Doctor profile · Federal record
Dr. Dean Williams, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Erie, CO
- NPI 1104841501
- Accepts Medicare
- 32 yrs in practice
- Licensed in 9 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4943 State Highway 52 Ste 100
Erie, CO 805149101
(720) 505-1753 - Mailing address
-
Po Box 252
Erie, CO 805160252
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 3, 2022
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (9)
- Colorado #48666 · Illinois #036-105493 · Tennessee #031229 · Pennsylvania #MD418570 · West Virginia #18584 · Nebraska #26916 · North Dakota #15305 · Wisconsin #61394-20 · Iowa #MD-48063
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104841501. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
197
Distinct HCPCS
5
Medicare allowed
$26,101
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 95 | 95 | $163 | |
99284 |
Emergency department visit with moderate level of medical decision making | 48 | 48 | $112 | |
99283 |
Emergency department visit with low level of medical decision making | 25 | 25 | $66 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 15 | $91 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $158 |
In context: peer comparison
Among 1 peers in Erie Emergency Medicine Physician, average services per provider: 39. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
15
Patients
15
Total drug cost
$101
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 15 | 15 | $101 |
Hospital affiliations
Frequently asked questions
What is Dr. Dean Williams's medical specialty?
Dr. Dean Williams practices Emergency Medicine Physician in Erie, CO.
Where does Dr. Dean Williams practice?
Dr. Dean Williams practices at 4943 State Highway 52 Ste 100, Erie, CO 805149101. Office phone: 7205051753.
What is Dr. Dean Williams's NPI?
Dr. Dean Williams's National Provider Identifier (NPI) is 1104841501, issued by NPPES.
Does Dr. Dean Williams accept Medicare assignment?
Yes. Dr. Dean Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dean Williams 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); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.