TASHA WILLIAMS
NPI 1497045454
Nurse Practitioner - Psychiatric/Mental Health in Bartlesville, OK

Active since April 12, 2011PECOS EnrolledAccepts Medicare Assignment
700 S PENN AVE, BARTLESVILLE, OK 74003(918) 273-1841(918) 273-1843 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tasha Williams NPPES

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

TASHA WILLIAMS (NPI 1497045454) is an individual psychiatric/mental health provider in Bartlesville, Oklahoma, licensed in Oklahoma (225849) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Nowata, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1497045454
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTASHA WILLIAMS
Location Address700 S PENN AVEBartlesville, OK 74003-3847
Mailing Address114 W Delaware AveNowata, OK 74048-2601 · (918) 273-1841 · Fax (918) 273-1843
Fax(918) 273-1843
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateApril 12, 2011
Last NPPES UpdateJune 25, 2026
NPPES CertifiedJune 25, 2026
✔ NPI 1497045454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in OK · 225849
700 S PENN AVE, Bartlesville, OK 74003

Secondary Practice Location 1

Location 1325 S Ash StNowata, OK 74048-4628 · Phone (844) 458-2100

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tasha Williams 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 ID4789160763
PECOS Enrollment IDI20260108004255
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 Reassignment

Medicare enrollment records show Tasha Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health (Including Community Mental Health Center)
700 SW PENN AVE
Bartlesville, OK 74003
  • Reassigned Medicare billing, Oklahoma enrollment
  • 333 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 74003 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
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.

Counselor (Mental Health)
700 S PENN AVE
BARTLESVILLE, OK 74003
Counselor (Mental Health)
700 S PENN AVE
BARTLESVILLE, OK 74003
Peer Specialist
700 S PENN AVE
BARTLESVILLE, OK 74003
Case Manager/Care Coordinator
700 S PENN AVE
BARTLESVILLE, OK 74003
Peer Specialist
700 S PENN AVE
BARTLESVILLE, OK 74003
Counselor (Mental Health)
700 S PENN AVE
BARTLESVILLE, OK 74003
Social Worker (Clinical)
700 S PENN AVE
BARTLESVILLE, OK 74003
Case Manager/Care Coordinator
700 S PENN AVE
BARTLESVILLE, OK 74003

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 Tasha Williams's NPI number?

The NPI number for Tasha Williams is 1497045454. It was assigned to this individual provider in the NPPES registry on April 12, 2011.

Where is Tasha Williams located?

Tasha Williams practices at 700 S Penn Ave, Bartlesville, OK 74003. The listed phone number is (918) 273-1841.

What is Tasha Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Tasha Williams enrolled in Medicare?

Yes. Tasha Williams 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.

Which organization bills Medicare for Tasha Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tasha Williams reassigns Medicare benefits to Grand Lake Mental Health Center, Inc. (Bartlesville, OK). The 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 Tasha Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tasha Williams accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Oscar Insurance Company list Tasha Williams 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 Tasha Williams was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.