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DR. WILLIAM WALKER PEACOCK PSY.D.
NPI 1780976159
Psychologist - Clinical in Houston, TX

Active since May 04, 2011Opted out of Medicare · through Oct 28, 2027
1001 WEST LOOP S, SUITE 215, HOUSTON, TX 77027(713) 621-9515(713) 621-7015 Get Directions Write a Review

NPPES record last updated: December 9, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Walker Peacock Psy.d. NPPES

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

DR. WILLIAM WALKER PEACOCK PSY.D. (NPI 1780976159) is an individual clinical provider in Houston, Texas, licensed in Texas (34891) and active in the NPI registry since May 2011. He has opted out of Medicare through October 28, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1780976159
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. WILLIAM WALKER PEACOCKCredential: PSY.D.
Location Address1001 WEST LOOP S, SUITE 215Houston, TX 77027-9084
Mailing Address1001 West Loop S, Suite 215Houston, TX 77027-9084 · (713) 621-9515 · Fax (713) 621-7015
Phone(713) 621-9515
Fax(713) 621-7015
Sole ProprietorNo
Enumeration DateMay 4, 2011
Last NPPES UpdateDecember 9, 2011
✔ NPI 1780976159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in TX · 34891
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1001 WEST LOOP S, Houston, TX 77027
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. William Walker Peacock Psy.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 28, 2015 through October 28, 2027.

Opt-Out Effective DateOctober 28, 2015
Opt-Out In Effect ThroughOctober 28, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77027 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
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 4

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

UNITED WELLNESS GROUP LP
Dietitian, Registered
1001 WEST LOOP S, SUITE 850
HOUSTON, TX 77027
Harris County (877) 899-8996
DERMATOLOGY & COSMETIC SURGERY ASSOCIATES PA
Specialist
1001 WEST LOOP S, STE 813
HOUSTON, TX 77027
Harris County (713) 960-1311
EMC GLOBAL LLC
Case Management
1001 WEST LOOP S
HOUSTON, TX 77027
Harris County (267) 221-1724
TARNOW AND ASSOCIATES, P.A.
Specialist
1001 WEST LOOP S, 215
HOUSTON, TX 77027
Harris County (713) 621-9515

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 Peacock's NPI number?

The NPI number for William Peacock is 1780976159. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Where is William Peacock located?

William Peacock practices at 1001 West Loop S Suite 215, Houston, TX 77027. The listed phone number is (713) 621-9515.

What is William Peacock's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is William Peacock enrolled in Medicare?

No. William Peacock has opted out of Medicare through October 28, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for William Peacock was last updated on December 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.