Patrick Avanessian, M.D.
NPI 1235480443 · Student in an Organized Health Care Education/Training Program · Fontana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Avanessian, M.D. is a Student in an Organized Health Care Education/Training Program provider in Fontana, CA (NPI 1235480443).
Provider details
- NPI number
- 1235480443
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 276 | 124 |
| Lisinopril | 139 | 55 |
| Losartan Potassium | 106 | 42 |
| Amlodipine Besylate | 96 | 44 |
| Levothyroxine Sodium | 81 | 29 |
| Metformin Hcl | 70 | 28 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-27
- Last updated
- 2021-10-18
- Certified
- 2021-10-18
Frequently asked questions
- What is Patrick Avanessian's NPI number?
- Patrick Avanessian's National Provider Identifier (NPI) is 1235480443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Avanessian's specialty?
- Patrick Avanessian is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Patrick Avanessian located?
- Patrick Avanessian's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Patrick Avanessian's phone number?
- The practice phone number listed in the NPPES registry for Patrick Avanessian is (909) 427-5084.
- Does Patrick Avanessian accept Medicare?
- Patrick Avanessian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Avanessian's NPI active?
- Yes — Patrick Avanessian's NPI (1235480443) is active in the NPPES registry as of the last update on 2021-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.