin, M.D.Santa Ana, CA 927031194165605
- Tung Nguyen, D.O.Santa Ana, CA 927031285679449
Common questions
What is Jose R. Cilliani, D.O.'s NPI number?
Jose R. Cilliani, D.O.'s National Provider Identifier (NPI) is 1265545586, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jose R. Cilliani, D.O. located?
The NPPES record lists a practice address at 420 S Bristol St, Santa Ana, CA, 92703. Phone: (714) 541-5252. Providers update this record themselves, so call before visiting.
How can I verify Jose R. Cilliani, D.O.'s license?
NPPES lists California license number 20A8852, 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 Jose R. Cilliani, D.O. prescribe under Medicare Part D?
In 2024, Jose R. Cilliani, D.O. had 7,846 Medicare Part D claims for 599 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.