Doctor profile · Federal record

Dr. Christian Ertl, MD

Surgery Physician (CMS: General Surgery) · Kalamazoo, MI

  • NPI 1881691178
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Oakland Dr
Kalamazoo, MI 490081282
(269) 337-6260
fax (269) 337-6530

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 15, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Michigan #4301093343
Medicaid
MI #1881691178

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881691178. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
224
Distinct HCPCS
8
Medicare allowed
$19,758
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 76 49 $48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $128
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 25 22 $78
99212 Established patient office or other outpatient visit, 10-19 minutes 24 15 $35
99291 Critical care, first 30-74 minutes 24 17 $196
99213 Established patient office or other outpatient visit, 20-29 minutes 20 16 $65
99239 Hospital discharge day management, more than 30 minutes 16 16 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $171

In context: peer comparison

Among 11 peers in Kalamazoo Surgery Physician, average services per provider: 37. This provider delivers 6.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Checkpoint Surgical, INC 1 $120.01
Novo Nordisk INC 1 $19.18

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
37
Patients
0
Total drug cost
$289
Drug Type Claims Patients Total cost
Gabapentin Generic 14 0 $168
Oxycodone Hcl Generic 12 0 $60
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $61

Frequently asked questions

Auto-generated from federal data
What is Dr. Christian Ertl's medical specialty?
Dr. Christian Ertl practices Surgery Physician in Kalamazoo, MI.
Where does Dr. Christian Ertl practice?
Dr. Christian Ertl practices at 1000 Oakland Dr, Kalamazoo, MI 490081282. Office phone: 2693376260.
What is Dr. Christian Ertl's NPI?
Dr. Christian Ertl's National Provider Identifier (NPI) is 1881691178, issued by NPPES.
Does Dr. Christian Ertl accept Medicare assignment?
Yes. Dr. Christian Ertl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Ertl commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.