Doctor profile · Federal record
Dr. John Thieszen, M.D.
Hospitalist Physician · Internal Medicine Physician · Internal Medicine Physician · Billings, MT
- NPI 1285667816
- MIPS 78.3 / 100 · 2023
- 20 yrs on file
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3528 Gabel RD
Billings, MT 591027307
(970) 391-0572
fax (815) 377-2580 - Mailing address
-
1281 E Magnolia St, Suite D199
Fort Collins, CO 805244796
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 6, 2010
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (2)
- Colorado #47210 · Wisconsin #47877-020
- Medicaid
- CO #60427876
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285667816. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,254
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99239 |
Hospital discharge day management, more than 30 minutes | 11 | 11 | $114 |
In context: peer comparison
Among 7 peers in Billings Hospitalist Physician, average services per provider: 87. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$176
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Indivior INC. | 1 | $93.39 | |
| Otsuka America Pharmaceutical, INC. | 3 | $82.38 |
By nature of payment
Frequently asked questions
What is Dr. John Thieszen's medical specialty?
Dr. John Thieszen practices Hospitalist Physician in Billings, MT.
Where does Dr. John Thieszen practice?
Dr. John Thieszen practices at 3528 Gabel RD, Billings, MT 591027307. Office phone: 9703910572.
What is Dr. John Thieszen's NPI?
Dr. John Thieszen's National Provider Identifier (NPI) is 1285667816, issued by NPPES.
What procedures does Dr. John Thieszen commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.