Doctor profile · Federal record
Dr. Andrew Walshak
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Thornton, CO
- NPI 1487662805
- Accepts Medicare
- 28 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9191 Grant St.
Thornton, CO 802298812
(303) 450-4482
fax (303) 306-7753 - Mailing address
-
Po Box 173862
Denver, CO 802173862
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 7, 2015
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Colorado #DR.0053309 · Connecticut #039070
- Medicaid
- CO #18480543
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487662805. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116
Distinct HCPCS
3
Medicare allowed
$19,062
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 72 | 69 | $173 | |
99284 |
Emergency department visit with moderate level of medical decision making | 29 | 27 | $119 | |
99291 |
Critical care, first 30-74 minutes | 15 | 15 | $210 |
In context: peer comparison
Among 9 peers in Thornton Emergency Medicine Physician, average services per provider: 92. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
31
Patients
26
Total drug cost
$107
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 18 | 15 | $32 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 11 | $75 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Walshak's medical specialty?
Dr. Andrew Walshak practices Emergency Medicine Physician in Thornton, CO.
Where does Dr. Andrew Walshak practice?
Dr. Andrew Walshak practices at 9191 Grant St., Thornton, CO 802298812. Office phone: 3034504482.
What is Dr. Andrew Walshak's NPI?
Dr. Andrew Walshak's National Provider Identifier (NPI) is 1487662805, issued by NPPES.
Does Dr. Andrew Walshak accept Medicare assignment?
Yes. Dr. Andrew Walshak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Walshak commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.