Chad Williams
Internal Medicine Physician · Charleston, WV
Chad Williams is an internal medicine physician with a practice address in Charleston, West Virginia, and NPI 1790170835, issued on Apr 6, 2015. Check the license (West Virginia 3122, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Chad Williams
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 3122 WV
0102205558 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Maccorkle Ave SE Ste B16, Charleston, WV 25304
- Phone
- (304) 388-5432
- Enumerated
- Apr 6, 2015
- Record last updated
- Dec 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20180618000340); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Also registered at 3100 Maccorkle Ave SE Ste B16
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Elkheshen, MDHospitalist Physician1760066146
- Ilham Kashgarian, MDInternal Medicine Physician1609444371
- Ajay Kumar, MDHospitalist Physician1740868918
- Elizabeth Lane, DOHospitalist Physician1790164184
- Syed Mehdi, M.D.Internal Medicine Physician1730595471
- Salman Shaukat, M.DHospitalist Physician1114123403
Verify Chad Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 3122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,084 Medicare Part D claims for 239 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 25 claims were for opioids.
Most prescribed
- Levothyroxine Sodium120 claims
- Metformin Hcl109 claims
- Meloxicam98 claims
- Lisinopril97 claims
- Potassium Chloride81 claims
- Montelukast Sodium74 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: $113.23
6 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Wythe County Physician Practices LLCWytheville, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Williams among 754 internal medicine physician records in West Virginia
Chad Williams is one of 754 internal medicine physician records with a practice address in West Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 67% of them.
- NPI issued2015 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2015 · median 2010 among the 487 with a school on file
- Record last updated2023 · 43% 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 West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Charleston
They are 107 of the 8,807 NPPES records with a practice address in Charleston, and 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Every provider in Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Roy Bowden, DOCharleston, WV 253041174594642
- John Brehm, MDCharleston, WV 253041669436028
- James Campbell, M.D.Charleston, WV 253041982614186
- Shawn Chillag, M.D.Charleston, WV 253041821065004
- Thopsie Jagannath, MDCharleston, WV 253041043257629
- Medard Lefevre, MDCharleston, WV 253041447214846
- Diana Martin, M.D.Charleston, WV 253041720004062
- Kathleen Mimnagh, M.D.Charleston, WV 253041295743839
Common questions
What is Chad Williams's NPI number?
Chad Williams's National Provider Identifier (NPI) is 1790170835, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chad Williams located?
The NPPES record lists a practice address at 3100 Maccorkle Ave SE Ste B16, Charleston, WV, 25304. Phone: (304) 388-5432. Providers update this record themselves, so call before visiting.
How can I verify Chad Williams's license?
NPPES lists West Virginia license number 3122, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chad Williams prescribe under Medicare Part D?
In 2024, Chad Williams had 3,084 Medicare Part D claims for 239 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.