Doctor profile · Federal record

Dr. Ganna Oosting, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Two Rivers, WI

  • NPI 1861500886
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5000 Memorial Dr
Two Rivers, WI 542413900
(920) 794-5000
Additional location
2414 Kohler Memorial Dr, Aurora Sheboygan Clinic/Hospitalist Group
Sheboygan, WI 530813129
(920) 459-1803
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 27, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Wisconsin #45000
Medicaid
WI #34342900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861500886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
126
Distinct HCPCS
3
Medicare allowed
$14,148
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 66 62 $163
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 35 28 $8
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 25 $124

In context: peer comparison

Among 3 peers in Two Rivers Hospitalist Physician, average services per provider: 94. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$3,931
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 14 0 $3,931

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ganna Oosting's medical specialty?
Dr. Ganna Oosting practices Hospitalist Physician in Two Rivers, WI.
Where does Dr. Ganna Oosting practice?
Dr. Ganna Oosting practices at 5000 Memorial Dr, Two Rivers, WI 542413900. Office phone: 9207945000.
What is Dr. Ganna Oosting's NPI?
Dr. Ganna Oosting's National Provider Identifier (NPI) is 1861500886, issued by NPPES.
Does Dr. Ganna Oosting accept Medicare assignment?
Yes. Dr. Ganna Oosting accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ganna Oosting commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.