Doctor profile · Federal record
Dr. Frederick Gehrmann, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Marshfield, WI
- NPI 1861480055
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511 - Additional location
-
800 East Carpenter Street, Room 2K64
Springfield, IL 627690001
(217) 525-5643
fax (217) 544-2521
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 18, 2024
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Illinois #036091107 · Wisconsin #1879
- Medicaid
- IL #036091107
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861480055. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
23
Distinct HCPCS
2
Medicare allowed
$1,413
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 12 | 11 | $42 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | 11 | $83 |
In context: peer comparison
Among 5 peers in Marshfield Anesthesiology Physician, average services per provider: 19. This provider delivers 1.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Frederick Gehrmann's medical specialty?
Dr. Frederick Gehrmann practices Anesthesiology Physician in Marshfield, WI.
Where does Dr. Frederick Gehrmann practice?
Dr. Frederick Gehrmann practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 7153875511.
What is Dr. Frederick Gehrmann's NPI?
Dr. Frederick Gehrmann's National Provider Identifier (NPI) is 1861480055, issued by NPPES.
Does Dr. Frederick Gehrmann accept Medicare assignment?
Yes. Dr. Frederick Gehrmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederick Gehrmann commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.