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WILLIAM C FOX MD
NPI 1437367042
Radiology - Vascular & Interventional Radiology in Bellaire, TX

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment
82.1/100
CMS Quality Rating
4747 BELLAIRE BLVD STE 575, BELLAIRE, TX 77401(713) 575-3686(713) 575-3688 Get Directions Write a Review

NPPES record last updated: May 23, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William C Fox Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM C FOX MD (NPI 1437367042) is an individual vascular & interventional radiology provider in Bellaire, Texas, licensed in Texas (P4951) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (2004).

NPPES Registry Identity

NPI1437367042
Entity TypeIndividualMale
Primary Taxonomy2085R0204X
Provider Legal NameWILLIAM C FOXCredential: MD
Location Address4747 BELLAIRE BLVD STE 575Bellaire, TX 77401-4535
Mailing Address4747 Bellaire Blvd Ste 575Bellaire, TX 77401-4535 · (713) 575-3686 · Fax (713) 575-3688
Phone(713) 575-3686
Fax(713) 575-3688
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2004
Enumeration DateMay 18, 2007
Last NPPES UpdateMay 23, 2019
✔ NPI 1437367042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0204X
License✔ Licensed in TX · P4951
Definition
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
4747 BELLAIRE BLVD STE 575, Bellaire, TX 77401
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William C Fox Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012033111
PECOS Enrollment IDI20130328000192
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show William Fox reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Endovascular Associates, PLLC
Same address
Vascular & Interventional Radiology
4747 BELLAIRE BLVD, SUITE 575
Bellaire, TX 77401
  • Reassigned Medicare billing, Texas enrollment
  • 9 clinicians in this Medicare group
NPI 1689044281 (713) 575-3686
East Texas Surgical Associates, PA
86 mi
Surgery
350 PINE STREET, SUITE 1415
Beaumont, TX 77701
  • Reassigned Medicare billing, Texas enrollment
  • 12 clinicians in this Medicare group
NPI 1497892152 (409) 924-8600
Dallas Endovascular PLLC
219 mi
Vascular & Interventional Radiology
3920 W WHEATLAND RD STE 108
Dallas, TX 75237
  • Reassigned Medicare billing, Texas enrollment
  • 10 clinicians in this Medicare group
NPI 1972221166 (713) 575-3686
Georgia Endovascular Associates, LLC
708 mi
Vascular & Interventional Radiology
3225 CUMBERLAND BLVD SE STE 520
Atlanta, GA 30339
  • Reassigned Medicare billing, Georgia enrollment
  • 3 clinicians in this Medicare group
NPI 1073207007 (713) 575-3686

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
365 services205 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
268 services199 patients
Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475
This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.
255 services86 patients
Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance 36466
This procedure involves injecting a special chemical into problematic veins in your leg, using ultrasound technology to accurately target the veins. This helps to reduce issues like pain and swelling by improving blood flow in the leg.
158 services85 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
118 services101 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
113 services113 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality78.92
Promoting Interoperability79
Improvement Activities40

Reported Quality Measures

Cervical Cancer Screening
20%1,408 patients1/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
4%214 patients1/55-star benchmark: 87%
Controlling High Blood Pressure
60%30 patients3/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
81%5,221 patients3/55-star benchmark: 100%
e-Prescribing
99%182 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
5%786 patients1/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
67%2,529 patients3/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
33%5,096 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 81% · 1,580 patients
Patients screened: 83% · 1,580 patients
40%67 patients2/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
49%1,100 patients2/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
48%222 patients1/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 833 patients
Patients totalRate: 0% · 833 patients
0%833 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTA MICHELLE DUARTE
Nurse Practitioner (Family)
4747 BELLAIRE BLVD STE 575
BELLAIRE, TX 77401
Harris County (713) 575-3686
DR. ERIC P. HARDEE M.D.
Radiology (Vascular & Interventional Radiology)
4747 BELLAIRE BLVD STE 575
BELLAIRE, TX 77401
Harris County (713) 575-3686
LAURA KATHERINE CONNOR PA-C
Physician Assistant
4747 BELLAIRE BLVD STE 575
BELLAIRE, TX 77401
Harris County (713) 575-3686
MS. MOLLY DIMOLA FNP
Nurse Practitioner (Family)
4747 BELLAIRE BLVD STE 575
BELLAIRE, TX 77401
Harris County (713) 575-3686

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Fox's NPI number?

The NPI number for William Fox is 1437367042. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is William Fox located?

William Fox practices at 4747 Bellaire Blvd Ste 575, Bellaire, TX 77401. The listed phone number is (713) 575-3686.

What is William Fox's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is William Fox enrolled in Medicare?

Yes. William Fox is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Fox reassigns Medicare benefits to 4 organizations: Texas Endovascular Associates, PLLC (Bellaire, TX), East Texas Surgical Associates, PA (Beaumont, TX), Dallas Endovascular PLLC (Dallas, TX) and Georgia Endovascular Associates, LLC (Atlanta, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Fox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Fox accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list William Fox as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Fox was last updated on May 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.