Ricardo Castillo, DO
NPI 1740287440 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ricardo Castillo, DO is a Family Medicine Physician provider in San Antonio, TX (NPI 1740287440).
Provider details
- NPI number
- 1740287440
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- H5225 (TX)
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
353 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 225 | $86 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 91 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 22 | $14 |
| Administration of Influenza Virus VaccineG0008 | 15 | $31 |
Typical Medicare-allowed amounts for these services range $9–$86 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 547 | 184 |
| Levothyroxine Sodium | 447 | 144 |
| Amlodipine Besylate | 379 | 137 |
| Losartan Potassium | 346 | 124 |
| Rosuvastatin Calcium | 297 | 109 |
| Lisinopril | 264 | 88 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2024-02-22
- Certified
- 2024-02-22
Frequently asked questions
- What is Ricardo Castillo's NPI number?
- Ricardo Castillo's National Provider Identifier (NPI) is 1740287440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ricardo Castillo's specialty?
- Ricardo Castillo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ricardo Castillo located?
- Ricardo Castillo's practice location on file with NPPES is 19114 US Highway 281 N, San Antonio, TX 78258-4988.
- What is Ricardo Castillo's phone number?
- The practice phone number listed in the NPPES registry for Ricardo Castillo is (210) 496-7999.
- Does Ricardo Castillo accept Medicare?
- Ricardo Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ricardo Castillo's NPI active?
- Yes — Ricardo Castillo's NPI (1740287440) is active in the NPPES registry as of the last update on 2024-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.