Francisco Marquez, M.D.
NPI 1316190747 · Internal Medicine Physician · San Marcos, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francisco Marquez, M.D. is a Internal Medicine Physician provider in San Marcos, CA (NPI 1316190747).
Provider details
- NPI number
- 1316190747
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A113347 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 524 | 188 |
| Lisinopril | 376 | 137 |
| Amlodipine Besylate | 327 | 113 |
| Losartan Potassium | 326 | 126 |
| Rosuvastatin Calcium | 287 | 111 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 264 | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-29
- Last updated
- 2021-10-16
- Certified
- 2021-10-16
Frequently asked questions
- What is Francisco Marquez's NPI number?
- Francisco Marquez's National Provider Identifier (NPI) is 1316190747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francisco Marquez's specialty?
- Francisco Marquez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francisco Marquez located?
- Francisco Marquez's practice location on file with NPPES is 400 Craven Rd, San Marcos, CA 92078-4201.
- What is Francisco Marquez's phone number?
- The practice phone number listed in the NPPES registry for Francisco Marquez is (760) 510-4313.
- Does Francisco Marquez accept Medicare?
- Francisco Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francisco Marquez's NPI active?
- Yes — Francisco Marquez's NPI (1316190747) is active in the NPPES registry as of the last update on 2021-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.