Preston Walker Williams, MD
Internal Medicine Physician · Columbus, OH
Preston Walker Williams, MD is an internal medicine physician with a practice address in Columbus, Ohio, and NPI 1245816123, issued on Mar 22, 2021. Check the license (Ohio 35.150615, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Preston Walker Williams
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.150615 OH
Self-reported in NPPES; status is on the state search - Practice location
- 543 Taylor Ave, Columbus, OH 43203
- Phone
- (614) 293-5123
- Enumerated
- Mar 22, 2021
- Record last updated
- Aug 25, 2025
- Fax
- (614) 293-4890
- Medicare enrollment
- Enrolled (PECOS I20240912000339); accepts Medicare assignment
- Medical or professional school
- Texas A & M University System, Hsc, College Of Medicine, 2021
- 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 543 Taylor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Abukwiek, APRN-CNPNurse Practitioner1750154233
- Faraz Ahmad, M.D.Family Medicine Physician1467896621
- Amanda Albert, APRN-CNPAcute Care Nurse Practitioner1134898109
- Dharman Annadurai, MDPulmonary Disease Physician1649383134
- Patrice Arehart, MDPsychiatry Physician1760571517
- Fred Armstrong, PA-CMedical Physician Assistant1780775213
Verify Preston Walker Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.150615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
157 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium21 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.
Bills Medicare through 2 group practices
- Osu General Internal Medicine LLCColumbus, OH
- Osu Internal Medicine LLCColumbus, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Preston Walker Williams among 5,277 internal medicine physician records in Ohio
Preston Walker Williams, MD 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 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2006 among the 3,414 with a school on file
- Record last updated2025 · 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
- Jamila Asif, MDColumbus, OH 432031003430075
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- Manorama Chaluvadi, M.D,Columbus, OH 432031639433766
- Meaghan Costello, MDColumbus, OH 432031982165957
- Kun Lim, M.DColumbus, OH 432031427139989
- Sreedevi Nemali, M.DColumbus, OH 432031700988375
- Andrew Schamess, MDColumbus, OH 432031659339042
- Matthew Schirtzinger, MDColumbus, OH 432031952805376
Common questions
What is Preston Walker Williams, MD's NPI number?
Preston Walker Williams, MD's National Provider Identifier (NPI) is 1245816123, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Preston Walker Williams, MD located?
The NPPES record lists a practice address at 543 Taylor Ave, Columbus, OH, 43203. Phone: (614) 293-5123. Providers update this record themselves, so call before visiting.
How can I verify Preston Walker Williams, MD's license?
NPPES lists Ohio license number 35.150615, 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 Preston Walker Williams, MD prescribe under Medicare Part D?
In 2024, Preston Walker Williams, MD had 157 Medicare Part D claims for 49 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.