Doctor profile · Federal record
Dr. Alejandro Casillas, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Ukiah, CA
- NPI 1376707919
- Accepts Medicare
- 18 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
275 Hospital Dr
Ukiah, CA 954824531
(707) 462-7900
fax (707) 462-7947
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- February 11, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A114918
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376707919. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15
Distinct HCPCS
1
Medicare allowed
$1,098
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $73 |
In context: peer comparison
Among 3 peers in Ukiah Emergency Medicine Physician, average services per provider: 99. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
177
Patients
177
Total drug cost
$1,606
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 36 | 36 | $345 |
| Ondansetron Odt (Ondansetron) | Brand | 32 | 32 | $206 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $177 |
| Doxycycline Monohydrate | Generic | 23 | 23 | $262 |
| Cephalexin | Generic | 21 | 21 | $217 |
| Tizanidine Hcl | Generic | 15 | 15 | $145 |
| Ibuprofen | Generic | 12 | 12 | $92 |
| Cefadroxil | Generic | 11 | 11 | $162 |
Hospital affiliations
Frequently asked questions
What is Dr. Alejandro Casillas's medical specialty?
Dr. Alejandro Casillas practices Emergency Medicine Physician in Ukiah, CA.
Where does Dr. Alejandro Casillas practice?
Dr. Alejandro Casillas practices at 275 Hospital Dr, Ukiah, CA 954824531. Office phone: 7074627900.
What is Dr. Alejandro Casillas's NPI?
Dr. Alejandro Casillas's National Provider Identifier (NPI) is 1376707919, issued by NPPES.
Does Dr. Alejandro Casillas accept Medicare assignment?
Yes. Dr. Alejandro Casillas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alejandro Casillas commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.