DR. WILLIAM BRENDAN HAYES (MD) – Anesthesiology Physician, NPI 1760433098

DR. WILLIAM BRENDAN HAYES (MD) is a healthcare provider. based in Fort worth, Texas. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. 60074 (TN). The NPI Number for DR. WILLIAM BRENDAN HAYES (MD) is 1760433098

Main info

Male
32 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM BRENDAN HAYES (MD)
NPI
1760433098
Phone
(817) 776-3621
Address
4617 Briarhaven Rd
Enumeration Date
12 May 2006
Last Update Date
10 December 2025

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Secondary Phone
2548972215
Graduation Year
1994 (32 years ago)
PAC ID
9638143373
Group Practice PAC ID
3870483001
Professional Enrollment ID
I20040819001336
Address ID
TX760434937GL1021XSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience86
Completeness85
Years active:20State licenses:4Digital endpointsOther names

4,592 ANESTHESIOLOGY in TX

Provider Addresses for DR. WILLIAM BRENDAN HAYES (MD)

  • 4617 Briarhaven Rd

    Fort Worth, TX 761094609

    Phone: (817) 776-3621

    Type: Location

  • 4617 BRIARHAVEN RD

    FORT WORTH, TX 761094609

    Phone: (817) 776-3621

    Type: Location

  • 7974 UW HEALTH CT

    MIDDLETON, WI 535625531

    Phone: (817) 776-3621

    Type: Mailing

  • 600 HIGHLAND AVE

    MADISON, WI 537924609

    Phone: (608) 263-8100

    Fax: (608) 262-6247

    Type: Location

  • 2421, West 7th Street, Fort Worth, Tarrant County, Texas, 76107, United States

    SUITE 350

    FORT WORTH, TX 761072305

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $128.

Total Amount is formed as General ($128) + Research ($0) + Ownership ($0) = $128.

Last reported payment date: 2024-10-21 • Largest payer in this snapshot: SANOFI-AVENTIS U.S. LLC ($70).

Total Amount

$128

General + Research + Ownership

Payments

4

Total payment records

General Amount

$128

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-21

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-11-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 8 Medicare enrollment records; no due dates published yet.

Enrollment records

8

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040819001336IAnesthesiologyTXTBD
I20201020002565IAnesthesiologyMITBD
I20220118001976IAnesthesiologyNDTBD
I20230308000294IAnesthesiologyTNTBD
I20240401002100IAnesthesiologyWITBD
I20250227000711IAnesthesiologySCTBD
I20250303001592IAnesthesiologyIATBD
I20251105004124IAnesthesiologyMOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 76109)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3870483001View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YTX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
A N E S T H E S I O L O G YTX
A N E S T H E S I O L O G YTX
A N E S T H E S I O L O G YTX
-TX
A N E S T H E S I O L O G YTX
A N E S T H E S I O L O G YTX
-TX

Reviews

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Frequently asked questions

What unique ID ties claims to DR. WILLIAM BRENDAN HAYES (MD)?
NPI 1760433098 is assigned to DR. WILLIAM BRENDAN HAYES (MD) under the national enumeration system.
Is DR. WILLIAM BRENDAN HAYES (MD) active in the national directory?
DR. WILLIAM BRENDAN HAYES (MD)'s public NPI profile is in an active state.
What field does DR. WILLIAM BRENDAN HAYES (MD) work in?
You can think of DR. WILLIAM BRENDAN HAYES (MD) as practicing within Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
What location shows for DR. WILLIAM BRENDAN HAYES (MD)?
We surface Fort Worth, Texas for DR. WILLIAM BRENDAN HAYES (MD) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.