Doctor profile · Federal record

Dr. Gregory Schrock, MD

Anesthesiology Physician (CMS: Anesthesiology) · Kalamazoo, MI

  • NPI 1255306445
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 Peeler St
Kalamazoo, MI 490082380
(269) 345-8618
fax (269) 345-1508

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Michigan #4301069328
Medicaid (2)
MI #3378317 · MI #4869070

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255306445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
5
Medicare allowed
$8,938
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 42 41 $67
00142 Anesthesia for lens surgery 38 34 $59
00811 Anesthesia for other procedure on large bowel using an endoscope 24 24 $65
36620 Insertion of artery tube for blood sampling or infusion through skin 22 22 $43
01922 Anesthesia for x-ray or radiation therapy 14 14 $96

In context: peer comparison

Among 15 peers in Kalamazoo Anesthesiology Physician, average services per provider: 25. This provider delivers 5.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Schrock's medical specialty?
Dr. Gregory Schrock practices Anesthesiology Physician in Kalamazoo, MI.
Where does Dr. Gregory Schrock practice?
Dr. Gregory Schrock practices at 900 Peeler St, Kalamazoo, MI 490082380. Office phone: 2693458618.
What is Dr. Gregory Schrock's NPI?
Dr. Gregory Schrock's National Provider Identifier (NPI) is 1255306445, issued by NPPES.
Does Dr. Gregory Schrock accept Medicare assignment?
Yes. Dr. Gregory Schrock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Schrock commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.