Doctor profile · Federal record
Dr. David McMahon, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Grove City, OH
- NPI 1033174339
- Accepts Medicare
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4191 Kelnor Dr Ste 300
Grove City, OH 431233990
(614) 875-6349
fax (614) 875-3633 - Mailing address
-
Po Box 7527
Dublin, OH 430170727
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- September 30, 2025
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35063725
- Medicaid
- OH #0890111
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033174339. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
480
Distinct HCPCS
8
Medicare allowed
$31,869
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 188 | 107 | $94 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 136 | 72 | $76 | |
80305 |
Testing for presence of drug, read by direct observation | 47 | 13 | $12 | |
83036 |
Hemoglobin a1c level | 35 | 28 | $10 | |
G0008 |
Administration of influenza virus vaccine | 22 | 22 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 21 | 21 | $72 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 20 | 20 | $42 | |
81003 |
Automated urinalysis test | 11 | 11 | $2 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 88. This provider delivers 5.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,596
Patients
649
Total drug cost
$161,494
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 346 | 98 | $4,843 |
| Lisinopril | Generic | 297 | 82 | $2,668 |
| Gabapentin | Generic | 209 | 47 | $4,723 |
| Amlodipine Besylate | Generic | 195 | 58 | $1,288 |
| Metformin Hcl | Generic | 182 | 57 | $1,810 |
| Levothyroxine Sodium | Generic | 181 | 46 | $2,650 |
| Omeprazole | Generic | 172 | 46 | $2,281 |
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 159 | 16 | $30,668 |
| Simvastatin | Generic | 157 | 40 | $1,279 |
| Losartan Potassium | Generic | 148 | 37 | $1,901 |
Hospital affiliations
Frequently asked questions
What is Dr. David McMahon's medical specialty?
Dr. David McMahon practices Internal Medicine Physician in Grove City, OH.
Where does Dr. David McMahon practice?
Dr. David McMahon practices at 4191 Kelnor Dr Ste 300, Grove City, OH 431233990. Office phone: 6148756349.
What is Dr. David McMahon's NPI?
Dr. David McMahon's National Provider Identifier (NPI) is 1033174339, issued by NPPES.
Does Dr. David McMahon accept Medicare assignment?
Yes. Dr. David McMahon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David McMahon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Testing for presence of drug, read by direct observation (HCPCS 80305). Source: CMS Medicare Physician & Other Practitioners file.