Doctor profile · Federal record

Dr. Dianne Mawhirter, CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Norwalk, OH

  • NPI 1942314414
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
44 Executive Dr
Norwalk, OH 448579566
(419) 668-4851
fax (419) 663-5146
Mailing address
Po Box 378
Sandusky, OH 448710378

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 20, 2015
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Ohio #NP07472
Medicaid
OH #2425656

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942314414. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
220
Distinct HCPCS
7
Medicare allowed
$17,732
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 106 57 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 38 38 $104
83036 Hemoglobin a1c level 21 13 $10
G0008 Administration of influenza virus vaccine 17 17 $26
99213 Established patient office or other outpatient visit, 20-29 minutes 14 12 $73
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 13 13 $70
G0009 Administration of pneumococcal vaccine 11 11 $27

In context: peer comparison

Among 6 peers in Norwalk Family Nurse Practitioner, average services per provider: 46. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$342
Transactions
18
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $80.98
Novo Nordisk INC 3 $55.46
Takeda Pharmaceuticals U.S.A., INC. 2 $33.98
Corium, LLC 1 $30.67
Pfizer INC. 1 $23.72
Lilly USA, LLC 1 $19.93
AstraZeneca Pharmaceuticals Lp 1 $18.89
GlaxoSmithKline, LLC. 1 $18.45
Abbott Laboratories 1 $16.03
Boehringer Ingelheim Pharmaceuticals, INC. 1 $15.62
Bayer Healthcare Pharmaceuticals INC. 1 $15.00
Amgen INC. 1 $13.08

By nature of payment

Food and Beverage
$342

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,846
Patients
514
Total drug cost
$23,007
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 279 76 $4,466
Lisinopril Generic 190 53 $1,414
Amlodipine Besylate Generic 179 49 $1,152
Metformin Hcl Generic 163 37 $1,526
Levothyroxine Sodium Generic 131 33 $2,177
Gabapentin Generic 127 32 $3,082
Losartan Potassium Generic 125 41 $1,693
Omeprazole Generic 104 35 $1,459
Glimepiride Generic 103 23 $1,112
Sertraline Hcl Generic 88 25 $711

Frequently asked questions

Auto-generated from federal data
What is Dr. Dianne Mawhirter's medical specialty?
Dr. Dianne Mawhirter practices Family Nurse Practitioner in Norwalk, OH.
Where does Dr. Dianne Mawhirter practice?
Dr. Dianne Mawhirter practices at 44 Executive Dr, Norwalk, OH 448579566. Office phone: 4196684851.
What is Dr. Dianne Mawhirter's NPI?
Dr. Dianne Mawhirter's National Provider Identifier (NPI) is 1942314414, issued by NPPES.
Does Dr. Dianne Mawhirter accept Medicare assignment?
Yes. Dr. Dianne Mawhirter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dianne Mawhirter commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.