Robert Castillo, M.D.
NPI 1417938994 · Family Medicine Physician · Clovis, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Castillo, M.D. is a Family Medicine Physician provider in Clovis, CA (NPI 1417938994).
Provider details
- NPI number
- 1417938994
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G56119 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,402 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 509 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 476 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 473 | $129 |
| Hemoglobin A1c Level83036 | 197 | $9 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 145 | $3 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 339 | 94 |
| Levothyroxine Sodium | 187 | 44 |
| Metoprolol Succinate | 172 | 48 |
| Losartan Potassium | 165 | 47 |
| Metformin Hcl | 138 | 42 |
| Omeprazole | 113 | 36 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2020-06-02
- Certified
- 2020-06-02
Frequently asked questions
- What is Robert Castillo's NPI number?
- Robert Castillo's National Provider Identifier (NPI) is 1417938994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Castillo's specialty?
- Robert Castillo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Castillo located?
- Robert Castillo's practice location on file with NPPES is 275 W Herndon Ave, Clovis, CA 93612-0204.
- What is Robert Castillo's phone number?
- The practice phone number listed in the NPPES registry for Robert Castillo is (559) 324-6200.
- Does Robert Castillo accept Medicare?
- Robert Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Castillo's NPI active?
- Yes — Robert Castillo's NPI (1417938994) is active in the NPPES registry as of the last update on 2020-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.