Doctor profile · Federal record
Dr. Mark Twesme, PA
Physician Assistant · Physician Assistant · Surgical Physician Assistant · Eau Claire, WI
- NPI 1922258102
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1400 Bellinger St
Eau Claire, WI 547035222
(715) 838-5222 - Additional location
-
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000 - Mailing address
-
Po Box 1510
Eau Claire, WI 547021510
Credentials & registration
- NPI registered
- September 2008 — 18 yrs on file
- Profile last updated
- September 28, 2022
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- Wisconsin #2343 · Arizona #9146
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922258102. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
23
Distinct HCPCS
2
Medicare allowed
$1,149
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99239 |
Hospital discharge day management, more than 30 minutes | 12 | 12 | $94 | |
33508 |
Harvest of vein using an endoscope | 11 | 11 | $2 |
In context: peer comparison
Among 45 peers in this city , average services per provider: 66. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$59
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medical Device Business Services, Inc. | 1 | $58.82 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Mark Twesme's medical specialty?
Dr. Mark Twesme practices Physician Assistant in Eau Claire, WI.
Where does Dr. Mark Twesme practice?
Dr. Mark Twesme practices at 1400 Bellinger St, Eau Claire, WI 547035222. Office phone: 7158385222.
What is Dr. Mark Twesme's NPI?
Dr. Mark Twesme's National Provider Identifier (NPI) is 1922258102, issued by NPPES.
Does Dr. Mark Twesme accept Medicare assignment?
Yes. Dr. Mark Twesme accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Twesme commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239); Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.