DR. GARY DAVID WALKER (M.D.) – Surgery Physician, NPI 1174597975

DR. GARY DAVID WALKER (M.D.) is a healthcare provider. based in Abilene, Texas. specializing in Surgery Physician. They hold the professional credentials M.D.. They hold a License No. F4642 (TX). The NPI Number for DR. GARY DAVID WALKER (M.D.) is 1174597975

Main info

Male
Sole Proprietor
47 Years Of Experience
Accepts Medicare Assignment
Name
DR. GARY DAVID WALKER (M.D.)
NPI
1174597975
Phone
(325) 676-8555
Address
1100 N 19TH ST
Enumeration Date
16 February 2006
Last Update Date
5 February 2008

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Secondary Phone
3256702519
Graduation Year
1979 (47 years ago)
PAC ID
9638205313
Professional Enrollment ID
I20100405000540
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. GARY DAVID WALKER (M.D.)

  • 1100, North 19th Street, Abilene, Taylor County, Texas, 79601, United States

    SUITE 4D

    ABILENE, TX 796012344

    Phone: (325) 676-8555

    Fax: (325) 676-1026

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2010-04-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20100405000540IGeneral SurgeryTXTBD

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 79601)

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Reviews

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Frequently asked questions

What number should I use to identify DR. GARY DAVID WALKER (M.D.) for billing?
Administrative and clinical systems typically use NPI 1174597975 for DR. GARY DAVID WALKER (M.D.).
Should I treat DR. GARY DAVID WALKER (M.D.) as an active provider?
Patients and plans typically see DR. GARY DAVID WALKER (M.D.) as active in the national extract.
What does the directory say DR. GARY DAVID WALKER (M.D.) does?
Insurance directories may phrase it differently, but here DR. GARY DAVID WALKER (M.D.) maps to Surgery Physician. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. GARY DAVID WALKER (M.D.)?
DR. GARY DAVID WALKER (M.D.) is associated with Abilene, Texas in the same public data insurers reference.
Who maintains DR. GARY DAVID WALKER (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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