Doctor profile · Federal record

Dr. Grant Darkow, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Columbia, MO

  • NPI 1053369876
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Portland St Ste 110
Columbia, MO 652017390
(573) 886-4600
fax (573) 886-4695

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 20, 2022
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Missouri #MDR6P49
Medicaid
MO #206816407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053369876. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,887
Distinct HCPCS
10
Medicare allowed
$130,837
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,650 953 $34
88341 Special stained specimen slides to examine tissue, each additional procedure 471 92 $26
88307 Pathology examination of tissue using a microscope, moderately high complexity 352 162 $76
88342 Special stained specimen slides to examine tissue, initial procedure 335 292 $32
88311 Preparation of tissue for examination by removing any calcium present 260 248 $11
88304 Pathology examination of tissue using a microscope, moderately low complexity 214 193 $10
88300 Pathology examination of tissue using a microscope, limited examination 167 150 $4
88108 Cell examination of specimen, concentration technique 138 98 $21
88313 Special stained specimen slides to examine tissue including interpretation and report 87 29 $11
88173 Evaluation of fine needle aspirate with interpretation and report 64 41 $63

In context: peer comparison

Among 16 peers in Columbia Anatomic Pathology & Clinical Pathology Physician, average services per provider: 160. This provider delivers 24× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grant Darkow's medical specialty?
Dr. Grant Darkow practices Anatomic Pathology & Clinical Pathology Physician in Columbia, MO.
Where does Dr. Grant Darkow practice?
Dr. Grant Darkow practices at 300 Portland St Ste 110, Columbia, MO 652017390. Office phone: 5738864600.
What is Dr. Grant Darkow's NPI?
Dr. Grant Darkow's National Provider Identifier (NPI) is 1053369876, issued by NPPES.
Does Dr. Grant Darkow accept Medicare assignment?
Yes. Dr. Grant Darkow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Darkow commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.