David Earl Mcmahon, M.D.
Patients across OH can see David Earl Mcmahon, M.D. in person in Grove City or via virtual visit — no travel required. Trained at University of Chicago, Pritzker School of Medicine (class of 1978), he has been practicing for over 48 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 19% of reporting doctors in Ohio
- Uses generic medications more than 53% of reporting doctors in Ohio
- Virtual visits available — no app or travel required
Older · 222dNPPES updated 2025-09-30 · verify NPI on CMS · Verify license at State Medical Board of Ohio
Contact & Location
Practice Location
4191 Kelnor Dr Ste 300, Grove City, OH 43123-3990
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better3.75%
Ohio avg: 4.2 · US avg: 5.1
✓ Higher than most doctors nationally(-1.3 pts)
3.75% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88.5%
Ohio avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+5.7 pts)
Typical range among reporting doctors in OhioHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
142
Unique beneficiaries
Standard volumePrescription Recipients
323
Patients prescribed
Prescriptions Written
5,605
Total claims
Total Medicare drug cost: $502k
Percentile rankings compared against 2,065 reporting peers in Ohio.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-1%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+1%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-5%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-7%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$11 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to David Earl Mcmahon's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1978
University of Chicago, Pritzker School of Medicine
Board certified · Sep 29, 2025
Self-reported via NPPES
48 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of Chicago, Pritzker School of Medicine (Class of 1978)
Mailing address
Po Box 7527, Dublin, OH 43017-0727
Differs from practice location
Virtual Internal Medicine Care With David Earl Mcmahon
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with David Earl Mcmahon for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Grove City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about David Earl Mcmahon
Dr. Mcmahon is listed as active in the NPI registry with telehealth listed in Grove City, OH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (614) 875-6349.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact David Earl Mcmahon
Practice Location
4191 Kelnor Dr Ste 300, Grove City, OH 43123-3990
Mailing Address
Po Box 7527, Dublin, OH 43017-0727
This is a provider directory. Contact the office directly to schedule appointments.
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