Doctor profile · Federal record

Dr. Mark Grathwohl, M.D.

Specialist · Mount Kisco, NY

  • NPI 1386617363
  • MIPS 85.0 / 100 · 2023
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 E Main St, Westchester Pathology Associates
Mount Kisco, NY 105493417
(845) 562-7995
Mailing address
10 Louise Dr
New Windsor, NY 125537712

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
December 31, 2013
Specialty taxonomy
174400000X — NUCC code
State license (1)
New York #172619-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386617363. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,516
Distinct HCPCS
10
Medicare allowed
$63,853
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 741 317 $40
88341 Special stained specimen slides to examine tissue, each additional procedure 150 42 $31
88307 Pathology examination of tissue using a microscope, moderately high complexity 136 46 $90
88312 Special stained specimen slides to identify organisms including interpretation and report 132 90 $29
88360 Microscopic genetic analysis of tumor, manual 100 27 $45
88342 Special stained specimen slides to examine tissue, initial procedure 83 55 $38
88304 Pathology examination of tissue using a microscope, moderately low complexity 55 46 $13
88311 Preparation of tissue for examination by removing any calcium present 29 26 $14
88112 Cell examination of specimen, selective cellular enhancement technique 27 25 $30
88333 Pathology cytologic examination of specimen during surgery, initial site 23 23 $68

In context: peer comparison

Among 2 peers in this city , average services per provider: 111. This provider delivers 14× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Grathwohl's medical specialty?
Dr. Mark Grathwohl practices Specialist in Mount Kisco, NY.
Where does Dr. Mark Grathwohl practice?
Dr. Mark Grathwohl practices at 400 E Main St, Mount Kisco, NY 105493417. Office phone: 8455627995.
What is Dr. Mark Grathwohl's NPI?
Dr. Mark Grathwohl's National Provider Identifier (NPI) is 1386617363, issued by NPPES.
What procedures does Dr. Mark Grathwohl 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.