Doctor profile · Federal record
Dr. Heidi Twedt, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Madison, WI
- NPI 1861414435
- Accepts Medicare
- 30 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
451 Junction RD
Madison, WI 537172656
(608) 265-7550 - Mailing address
-
7974 Uw Health CT
Middleton, WI 535625531
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 18, 2021
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (3)
- Wisconsin #74374 · North Dakota #7783 · Minnesota #41756
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861414435. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
67
Distinct HCPCS
2
Medicare allowed
$4,821
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 45 | 43 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 22 | $92 |
In context: peer comparison
Among 76 peers in Madison Internal Medicine Physician, average services per provider: 80. This provider delivers 0.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Heidi Twedt's medical specialty?
Dr. Heidi Twedt practices Internal Medicine Physician in Madison, WI.
Where does Dr. Heidi Twedt practice?
Dr. Heidi Twedt practices at 451 Junction RD, Madison, WI 537172656. Office phone: 6082657550.
What is Dr. Heidi Twedt's NPI?
Dr. Heidi Twedt's National Provider Identifier (NPI) is 1861414435, issued by NPPES.
Does Dr. Heidi Twedt accept Medicare assignment?
Yes. Dr. Heidi Twedt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Twedt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.