Doctor profile · Federal record
Dr. Diana Shewmaker, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Rochester, MN
- NPI 1245672401
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 1St St Sw
Rochester, MN 55905
(507) 284-2511 - Additional location
-
800 Medical Center Dr
Fairmont, MN 560314575
(507) 238-8100 - Mailing address
-
1025 Marsh St
Mankato, MN 560014752
Credentials & registration
- NPI registered
- July 2013 — 13 yrs on file
- Profile last updated
- October 19, 2020
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Minnesota #58214
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245672401. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
144
Distinct HCPCS
3
Medicare allowed
$24,070
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 111 | 110 | $168 | |
99291 |
Critical care, first 30-74 minutes | 18 | 18 | $206 | |
99284 |
Emergency department visit with moderate level of medical decision making | 15 | 15 | $116 |
In context: peer comparison
Among 41 peers in Rochester Emergency Medicine Physician, average services per provider: 84. This provider delivers 1.7× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Diana Shewmaker's medical specialty?
Dr. Diana Shewmaker practices Emergency Medicine Physician in Rochester, MN.
Where does Dr. Diana Shewmaker practice?
Dr. Diana Shewmaker practices at 200 1St St Sw, Rochester, MN 55905. Office phone: 5072842511.
What is Dr. Diana Shewmaker's NPI?
Dr. Diana Shewmaker's National Provider Identifier (NPI) is 1245672401, issued by NPPES.
Does Dr. Diana Shewmaker accept Medicare assignment?
Yes. Dr. Diana Shewmaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Shewmaker commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.