DR. WILLIAM DAVID WALKER MD
NPI 1447607387
Obstetrics & Gynecology in Arlington, TX

Active since May 20, 2016PECOS EnrolledAccepts Medicare Assignment
3201 MATLOCK RD STE 350, ARLINGTON, TX 76015(817) 468-3255(817) 468-7823 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 26, 2026, May 21, 2021, May 20, 2016 (3 updates tracked since 2016).

About Dr. William David Walker Md NPPES

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

DR. WILLIAM DAVID WALKER MD (NPI 1447607387) is an individual obstetrics & gynecology provider in Arlington, Texas, licensed in Texas (S4072) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Medical City Arlington, and maintains a secondary practice location in Grand Prairie.

NPPES Registry Identity

NPI1447607387
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. WILLIAM DAVID WALKERCredential: MD
Location Address3201 MATLOCK RD STE 350Arlington, TX 76015-2954
Mailing Address3201 Matlock Rd Ste 350Arlington, TX 76015-2954 · (817) 468-3255 · Fax (817) 468-7823
Fax(817) 468-7823
Sole ProprietorYes
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2016
Enumeration DateMay 20, 2016
Last NPPES UpdateJanuary 26, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
NPI 1447607387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in TX · S4072 Licensed in TX · BP10057675
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3201 MATLOCK RD STE 350, Arlington, TX 76015

Secondary Practice Location 1

Location 14927 Lake Ridge Pkwy Ste 140Grand Prairie, TX 75052-3068 · Phone (817) 640-0771 · Fax (817) 468-7823

Other Identifiers 1

OtherBP10057675TX · Pit

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. William David Walker 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 ID8628359973
PECOS Enrollment IDI20200903001378
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.

Areas of Expertise CMS Part B claims 2

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
33 services23 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
21 services21 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medical City Arlington

Acute Care Hospitals · Arlington, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450675
Location3301 Matlock RoadArlington, TX 76015 · Tarrant County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76015 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
$129.63 typical visit price
range $56.47 – $171.07
Typical copayment $32.40 (range $14.11 – $42.76)
Most-billed visit code 99204
Established Patient
$70.45 typical visit price
range $18.18 – $139.68
Typical copayment $17.61 (range $4.54 – $34.92)
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.

Other Providers at the Same Location NPPES 9

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

Obstetrics & Gynecology
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Nurse Practitioner (Women's Health)
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Obstetrics & Gynecology
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Nurse Practitioner (Women's Health)
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Specialist
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Obstetrics & Gynecology
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Obstetrics & Gynecology
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015
Obstetrics & Gynecology
3201 MATLOCK RD STE 350
ARLINGTON, TX 76015

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 Walker's NPI number?

The NPI number for William Walker is 1447607387. It was assigned to this individual provider in the NPPES registry on May 20, 2016.

Where is William Walker located?

William Walker practices at 3201 Matlock Rd Ste 350, Arlington, TX 76015. The listed phone number is (817) 468-3255.

What is William Walker's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is William Walker enrolled in Medicare?

Yes. William Walker 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.

What insurance does William Walker 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 Walker 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.

Is William Walker affiliated with any hospitals?

According to CMS data, William Walker is affiliated with Medical City Arlington.

When was this NPI record last updated?

The NPPES record for William Walker was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.