Patrick Avanessian, M.D.
Student in an Organized Health Care Education/Training Program · Fontana, CA
Patrick Avanessian, M.D. is a student in an organized health care education/training program with a practice address in Fontana, California, and NPI 1235480443, issued on Sep 27, 2012. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Patrick Avanessian
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5084
- Enumerated
- Sep 27, 2012
- Record last updated
- Oct 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150312000006); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Patrick Avanessian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14.5 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
2,690 Medicare Part D claims for 531 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium276 claims
- Lisinopril139 claims
- Losartan Potassium106 claims
- Amlodipine Besylate96 claims
- Levothyroxine Sodium81 claims
- Metformin Hcl70 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
- Southern California Permanente Medical GroupGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Avanessian among 40,652 student in an organized health care education/training program records in California
Patrick Avanessian, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% 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 5% of them.
- NPI issued2012 · 5% of these records are older, 93% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 6% of these records are
- Graduated2011 · median 2017 among the 2,409 with a school on file
- Record last updated2021 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
193 student in an organized health care education/training program records list a practice address in Fontana
They are 193 of the 3,012 NPPES records with a practice address in Fontana, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Fontana → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Peyman Andalib, MDFontana, CA 923351104028000
- Javier Blanco, MDFontana, CA 923351346673001
- Jaimeet Chhabra, D.O.Fontana, CA 923351255657953
- Andrew Choung, M.D.Fontana, CA 923351033559976
- Ershad Forghani-Arani, D.O.Fontana, CA 923351538508445
- Adriana Gonzalez, DOFontana, CA 923351447662267
- Alina Lubag, MDFontana, CA 923351972997278
- Aster Mahmood, MDFontana, CA 923351740468859
Common questions
What is Patrick Avanessian, M.D.'s NPI number?
Patrick Avanessian, M.D.'s National Provider Identifier (NPI) is 1235480443, issued on Sep 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Avanessian, M.D. located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5084. Providers update this record themselves, so call before visiting.
How can I verify Patrick Avanessian, M.D.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Patrick Avanessian, M.D. prescribe under Medicare Part D?
In 2024, Patrick Avanessian, M.D. had 2,690 Medicare Part D claims for 531 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.