Doctor profile · Federal record
Dr. Thomas Keown, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Vacaville, CA
- NPI 1992368781
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1 Quality Dr
Vacaville, CA 956889494
(707) 624-2600 - Additional location
-
975 Sereno Dr
Vallejo, CA 945892441
(707) 651-1025
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- July 12, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A176080
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992368781. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21
Distinct HCPCS
1
Medicare allowed
$3,822
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 21 | 21 | $182 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 31. This provider delivers 0.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
226
Patients
218
Total drug cost
$2,574
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 32 | 32 | $201 |
| Ondansetron Odt (Ondansetron) | Brand | 28 | 27 | $175 |
| Cefadroxil | Generic | 23 | 23 | $350 |
| Prednisone | Generic | 21 | 21 | $160 |
| Cefpodoxime Proxetil | Generic | 20 | 20 | $579 |
| Ciprofloxacin Hcl | Generic | 17 | 17 | $140 |
| Doxycycline Monohydrate | Generic | 17 | 16 | $157 |
| Tamsulosin Hcl | Generic | 16 | 12 | $135 |
| Amoxicillin | Generic | 14 | 13 | $177 |
| Ibuprofen | Generic | 14 | 14 | $106 |
Frequently asked questions
What is Dr. Thomas Keown's medical specialty?
Dr. Thomas Keown practices Emergency Medicine Physician in Vacaville, CA.
Where does Dr. Thomas Keown practice?
Dr. Thomas Keown practices at 1 Quality Dr, Vacaville, CA 956889494. Office phone: 7076242600.
What is Dr. Thomas Keown's NPI?
Dr. Thomas Keown's National Provider Identifier (NPI) is 1992368781, issued by NPPES.
Does Dr. Thomas Keown accept Medicare assignment?
Yes. Dr. Thomas Keown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Keown commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.