Doctor profile · Federal record

Dr. Mark Brownell, MD

Anatomic Pathology Physician (CMS: Pathology) · Hematology (Pathology) Physician · Columbus, OH

  • NPI 1174525000
  • Accepts Medicare
  • MIPS 83.3 / 100 · 2023
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3535 Olentangy River RD, Rmh Pathology Dept - Corpath
Columbus, OH 432143908
(614) 566-4945
fax (614) 263-1056
Mailing address
Po Box 20452, Corpath-Cred
Columbus, OH 432200452

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
May 1, 2023
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
Ohio #35055158
Medicaid
OH #0679645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174525000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,682
Distinct HCPCS
10
Medicare allowed
$104,000
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 692 403 $35
84165 Protein measurement, serum 577 525 $17
88341 Special stained specimen slides to examine tissue, each additional procedure 573 148 $26
86334 Immunologic analysis technique on serum (immunofixation) 544 499 $17
85060 Blood smear interpretation by physician with written report 242 228 $23
88342 Special stained specimen slides to examine tissue, initial procedure 193 178 $32
88307 Pathology examination of tissue using a microscope, moderately high complexity 130 80 $76
86335 Immunologic analysis technique on body fluid, other fluids with concentration 103 100 $17
88360 Microscopic genetic analysis of tumor, manual 103 35 $39
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers 91 85 $59

In context: peer comparison

Among 1 peers in Columbus Anatomic Pathology Physician, average services per provider: 175. This provider delivers 21× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Brownell's medical specialty?
Dr. Mark Brownell practices Anatomic Pathology Physician in Columbus, OH.
Where does Dr. Mark Brownell practice?
Dr. Mark Brownell practices at 3535 Olentangy River RD, Columbus, OH 432143908. Office phone: 6145664945.
What is Dr. Mark Brownell's NPI?
Dr. Mark Brownell's National Provider Identifier (NPI) is 1174525000, issued by NPPES.
Does Dr. Mark Brownell accept Medicare assignment?
Yes. Dr. Mark Brownell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Brownell commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Protein measurement, serum (HCPCS 84165); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.