William David Ross, MD
Internal Medicine Physician · Jackson, MS
William David Ross, MD is an internal medicine physician with a practice address in Jackson, Mississippi, and NPI 1750901450, issued on Apr 22, 2020. Check the license (Mississippi T-4261, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- William David Ross
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- T-4261 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1225 N State St, Jackson, MS 39202
- Phone
- (601) 988-5281
- Enumerated
- Apr 22, 2020
- Record last updated
- Aug 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20240620002341); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1225 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William David Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license T-4261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
105 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Atorvastatin Calcium18 claims
- Xarelto13 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: $91.56
1 payment: 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
- Medical Foundation OF Central Mississippi IncJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William David Ross among 972 internal medicine physician records in Mississippi
William David Ross, MD is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 72% of them.
- NPI issued2020 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2008 among the 585 with a school on file
- Record last updated2025 · 52% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
328 internal medicine physician records list a practice address in Jackson
They are 328 of the 6,997 NPPES records with a practice address in Jackson, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Jackson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christina Barlow, M.D.Jackson, MS 392021043244510
- Jon Beall, M.D.Jackson, MS 392021922179548
- Freeman Bennett, M.D.Jackson, MS 392021750326724
- Nancy Campbell, M.D.Jackson, MS 392021558432005
- Katheryn Del Castillo-Arceo, M.D.Jackson, MS 392021609945716
- Gordon Delashmet, M.D.Jackson, MS 392021538104757
- Matthew George, M.D.Jackson, MS 392021659383297
- Jessie George, M.D.Jackson, MS 392021881606440
Common questions
What is William David Ross, MD's NPI number?
William David Ross, MD's National Provider Identifier (NPI) is 1750901450, issued on Apr 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William David Ross, MD located?
The NPPES record lists a practice address at 1225 N State St, Jackson, MS, 39202. Phone: (601) 988-5281. Providers update this record themselves, so call before visiting.
How can I verify William David Ross, MD's license?
NPPES lists Mississippi license number T-4261, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William David Ross, MD prescribe under Medicare Part D?
In 2024, William David Ross, MD had 105 Medicare Part D claims for 27 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.