William Edward Key Hamilton, M.D.
Internal Medicine Physician · Columbus, OH
William Edward Key Hamilton, M.D. is an internal medicine physician with a practice address in Columbus, Ohio, and NPI 1700248317, issued on Mar 23, 2016. Check the license (Ohio 35.133095, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William Edward Key Hamilton
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.133095 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4885 Olentangy River RD Ste 2-50, Columbus, OH 43214
- Phone
- (614) 451-1551
- Enumerated
- Mar 23, 2016
- Record last updated
- Jul 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (614) 451-2326
- Medicare enrollment
- Enrolled (PECOS I20190715003417); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 4885 Olentangy River RD Ste 2-50
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Menges, MDInternal Medicine Physician1881222883
- Douglas Thompson, M.D.Internal Medicine Physician1215931704
Verify William Edward Key Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.133095Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,462 Medicare Part D claims for 453 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 71 claims were for opioids.
Most prescribed
- Atorvastatin Calcium593 claims
- Amlodipine Besylate284 claims
- Losartan Potassium266 claims
- Lisinopril205 claims
- Levothyroxine Sodium198 claims
- Omeprazole196 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $240.44
22 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Ohio Primary Care Physicians, Inc.Columbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Edward Key Hamilton among 5,277 internal medicine physician records in Ohio
William Edward Key Hamilton, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2016 · median 2006 among the 3,414 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
580 internal medicine physician records list a practice address in Columbus
They are 580 of the 36,491 NPPES records with a practice address in Columbus, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Columbus → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melissa Brasco, D.O.Columbus, OH 432141841274305
- Timothy Coss, DOColumbus, OH 432141720071699
- Diana Donati, M.D.Columbus, OH 432141184628869
- Francine Giannetto, M.D.Columbus, OH 432141548243223
- William Gramann, M.D.Columbus, OH 432141093798779
- Marietta Hofmeister, M.D.Columbus, OH 432141639152317
- Joseph Jacko, MDColumbus, OH 432141730185844
- David Lahue, M.D.Columbus, OH 432141861476327
Common questions
What is William Edward Key Hamilton, M.D.'s NPI number?
William Edward Key Hamilton, M.D.'s National Provider Identifier (NPI) is 1700248317, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William Edward Key Hamilton, M.D. located?
The NPPES record lists a practice address at 4885 Olentangy River RD Ste 2-50, Columbus, OH, 43214. Phone: (614) 451-1551. Providers update this record themselves, so call before visiting.
How can I verify William Edward Key Hamilton, M.D.'s license?
NPPES lists Ohio license number 35.133095, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Edward Key Hamilton, M.D. prescribe under Medicare Part D?
In 2024, William Edward Key Hamilton, M.D. had 6,462 Medicare Part D claims for 453 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.