Doctor profile · Federal record

Dr. Christopher Tanner, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Lake Geneva, WI

  • NPI 1619394723
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
N2950 State Road 67
Lake Geneva, WI 531472655
(262) 245-4990
fax (262) 245-2248

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Wisconsin #67231-20 · Illinois #036-141738

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619394723. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
3
Medicare allowed
$8,558
HCPCS Description Services Patients Avg allowed
99283 Emergency department visit with low level of medical decision making 26 26 $69
99285 Emergency department visit with high level of medical decision making 25 25 $168
99284 Emergency department visit with moderate level of medical decision making 22 22 $116

In context: peer comparison

Among 3 peers in this city , average services per provider: 38. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
212
Patients
209
Total drug cost
$1,232
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 55 53 $299
Prednisone Generic 32 32 $61
Ondansetron Odt (Ondansetron) Brand 28 28 $166
Cephalexin Generic 27 26 $170
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $206
Cyclobenzaprine Hcl Generic 19 19 $57
Doxycycline Hyclate Generic 19 19 $175
Azithromycin Generic 12 12 $97

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Tanner's medical specialty?
Dr. Christopher Tanner practices Emergency Medicine Physician in Lake Geneva, WI.
Where does Dr. Christopher Tanner practice?
Dr. Christopher Tanner practices at N2950 State Road 67, Lake Geneva, WI 531472655. Office phone: 2622454990.
What is Dr. Christopher Tanner's NPI?
Dr. Christopher Tanner's National Provider Identifier (NPI) is 1619394723, issued by NPPES.
Does Dr. Christopher Tanner accept Medicare assignment?
Yes. Dr. Christopher Tanner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Tanner commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.