LACY DIANE WESTFALL APRN-CNP
NPI 1184200669
Nurse Practitioner - Women's Health in Ardmore, OK

Active since March 23, 2021PECOS EnrolledAccepts Medicare Assignment
1116 WALNUT DR, ARDMORE, OK 73401(580) 223-6054(580) 226-2284 Get Directions Write a Review

NPPES record last updated: June 28, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 10, 2022, Mar 23, 2021 (2 updates tracked since 2021).

About Lacy Diane Westfall Aprn-cnp NPPES

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

LACY DIANE WESTFALL APRN-CNP (NPI 1184200669) is an individual women's health provider in Ardmore, Oklahoma, licensed in Oklahoma (201543) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ardmore, Inc, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1184200669
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameLACY DIANE WESTFALLCredential: APRN-CNP
Location Address1116 WALNUT DRArdmore, OK 73401-2353
Mailing Address1116 Walnut DrArdmore, OK 73401-2353 · (580) 226-0543 · Fax (580) 226-6213
Fax(580) 226-2284
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 23, 2021
Last NPPES UpdateJune 28, 20222 updates tracked since enumeration
NPPES CertifiedJune 28, 2022
NPI 1184200669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License Licensed in OK · 201543
Also ListedRegistered Nurse · Women's Health Care, AmbulatoryTaxonomy 163WW0101X · License 201543 (OK)
1116 WALNUT DR, Ardmore, OK 73401

Other Identifiers 1

Medicaid201064730AOK

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

Lacy Diane Westfall Aprn-cnp 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 ID8224415435
PECOS Enrollment IDI20220519001170
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

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.

Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
42 services20 patients

Hospital Affiliations CMS Care Compare

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

Mercy Hospital Ardmore, Inc

Acute Care Hospitals · Ardmore, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number370047
Location1011 14th Ave NWArdmore, OK 73401 · Carter County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73401 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

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

Nurse Practitioner (Family)
1116 WALNUT DR
ARDMORE, OK 73401

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 Lacy Westfall's NPI number?

The NPI number for Lacy Westfall is 1184200669. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Lacy Westfall located?

Lacy Westfall practices at 1116 Walnut Dr, Ardmore, OK 73401. The listed phone number is (580) 223-6054.

What is Lacy Westfall's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Lacy Westfall enrolled in Medicare?

Yes. Lacy Westfall 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 Lacy Westfall accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Lacy Westfall 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 Lacy Westfall affiliated with any hospitals?

According to CMS data, Lacy Westfall is affiliated with Mercy Hospital Ardmore, Inc.

When was this NPI record last updated?

The NPPES record for Lacy Westfall was last updated on June 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.