DR. DAVID EARL MCMAHON (M.D.) – Internal Medicine Physician, NPI 1033174339
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
7,199 INTERNAL MEDICINE in OH
Provider Addresses for DR. DAVID EARL MCMAHON (M.D.)
PO BOX 7527
DUBLIN, OH 430170727
Phone:
Type: Mailing
4191 KELNOR DR STE 300
GROVE CITY, OH 431233990
Phone: (614) 875-6349
Fax: (614) 875-3633
Type: Location
Frantz Road, Dublin, Franklin, Ohio, 43017, United States
DUBLIN, OH 430164141
Phone:
Type: Mailing
Orient, Bulevardi Fan Noli, Korçë, Bashkia Korçë, Korçë County, Southern Albania, 7001, Albania
SUITE A
ORIENT, OH 431469360
Phone: (614) 277-4670
Fax: (617) 871-6314
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2009-05-29
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 |
|---|---|---|---|---|
| I20090529000434 | I | Internal Medicine | OH | 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 | 188 | 107 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 136 | 72 | $0 |
| 80305 | Testing for presence of drug, read by direct observation | 47 | 13 | $0 |
| 83036 | Hemoglobin a1c level | 35 | 28 | $0 |
| G0008 | Administration of influenza virus vaccine | 22 | 22 | $0 |
Insurance plans in this area (ZIP 43017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Internal Medicine, Family Practice, Urology | OH | |
| Physician Assistant | OH | |
| - | OH | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MN | |
| General Practice | OH | |
| - | OH | |
| Nurse Practitioner | OH | |
| Physician Assistant | OH |
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