Gary Fontan, MD
NPI 1760482731 · Family Medicine Physician · Chino Hills, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Fontan, MD is a Family Medicine Physician provider in Chino Hills, CA (NPI 1760482731).
Provider details
- NPI number
- 1760482731
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A39054 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 391 | 149 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 314 | 54 |
| Losartan Potassium | 277 | 108 |
| Levothyroxine Sodium | 218 | 75 |
| Amlodipine Besylate | 206 | 88 |
| Lisinopril | 179 | 69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2023-03-07
- Certified
- 2021-12-09
Frequently asked questions
- What is Gary Fontan's NPI number?
- Gary Fontan's National Provider Identifier (NPI) is 1760482731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Fontan's specialty?
- Gary Fontan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Fontan located?
- Gary Fontan's practice location on file with NPPES is 2140 Grand Ave, Chino Hills, CA 91709-6800.
- What is Gary Fontan's phone number?
- The practice phone number listed in the NPPES registry for Gary Fontan is (909) 630-7875.
- Does Gary Fontan accept Medicare?
- Gary Fontan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Fontan's NPI active?
- Yes — Gary Fontan's NPI (1760482731) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.