CLAYTON WOMACK CPNP-AC
NPI 1912378118
Nurse Practitioner - Pediatrics, Critical Care in Flagstaff, AZ

Active since October 13, 2015PECOS Enrolled
1200 N BEAVER ST, FLAGSTAFF, AZ 86001(928) 773-2112 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 13, 2025, Jun 10, 2025, Sep 4, 2024 and 6 more (9 updates tracked since 2016).

About Clayton Womack Cpnp-ac NPPES

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

CLAYTON WOMACK CPNP-AC (NPI 1912378118) is an individual pediatrics, critical care provider in Flagstaff, Arizona, licensed in Arizona (323647) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1912378118
Entity TypeIndividualMale
Primary Taxonomy363LP0222X
Provider Legal NameCLAYTON WOMACKCredential: CPNP-AC
Location Address1200 N BEAVER STFlagstaff, AZ 86001-3118
Mailing Address5219 City Bank Pkwy Ste 35Lubbock, TX 79407-3545 · (806) 761-0333 · Fax (806) 782-0097
Sole ProprietorNo
Enumeration DateOctober 13, 2015
Last NPPES UpdateJune 11, 20269 updates tracked since enumeration
NPPES CertifiedJune 11, 2026
✔ NPI 1912378118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Pediatrics, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0222X
License✔ Licensed in AZ · 323647
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License AP129134 (TX)
Also ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License AP129134 (TX)
1200 N BEAVER ST, Flagstaff, AZ 86001

Secondary Practice Locations 2

Location 1800 E Dawson StTyler, TX 75701-2036 · Phone (903) 606-5956
Location 2602 Indiana AveLubbock, TX 79415-3364 · Phone (806) 775-8828

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clayton Womack Cpnp-ac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

5

Medicare enrollment records show Clayton Womack reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1200 N. BEAVER STREET, ATTN: PAYER CREDENTIALING
Flagstaff, AZ 86001
  • Reassigned Medicare billing, Arizona enrollment
  • 552 clinicians in this Medicare group
Pediatrics
4102 24TH STREET, STE 401
Lubbock, TX 79410
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Cook Childrens Physician Network
  • 1,186 clinicians in this Medicare group
Podiatrist
3601 4TH ST
Lubbock, TX 79430
  • Reassigned Medicare billing, Texas enrollment
  • 685 clinicians in this Medicare group
Emergency Medicine
2201 CLEAR CREEK RD
Killeen, TX 76549
  • Reassigned Medicare billing, Texas enrollment
  • 387 clinicians in this Medicare group
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86001 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 20

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

Anesthesiology
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Pediatrics (Neonatal-Perinatal Medicine)
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Dietitian, Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Emergency Medicine
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Audiologist
1200 N BEAVER ST, AUDIOLOGY DEPARTMENT
FLAGSTAFF, AZ 86001
Neurological Surgery
1200 N BEAVER ST
FLAGSTAFF, AZ 86001
Nurse Anesthetist, Certified Registered
1200 N BEAVER ST
FLAGSTAFF, AZ 86001

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 Clayton Womack's NPI number?

The NPI number for Clayton Womack is 1912378118. It was assigned to this individual provider in the NPPES registry on October 13, 2015.

Where is Clayton Womack located?

Clayton Womack practices at 1200 N Beaver St, Flagstaff, AZ 86001. The listed phone number is (928) 773-2112.

What is Clayton Womack's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.

Is Clayton Womack enrolled in Medicare?

Yes. Clayton Womack is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Clayton Womack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Womack reassigns Medicare benefits to 5 organizations: Northern Arizona Healthcare Corporation (Flagstaff, AZ), Cook Children's Physician Network (Lubbock, TX), Texas Tech University Health Sciences Center Lubbock (Lubbock, TX), Sound Physicians Emergency Medicine Of Texas PLLC (Killeen, TX) and Christus Trinity Clinic Texas (Tyler, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Clayton Womack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Clayton Womack accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas and Cigna HealthCare of Arizona, Inc list Clayton Womack 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 Clayton Womack was last updated on June 11, 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.