NPPES file of Aug 9, 2026

William C. Fox, MD

Vascular & Interventional Radiology Physician · Bellaire, TX

William C. Fox, MD is a vascular & interventional radiology physician with a practice address in Bellaire, Texas, and NPI 1437367042, issued on May 18, 2007. Check the license (Texas P4951, as entered in NPPES) on the Texas Medical Board; 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
1437367042
Name
William C. Fox
Credential
MD
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
P4951 TX
Self-reported in NPPES; status is on the state search
Practice location
4747 Bellaire Blvd Ste 575, Bellaire, TX 77401
Phone
(713) 575-3686
Enumerated
May 18, 2007
Record last updated
May 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(713) 575-3688
Medicare enrollment
Enrolled (PECOS I20130328000192); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2004
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 4747 Bellaire Blvd Ste 575

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

  1. Laura Connor, PA-CPhysician Assistant1760148779
  2. Molly Dimola, FNPFamily Nurse Practitioner1902530561
  3. Christa DuarteFamily Nurse Practitioner1023698149
  4. Eric Hardee, M.D.Vascular & Interventional Radiology Physician1043298482

Verify William C. Fox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P4951
    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 Texas 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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64% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024

27 Medicare Part D claims for 15 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D.

  1. William Fox27
  2. Specialty average75

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 MIPS final score for 2023 (Medicare payment program): 82.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score78.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%79.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $11,651.47

26 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Fox$11,651
  2. Specialty average$7,207

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

  1. Texas Endovascular Associates PLLCBellaire, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William C. Fox among 324 vascular & interventional radiology physician records in Texas

William C. Fox, MD is one of 324 vascular & interventional radiology physician records with a practice address in Texas. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 27% of them.

  • NPI issued2007 · 27% of these records are older, 63% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 88% of these records are
  • Graduated2004 · median 2008 among the 284 with a school on file
  • Record last updated2019 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in Texas

There are 324 vascular & interventional radiology physician records in Texas.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Eric Hardee, M.D.Bellaire, TX 774011043298482
  2. Mehrzad Zarghouni, M.D.Bellaire, TX 774011780900993
  3. Mohammad Hussain, D.O., MSSpring, TX 773891801328414
  4. Adeel Shahid, M.D.Spring, TX 773891851686158
  5. David Chiao, MDBay City, TX 774141336431352
  6. Ryan Armstrong, MDShenandoah, TX 773801154453355
  7. Nabih DiabShenandoah, TX 773801437655834
  8. Shawn Hobby, M.D.Shenandoah, TX 773801386030021

Common questions

What is William C. Fox, MD's NPI number?

William C. Fox, MD's National Provider Identifier (NPI) is 1437367042, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William C. Fox, MD located?

The NPPES record lists a practice address at 4747 Bellaire Blvd Ste 575, Bellaire, TX, 77401. Phone: (713) 575-3686. Providers update this record themselves, so call before visiting.

How can I verify William C. Fox, MD's license?

NPPES lists Texas license number P4951, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William C. Fox, MD prescribe under Medicare Part D?

In 2024, William C. Fox, MD had 27 Medicare Part D claims for 15 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.

What is William C. Fox, MD's MIPS final score?

The 2023 MIPS final score is 82.1 of 100. 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.