GERARD J MAHONEY (D.O.) – Family Medicine Physician, NPI 1659385219
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,418 FAMILY PRACTICE in MI
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Provider Addresses for GERARD J MAHONEY (D.O.)
Crystal Lake Health Center Frankfort Clinic, 826, Forest Avenue, Frankfort, Benzie County, Michigan, 49635, United States
FRANKFORT, MI 49635
Phone: (231) 352-5285
Fax: (231) 352-6384
Type: Location
Crystal Lake Health Center Benzonia Clinic, 6227, Frankfort Highway, Benzonia, Crystal Lake Township, Benzie County, Michigan, 49616, United States
BENZONIA, MI 496169654
Phone: (231) 882-9661
Fax: (231) 882-9616
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 55 Open Payments records for all available years, with a total value of $991.
Total Amount is formed as General ($991) + Research ($0) + Ownership ($0) = $991.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: ABBVIE INC. ($407).
Total Amount
$991
General + Research + Ownership
Payments
55
Total payment records
General Amount
$991
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-02-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040220000080 | I | Family Practice | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
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 | 586 | 392 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 420 | 314 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 308 | 308 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 275 | 250 | $0 |
| G0008 | Administration of influenza virus vaccine | 125 | 124 | $0 |
Insurance plans in this area (ZIP 49635)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | MI | |
| - | MI | |
| Family Practice | MI | |
| Internal Medicine | MI | |
| Physician Assistant | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI |
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