Patricio Clavecillas, MD
NPI 1336435817 · Family Medicine Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricio Clavecillas, MD is a Family Medicine Physician provider in Modesto, CA (NPI 1336435817).
Provider details
- NPI number
- 1336435817
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 359 | 124 |
| Amlodipine Besylate | 219 | 83 |
| Losartan Potassium | 213 | 74 |
| Levothyroxine Sodium | 172 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 132 | 65 |
| Gabapentin | 128 | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-23
- Last updated
- 2021-12-17
- Certified
- 2021-03-30
Frequently asked questions
- What is Patricio Clavecillas's NPI number?
- Patricio Clavecillas's National Provider Identifier (NPI) is 1336435817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricio Clavecillas's specialty?
- Patricio Clavecillas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patricio Clavecillas located?
- Patricio Clavecillas's practice location on file with NPPES is 401 Paradise Rd, Modesto, CA 95351-3163.
- What is Patricio Clavecillas's phone number?
- The practice phone number listed in the NPPES registry for Patricio Clavecillas is (209) 558-4000.
- Does Patricio Clavecillas accept Medicare?
- Patricio Clavecillas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricio Clavecillas's NPI active?
- Yes — Patricio Clavecillas's NPI (1336435817) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.