Doctor profile · Federal record

Dr. Mark Coslow, PA

Physician Assistant · Marietta, OH

  • NPI 1558433730
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 Matthew St
Marietta, OH 457501635
(740) 374-1400
Mailing address
Po Box 634704
Cincinnati, OH 452630042

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Ohio #50-00-0962

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558433730. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
3
Medicare allowed
$22,213
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 112 111 $152
99284 Emergency department visit with moderate level of medical decision making 37 36 $104
99283 Emergency department visit with low level of medical decision making 22 21 $62

In context: peer comparison

Among 10 peers in this city , average services per provider: 63. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
200
Patients
193
Total drug cost
$1,446
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 42 39 $230
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 36 35 $168
Ondansetron Hcl Generic 25 24 $237
Cephalexin Generic 20 20 $184
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 20 19 $148
Azithromycin Generic 19 18 $87
Prednisone Generic 15 15 $59
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $138
Clindamycin Hcl Generic 11 11 $197

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Coslow's medical specialty?
Dr. Mark Coslow practices Physician Assistant in Marietta, OH.
Where does Dr. Mark Coslow practice?
Dr. Mark Coslow practices at 401 Matthew St, Marietta, OH 457501635. Office phone: 7403741400.
What is Dr. Mark Coslow's NPI?
Dr. Mark Coslow's National Provider Identifier (NPI) is 1558433730, issued by NPPES.
What procedures does Dr. Mark Coslow commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.