Doctor profile · Federal record

Dr. Mark Werstler, MSN, APRN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Akron, OH

  • NPI 1114690344
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
340 S Broadway St
Akron, OH 443081529
(330) 253-3100
Mailing address
407 Commonwealth Ave Ne
Massillon, OH 446464525

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Ohio #0029221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114690344. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
1
Medicare allowed
$3,213
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 31 13 $104

In context: peer comparison

Among 12 peers in this city , average services per provider: 45. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$71
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Lundbeck LLC 2 $28.78
Otsuka America Pharmaceutical, Inc. 1 $25.88
Alkermes, Inc. 1 $16.73

By nature of payment

Food and Beverage
$71

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,078
Patients
128
Total drug cost
$143,866
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 140 21 $3,414
Mirtazapine Generic 139 23 $2,544
Lamotrigine Generic 100 13 $1,267
Duloxetine Hcl Generic 96 11 $1,932
Fluoxetine Hcl Generic 81 14 $1,443
Sertraline Hcl Generic 74 14 $633
Benztropine Mesylate Generic 70 0 $705
Trazodone Hcl Generic 64 17 $828
Aripiprazole Generic 57 15 $6,717
Quetiapine Fumarate Generic 51 0 $492

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Werstler's medical specialty?
Dr. Mark Werstler practices Psychiatric/Mental Health Nurse Practitioner in Akron, OH.
Where does Dr. Mark Werstler practice?
Dr. Mark Werstler practices at 340 S Broadway St, Akron, OH 443081529. Office phone: 3302533100.
What is Dr. Mark Werstler's NPI?
Dr. Mark Werstler's National Provider Identifier (NPI) is 1114690344, issued by NPPES.
Does Dr. Mark Werstler accept Medicare assignment?
Yes. Dr. Mark Werstler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Werstler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.