Doctor profile · Federal record

Dr. Mary Wonderly, M.D.

Family Medicine Physician · Fremont, OH

  • NPI 1891774030
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1479 N River RD
Fremont, OH 434209760
(419) 355-9440
fax (419) 355-9443
Additional location
2575 Hayes Ave, Suite 5
Fremont, OH 434205201
(419) 332-3560
fax (419) 332-3565
Mailing address
Po Box 378
Sandusky, OH 448710378

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 17, 2018
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Ohio #35-082561
Medicaid
OH #2396303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891774030. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,425
Distinct HCPCS
10
Medicare allowed
$132,988
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 367 181 $121
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 166 46 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 127 127 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 98 75 $87
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 75 43 $104
99442 Telephone medical discussion with physician, 11-20 minutes 71 53 $87
G0008 Administration of influenza virus vaccine 56 56 $29
90662 Influenza vaccine split virus, preservative free 55 55 $72
83036 Hemoglobin a1c level 46 30 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 46 34 $170

In context: peer comparison

Among 1 peers in Fremont Family Medicine Physician, average services per provider: 64. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$935
Transactions
28
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 10 $233.21
AstraZeneca Pharmaceuticals Lp 4 $144.90
Axsome Therapeutics, INC. 1 $125.00
Alexion Pharmaceuticals, INC. 1 $120.41
Idorsia Pharmaceuticals US INC 1 $103.96
Abbott Laboratories 2 $45.03
Novo Nordisk INC 2 $28.73
Dexcom, INC. 1 $24.09
Pfizer INC. 1 $20.45
Amgen INC. 1 $20.00
GlaxoSmithKline, LLC. 1 $19.20
Sanofi Pasteur INC. 1 $18.20
Astellas Pharma US INC 1 $17.08
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $14.68

By nature of payment

Food and Beverage
$935

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,948
Patients
889
Total drug cost
$174,509
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 604 152 $7,976
Lisinopril Generic 405 90 $2,631
Levothyroxine Sodium Generic 395 97 $4,683
Amlodipine Besylate Generic 356 91 $2,399
Pantoprazole Sodium Generic 300 60 $3,446
Eliquis (Apixaban) Brand 279 35 $136,678
Furosemide Generic 238 49 $1,590
Gabapentin Generic 228 47 $3,778
Omeprazole Generic 223 55 $2,506
Carvedilol Generic 176 36 $1,496

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Wonderly's medical specialty?
Dr. Mary Wonderly practices Family Medicine Physician in Fremont, OH.
Where does Dr. Mary Wonderly practice?
Dr. Mary Wonderly practices at 1479 N River RD, Fremont, OH 434209760. Office phone: 4193559440.
What is Dr. Mary Wonderly's NPI?
Dr. Mary Wonderly's National Provider Identifier (NPI) is 1891774030, issued by NPPES.
What procedures does Dr. Mary Wonderly commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.