Doctor profile · Federal record

Dr. Mason Hartzler, PA-C

Physician Assistant · Fairlawn, OH

  • NPI 1184285645
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3378 W Market St
Fairlawn, OH 443333306
(330) 576-3500
Mailing address
8586 Benner RD
Marshallville, OH 446459310

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
January 4, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Ohio #50.006003RX

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184285645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,344
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 13 11 $103

In context: peer comparison

Among 8 peers in this city , average services per provider: 98. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 2 $47.02
Lilly USA, LLC 1 $23.19
Lundbeck LLC 1 $19.22
Cycle Pharmaceuticals Inc 1 $18.38
Neurocrine Biosciences, Inc. 1 $16.48
Stryker Corporation 1 $15.06

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
131
Patients
121
Total drug cost
$1,831
Drug Type Claims Patients Total cost
Tizanidine Hcl Generic 58 49 $255
Oxycodone Hcl Generic 44 43 $239
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 15 15 $124
Naloxone Hcl Generic 14 14 $1,213

Frequently asked questions

Auto-generated from federal data
What is Dr. Mason Hartzler's medical specialty?
Dr. Mason Hartzler practices Physician Assistant in Fairlawn, OH.
Where does Dr. Mason Hartzler practice?
Dr. Mason Hartzler practices at 3378 W Market St, Fairlawn, OH 443333306. Office phone: 3305763500.
What is Dr. Mason Hartzler's NPI?
Dr. Mason Hartzler's National Provider Identifier (NPI) is 1184285645, issued by NPPES.
Does Dr. Mason Hartzler accept Medicare assignment?
Yes. Dr. Mason Hartzler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mason Hartzler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.