Dr. Gaven Michael Harper, DO
- Part D claims, 2024
- 615
- Hospital affiliations
- 1
- Industry payments
- $180
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 272 Hospital Road, Chillicothe, OH 45601
- Practice phone
- Call (740) 779-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harper's professional email, personal email and mobile number
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Dr. Gaven Michael Harper is an internist in Chillicothe, Ohio
Dr. Harper practices at Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System.
Dr. Harper's NPI, 1003519430, was assigned on March 24, 2023. Dr. Harper holds Ohio license 58.033286.
- NPI
- 1003519430NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092175224
- NPI enumeration date
- March 24, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 779-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gaven Michael Harper practices at Adena Regional Medical Center in Chillicothe, Ohio
Dr. Harper's primary practice is Adena Regional Medical Center, at 272 Hospital Road, Chillicothe, OH 45601 in Ross County. The practice phone is (740) 779-7500.
- Adena Regional Medical Center272 Hospital Road, Chillicothe, OH 45601 · Ross CountyPhone(740) 779-7500
Source: Dmand AI Affiliation Data
Dr. Gaven Michael Harper is affiliated with 1 site of care
Dr. Harper's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gaven Michael Harper's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harper practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adena Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adena Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gaven Michael Harper is one of 4,708 internists in Ohio
Internal medicine is Dr. Harper's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Harper is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Harper
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gaven Michael Harper's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Harper's median patient age at 69, with 47% women.
Dr. Harper's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Gaven Michael Harper wrote 615 Medicare Part D claims in 2024
In 2024, Dr. Harper wrote 615 Medicare Part D claims for 86 patients. 80% of them were for generic drugs. CMS names the drug for 259 of them, across 15 drugs with 11 or more claims each, at $24,878 in total drug cost.
Dr. Harper's Part D claims by kind of drug, 2024
- Generic493 claims80%
- Brand-name and other122 claims20%
Dr. Harper's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Harper's Part D claims, 2024
- Opioids6%37 of 615 claims
- Antibiotics6%34 of 615 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gaven Michael Harper takes part in Medicare
Dr. Harper accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gaven Michael Harper received $180 in industry payments from 2023 to 2025
CMS Open Payments shows 10 general payments to Dr. Harper from 9 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 91% of the total. Medtronic, Inc. paid the most, $45.
General payments to Dr. Harper by program year, 2023 to 2025
General payments to Dr. Harper by kind, 2023 to 2025
- Food and beverage$16491%
- Education$179%
Companies that paid Dr. Harper the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gaven Michael Harper's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gaven Michael Harper
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gaven Michael Harper's NPI number?
Dr. Gaven Michael Harper's NPI number is 1003519430. It was assigned on March 24, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Gaven Michael Harper?
Dr. Gaven Michael Harper is an internist in Chillicothe, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gaven Michael Harper practice?
Dr. Harper practices at 272 Hospital Road, Chillicothe, OH 45601. Dr. Harper's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System.
What is Dr. Gaven Michael Harper's office phone number?
The practice phone on file for Dr. Harper is (740) 779-7500.
What is Dr. Gaven Michael Harper's medical license number?
Dr. Harper holds Ohio license 58.033286.
Which hospitals is Dr. Gaven Michael Harper affiliated with?
Dr. Harper practices at Adena Regional Medical Center in Chillicothe, Ohio.
Does Dr. Gaven Michael Harper accept Medicare?
Yes. CMS lists Dr. Harper as accepting Medicare assignment.
What drugs does Dr. Gaven Michael Harper prescribe most?
In 2024 Medicare Part D data, Dr. Harper's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Albuterol Sulfate Hfa.
Has Dr. Gaven Michael Harper received payments from drug or device companies?
CMS Open Payments shows $180 in general payments to Dr. Harper from 9 companies from 2023 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Gaven Michael Harper been practicing?
Dr. Harper's NPI was assigned in 2023.
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