Dr. John W. Willis, MD
- Medicare services, 2022
- 2,331
- Part D claims, 2024
- 12
- Industry payments
- $7,205
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 4830 Knightsbridge Blvd Suite A Suite A, Columbus, OH 43214-2300
- Practice phone
- Call (614) 451-2174
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd)
Primary care practice · Columbus, Ohio
Find Dr. Willis' professional email, personal email and mobile number
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Dr. John W. Willis is an internist in Columbus, Ohio
Dr. Willis practices at Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd) in Columbus, Ohio.
Dr. Willis' NPI, 1467550095, was assigned on September 20, 2006. Dr. Willis graduated from Ohio State University College of Medicine in 1971. Dr. Willis holds Ohio license 35-033759.
- NPI
- 1467550095NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (614) 451-2174
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Willis practices at 2 locations in Columbus, Ohio
Dr. Willis' primary practice is Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd), at 4830 Knightsbridge Blvd Suite A Suite A, Columbus, OH 43214-2300. The practice phone is (614) 451-2174. The NPI Registry lists Dr. Willis' practice address as 3535 Olentangy River Rd, Columbus, OH 43214.
- Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd)Primary4830 Knightsbridge Blvd Suite A Suite A, Columbus, OH 43214-2300Phone(614) 451-2174
- NPI Registry address3535 Olentangy River Rd, Columbus, OH 43214 · Franklin CountyPhone(614) 451-2174
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. John W. Willis is affiliated with 1 site of care and 2 medical groups
Dr. Willis' primary practice is Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd) in Columbus, Ohio. The medical group on file is Central Ohio Primary Care. Dmand AI also links Dr. Willis to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. John W. Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd) | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Willis is one of 4,708 internists in Ohio
Internal medicine is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Willis is licensed in Ohio.
Specialties and state licenses
- Internal medicine, OhioPrimary
Internists near Dr. Willis
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. John W. Willis billed Medicare for 2,331 services in 2022
CMS data shows 2,331 Medicare services from Dr. Willis across 26 procedure codes in 2022. Medicare paid $59,859 for them. Every service was in an office.
Dr. Willis' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Lab and pathology
- 2021: 1,9942022: 1,14043%
- Office and hospital visits
- 2021: 7292022: 56123%
- Surgery
- 2021: 4982022: 31836%
- Other services
- 2021: 3562022: 12764%
- Tests and treatments
- 2021: 2652022: 11357%
- Imaging
- 2021: 1472022: 7251%
Dr. Willis compared with the Ohio median for internists, 2022
- Dr. Willis
- Ohio median
- Medicare services
- 2,331vs 4874.8 times
- Part D claims
- 12vs 29496% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Willis' most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Willis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Willis and other internists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Willis' patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Willis' median patient age at 70, with 46% women.
Dr. Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women46%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. John W. Willis wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Willis wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $325 in total drug cost. In 2023, CMS named 45 claims across 3 drugs.
Dr. Willis' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 452024: 1273%
Drugs named by CMS: 1 in 2024, 3 in 2023.
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
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Dr. John W. Willis received $7,205 in industry payments from 2016 to 2022
CMS Open Payments shows 519 general payments to Dr. Willis from 31 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $1,145.
General payments to Dr. Willis by program year, 2016 to 2022
General payments to Dr. Willis by kind, 2016 to 2022
- Food and beverage$7,16699%
- Education$391%
Companies that paid Dr. Willis the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. Willis graduated from Ohio State University College of Medicine
Dr. Willis graduated from Ohio State University College of Medicine in 1971.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Willis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John W. Willis
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What is Dr. John W. Willis' NPI number?
Dr. John W. Willis' NPI number is 1467550095. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Willis?
Dr. John W. Willis is an internist in Columbus, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John W. Willis practice?
Dr. Willis practices at 4830 Knightsbridge Blvd Suite A Suite A, Columbus, OH 43214-2300. Dr. Willis also practices at 3535 Olentangy River Rd, Columbus, OH 43214. Dr. Willis' primary practice is Central Ohio Primary Care Physicians - Columbus (4830 Knightsbridge Blvd) in Columbus, Ohio. Dmand AI also links Dr. Willis to 1 medical group.
What is Dr. John W. Willis' office phone number?
The practice phone on file for Dr. Willis is (614) 451-2174.
What is Dr. John W. Willis' medical license number?
Dr. Willis holds Ohio license 35-033759.
What medical group is Dr. John W. Willis part of?
Dr. Willis is linked to Central Ohio Primary Care. Dmand AI links Dr. Willis to 1 more medical group.
Does Dr. John W. Willis accept Medicare?
Yes. CMS data shows Dr. Willis billed Medicare for 2,331 services in 2022.
What services does Dr. John W. Willis bill to Medicare?
In 2022, Dr. Willis' most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and lab and pathology test (80053).
Where did Dr. John W. Willis go to medical school?
Dr. Willis graduated from Ohio State University College of Medicine in 1971.
What drugs does Dr. John W. Willis prescribe most?
In 2024 Medicare Part D data, Dr. Willis' most prescribed drugs by claims were Tamsulosin HCl.
Has Dr. John W. Willis received payments from drug or device companies?
CMS Open Payments shows $7,205 in general payments to Dr. Willis from 31 companies from 2016 to 2022. The largest total came from Novo Nordisk Inc.
How long has Dr. John W. Willis been practicing?
Dr. Willis graduated from medical school in 1971, 55 years ago.
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