MARY B. WONDERLY (M.D.) – Family Medicine Physician, NPI 1891774030
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Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,431 FAMILY PRACTICE in OH
Provider Addresses for MARY B. WONDERLY (M.D.)
2575 Hayes Ave
Suite 5
Fremont, OH 434205201
Phone: (419) 332-3560
Fax: (419) 332-3565
Type: Location
PO BOX 378
SANDUSKY, OH 448710378
Phone: (419) 609-1112
Fax: (419) 609-1123
Type: Mailing
North River Road, Fremont County, Idaho, United States
FREMONT, OH 434209760
Phone: (419) 355-9440
Fax: (419) 355-9443
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 38 Open Payments records for all available years, with a total value of $1,223.
Total Amount is formed as General ($1,223) + Research ($0) + Ownership ($0) = $1,223.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: ABBVIE INC. ($324).
Total Amount
$1,223
General + Research + Ownership
Payments
38
Total payment records
General Amount
$1,223
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $324 |
| AstraZeneca Pharmaceuticals LP | $145 |
| Axsome Therapeutics, Inc. | $125 |
| Otsuka America Pharmaceutical, Inc. | $125 |
| Alexion Pharmaceuticals, Inc. | $120 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 367 | 181 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 166 | 46 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 127 | 127 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 98 | 75 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 75 | 43 | $0 |
Insurance plans in this area (ZIP 43420)
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Provider's Procedures
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