MR. WILLIAM BYRON COOK ARNP
NPI 1669490751
Nurse Practitioner - Pediatrics in Houston, TX
About Mr. William Byron Cook Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM BYRON COOK ARNP (NPI 1669490751) is an individual pediatrics provider in Houston, Texas, licensed in Texas (AP122534) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Mr. William Byron Cook Arnp 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cook's NPI number?
The NPI number for William Cook is 1669490751. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is William Cook located?
William Cook practices at 6410 Fannin St Ste 700, Houston, TX 77030. The listed phone number is (713) 500-6459.
What is William Cook's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is William Cook enrolled in Medicare?
Yes. William Cook 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 Cook 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 3 other insurers list William Cook 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 Cook was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mr. William Byron Cook, ARNP · NPI 1669490751
Pediatrics physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1669490751 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** AP122534 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6410 FANNIN ST STE 700, Houston, TX 77030-5205
- **Phone:** (713) 500-6459 · **Fax:** (713) 500-0530
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** March 25, 2026
- **Other identifiers:** Medicaid 9637570 (WA); Medicaid 4301414 (MT); Medicaid 806632600 (ID); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669490751) · Data from the CMS NPPES public registry.