Doctor profile · Federal record

Dr. Grace Herwig, RN, APN

Adult Psychiatric/Mental Health Clinical Nurse Specialist (CMS: Certified Clinical Nurse Specialist (CNS)) · Westlake, OH

  • NPI 1740476548
  • Accepts Medicare
  • 52 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26027 Cobblestone Way
Westlake, OH 441452459
(440) 360-9306
fax (440) 808-8860

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
May 30, 2025
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
364SP0809X — NUCC code
State license (1)
Ohio #RN 099780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740476548. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
1
Medicare allowed
$5,757
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 64 15 $90

In context: peer comparison

Among 1 peers in Westlake Adult Psychiatric/Mental Health Clinical Nurse Specialist, average services per provider: 64. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,010
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 3 $267.85
Abbvie INC. 3 $256.53
Axsome Therapeutics, INC. 3 $242.38
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $123.46
Otsuka America Pharmaceutical, INC. 1 $120.01

By nature of payment

Food and Beverage
$983
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
902
Patients
40
Total drug cost
$33,876
Drug Type Claims Patients Total cost
Clonazepam Generic 129 16 $771
Lamotrigine Generic 92 0 $454
Fluoxetine Hcl Generic 71 0 $1,100
Buspirone Hcl Generic 68 13 $1,401
Lurasidone Hcl Generic 63 0 $17,113
Sertraline Hcl Generic 62 0 $447
Duloxetine Hcl Generic 61 0 $3,170
Alprazolam Generic 58 11 $403
Trazodone Hcl Generic 55 0 $799
Escitalopram Oxalate Generic 50 0 $671

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace Herwig's medical specialty?
Dr. Grace Herwig practices Adult Psychiatric/Mental Health Clinical Nurse Specialist in Westlake, OH.
Where does Dr. Grace Herwig practice?
Dr. Grace Herwig practices at 26027 Cobblestone Way, Westlake, OH 441452459. Office phone: 4403609306.
What is Dr. Grace Herwig's NPI?
Dr. Grace Herwig's National Provider Identifier (NPI) is 1740476548, issued by NPPES.
Does Dr. Grace Herwig accept Medicare assignment?
Yes. Dr. Grace Herwig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grace Herwig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.