NPPES file of Aug 9, 2026

William Madison Ross, MD

Sports Medicine (Family Medicine) Physician · Hattiesburg, MS

William Madison Ross, MD is a sports medicine (family medicine) physician with a practice address in Hattiesburg, Mississippi, and NPI 1194388454, issued on Apr 22, 2019. Check the license (Mississippi 31958, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194388454
Name
William Madison Ross
Credential
MD
Primary taxonomy
Sports Medicine (Family Medicine) Physician 207QS0010X
License number
31958 MS
Self-reported in NPPES; status is on the state search
Practice location
103 Medical Park FL 2, Hattiesburg, MS 39401
Phone
(601) 268-5630
Enumerated
Apr 22, 2019
Record last updated
Aug 29, 2023
Medicare enrollment
Enrolled (PECOS I20230907003225); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 103 Medical Park FL 2

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Barron, M.D.Orthopaedic Surgery Physician1255576377
  2. Richard HallMedical Physician Assistant1902282742
  3. Thomas RoyalsOrthopaedic Surgery Physician1184068413
  4. Matthew ValentineAdult Reconstructive Orthopaedic Surgery Physician1780117879
  5. James Weaver, MDOrthopaedic Surgery Physician1235248451
  6. Jeremy Wells, M.D.Sports Medicine (Family Medicine) Physician1144517822

Verify William Madison Ross in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 31958
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024

109 Medicare Part D claims for 76 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Ross109
  2. Specialty average855

Most prescribed

  1. Meloxicam77 claims
  2. Diclofenac Sodium11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.7
  2. Costout of 100 · 30%60.1
  3. Promoting interoperabilityout of 100 · 25%90.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $53.06

2 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 1,218 providers of this specialty with any payment received $781.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Ross$53.06
  2. Specialty average$781.49

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Wayne General HospitalWaynesboro, MS · Acute Care Hospitals3 of 5 stars
  2. Hattiesburg Clinic PAHattiesburg, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

William Madison Ross among 15 sports medicine (family medicine) physician records in Mississippi

William Madison Ross, MD is one of 15 sports medicine (family medicine) physician records with a practice address in Mississippi. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 67% of them.

  • NPI issued2019 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2019 · median 2011 among the 12 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Family Medicine) Physician providers in Mississippi

There are 15 sports medicine (family medicine) physician records in Mississippi.

The 8 sports medicine (family medicine) physician records with the nearest ZIP codes

  1. Kevin Clement, M.D.Hattiesburg, MS 394011578509725
  2. Nathan Darby, M.D.Hattiesburg, MS 394011649470147
  3. Jessica Tullos, D.O.Hattiesburg, MS 394011306254255
  4. Jeremy Wells, M.D.Hattiesburg, MS 394011144517822
  5. Christopher Penton, M.D.Hattiesburg, MS 394021265851646
  6. Michael Gilbert, MDGulfport, MS 395031962080697
  7. Robert Terrell, M.D.Ocean Springs, MS 395641033137112
  8. Samantha Glenn EtheredgePascagoula, MS 395811386221844

Common questions

What is William Madison Ross, MD's NPI number?

William Madison Ross, MD's National Provider Identifier (NPI) is 1194388454, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Madison Ross, MD located?

The NPPES record lists a practice address at 103 Medical Park FL 2, Hattiesburg, MS, 39401. Phone: (601) 268-5630. Providers update this record themselves, so call before visiting.

How can I verify William Madison Ross, MD's license?

NPPES lists Mississippi license number 31958, 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 Madison Ross, MD prescribe under Medicare Part D?

In 2024, William Madison Ross, MD had 109 Medicare Part D claims for 76 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. Part D covers Medicare prescriptions only.

What is William Madison Ross, MD's MIPS final score?

The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.