Doctor profile · Federal record

Dr. Christopher Wilhelmson, M.D.

Surgery Physician (CMS: General Surgery) · Surgical Critical Care Physician · Trauma Surgery Physician · Battle Creek, MI

  • NPI 1083608434
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
363 Fremont St Ste 308A
Battle Creek, MI 490173391
(269) 245-8310
fax (269) 245-8345
Additional location
363 Fremont St, Suite 208
Battle Creek, MI 490173389
Mailing address
363 Fremont St, Suite 208
Battle Creek, MI 490173389

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 27, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Michigan #CW066619
Medicaid
MI #4589737

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083608434. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
221
Distinct HCPCS
8
Medicare allowed
$20,321
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 91 69 $77
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 29 $114
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $81
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $131
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 16 15 $49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 14 $128
99212 Established patient office or other outpatient visit, 10-19 minutes 14 11 $35
45380 Biopsy of large bowel using a flexible endoscope 12 12 $180

In context: peer comparison

Among 2 peers in Battle Creek Surgery Physician, average services per provider: 29. This provider delivers 7.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
13
Total drug cost
$188
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 18 0 $146
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $42

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Wilhelmson's medical specialty?
Dr. Christopher Wilhelmson practices Surgery Physician in Battle Creek, MI.
Where does Dr. Christopher Wilhelmson practice?
Dr. Christopher Wilhelmson practices at 363 Fremont St Ste 308A, Battle Creek, MI 490173391. Office phone: 2692458310.
What is Dr. Christopher Wilhelmson's NPI?
Dr. Christopher Wilhelmson's National Provider Identifier (NPI) is 1083608434, issued by NPPES.
Does Dr. Christopher Wilhelmson accept Medicare assignment?
Yes. Dr. Christopher Wilhelmson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Wilhelmson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.