Doctor profile · Federal record
Dr. Geffrey Cavallin, MD
Hospitalist Physician (CMS: Internal Medicine) · Green Bay, WI
- NPI 1225061625
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
835 S van Buren St
Green Bay, WI 543013526
(920) 496-4700
fax (920) 431-3267
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 8, 2019
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Wisconsin #42743
- Medicaid
- WI #34031700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225061625. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
197
Distinct HCPCS
3
Medicare allowed
$24,803
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 168 | 161 | $124 | |
99291 |
Critical care, first 30-74 minutes | 16 | 16 | $189 | |
36556 |
Insertion of non-tunneled central venous tube for infusion (5 years or older) | 13 | 11 | $78 |
In context: peer comparison
Among 21 peers in Green Bay Hospitalist Physician, average services per provider: 97. This provider delivers 2.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Geffrey Cavallin's medical specialty?
Dr. Geffrey Cavallin practices Hospitalist Physician in Green Bay, WI.
Where does Dr. Geffrey Cavallin practice?
Dr. Geffrey Cavallin practices at 835 S van Buren St, Green Bay, WI 543013526. Office phone: 9204964700.
What is Dr. Geffrey Cavallin's NPI?
Dr. Geffrey Cavallin's National Provider Identifier (NPI) is 1225061625, issued by NPPES.
Does Dr. Geffrey Cavallin accept Medicare assignment?
Yes. Dr. Geffrey Cavallin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geffrey Cavallin commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.