Doctor profile · Federal record
Dr. Cynthia Castillo, M.D.
Internal Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Student in an Organized Health Care Education/Training Program · San Antonio, TX
- NPI 1457671018
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4502 Medical Dr
San Antonio, TX 782294402
(210) 358-4000 - Additional location
-
2833 Babcock RD Ste 203
San Antonio, TX 782294894
(210) 705-5100 - Mailing address
-
7703 Floyd Curl Dr
San Antonio, TX 782293901
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- January 25, 2023
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #P6150
- Medicaid
- TX #323790101
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457671018. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
161
Distinct HCPCS
3
Medicare allowed
$19,311
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 111 | 70 | $125 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 28 | 28 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 17 | $88 |
In context: peer comparison
Among 172 peers in San Antonio Internal Medicine Physician, average services per provider: 137. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
287
Patients
73
Total drug cost
$3,079
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 40 | 22 | $373 |
| Lisinopril | Generic | 31 | 16 | $226 |
| Amlodipine Besylate | Generic | 21 | 12 | $149 |
| Hydrochlorothiazide | Generic | 20 | 0 | $106 |
| Levothyroxine Sodium | Generic | 20 | 12 | $250 |
| Metoprolol Tartrate | Generic | 18 | 0 | $44 |
| Metformin Hcl | Generic | 17 | 0 | $138 |
| Montelukast Sodium | Generic | 17 | 0 | $241 |
| Omeprazole | Generic | 17 | 0 | $280 |
| Rosuvastatin Calcium | Generic | 17 | 0 | $299 |
Hospital affiliations
Frequently asked questions
What is Dr. Cynthia Castillo's medical specialty?
Dr. Cynthia Castillo practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Cynthia Castillo practice?
Dr. Cynthia Castillo practices at 4502 Medical Dr, San Antonio, TX 782294402. Office phone: 2103584000.
What is Dr. Cynthia Castillo's NPI?
Dr. Cynthia Castillo's National Provider Identifier (NPI) is 1457671018, issued by NPPES.
Does Dr. Cynthia Castillo accept Medicare assignment?
Yes. Dr. Cynthia Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.