Jose Mario D Fontanilla, M.D.
NPI 1164528469 · Infectious Disease Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jose Mario D Fontanilla, M.D. is a Infectious Disease Physician provider in Roseville, CA (NPI 1164528469).
Provider details
- NPI number
- 1164528469
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 23108 (WV)
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 405 | 356 |
| Atovaquone/Proguanil Hclbrand: Atovaquone-Proguanil Hcl | 150 | 148 |
| Rifampin | 75 | 21 |
| Ethambutol Hcl | 64 | 20 |
| Vancomycin Hcl | 50 | 17 |
| Acetazolamide | 34 | 34 |
| Cephalexin | 21 | — |
| Doxycycline Monohydrate | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2025-01-03
- Certified
- 2025-01-03
Frequently asked questions
- What is Jose Mario D Fontanilla's NPI number?
- Jose Mario D Fontanilla's National Provider Identifier (NPI) is 1164528469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jose Mario D Fontanilla's specialty?
- Jose Mario D Fontanilla is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jose Mario D Fontanilla located?
- Jose Mario D Fontanilla's practice location on file with NPPES is 1600 Eureka Rd, Roseville, CA 95661-3027.
- What is Jose Mario D Fontanilla's phone number?
- The practice phone number listed in the NPPES registry for Jose Mario D Fontanilla is (916) 784-5655.
- Does Jose Mario D Fontanilla accept Medicare?
- Jose Mario D Fontanilla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jose Mario D Fontanilla's NPI active?
- Yes — Jose Mario D Fontanilla's NPI (1164528469) is active in the NPPES registry as of the last update on 2025-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.