MEAGAN MARIE WILLIAMS APRN-CNS
NPI 1518488592
Clinical Nurse Specialist - Adult Health in Oklahoma City, OK

Active since June 29, 2017PECOS EnrolledAccepts Medicare Assignment
77.69/100
CMS Quality Rating
3300 NW EXPRESSWAY, OKLAHOMA CITY, OK 73112(405) 250-0639 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 5, 2026, Jun 29, 2017 (2 updates tracked since 2017).

About Meagan Marie Williams Aprn-cns NPPES

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

MEAGAN MARIE WILLIAMS APRN-CNS (NPI 1518488592) is an individual adult health provider in Oklahoma City, Oklahoma, licensed in Oklahoma (0106233) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Integris Baptist Medical Center, Inc, and maintains a secondary practice location in Norman.

NPPES Registry Identity

NPI1518488592
Entity TypeIndividualFemale
Primary Taxonomy364SA2200X
Provider Legal NameMEAGAN MARIE WILLIAMSCredential: APRN-CNS
Location Address3300 NW EXPRESSWAYOklahoma City, OK 73112-4418
Mailing Address2424 Springer Dr Ste 102Norman, OK 73069-3966 · (405) 216-3747 · Fax (405) 339-0377
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 29, 2017
Last NPPES UpdateMarch 5, 20262 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1518488592 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SA2200X
License✔ Licensed in OK · 0106233
3300 NW EXPRESSWAY, Oklahoma City, OK 73112

Secondary Practice Location 1

Location 12424 Springer Dr Ste 304Norman, OK 73069-3966 · Phone (405) 906-2191 · Fax (405) 920-6420

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

Meagan Marie Williams Aprn-cns 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 ID7911376207
PECOS Enrollment IDI20221208000701
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

2

Medicare enrollment records show Meagan Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3001 QUAIL SPRINGS PKWY
Oklahoma City, OK 73134
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,058 clinicians in this Medicare group
Family Medicine
2424 SPRINGER DR STE 304
Norman, OK 73069
  • Reassigned Medicare billing, Oklahoma enrollment
  • 13 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.

Areas of Expertise CMS Part B claims 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
95 services93 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
24 services23 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Integris Baptist Medical Center, Inc

Acute Care Hospitals · Oklahoma City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370028
Location3300 Northwest ExpresswayOklahoma City, OK 73112 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.52
Promoting Interoperability100
Improvement Activities40
Cost43.13

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.

Nurse Practitioner (Acute Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Anesthesiology
3300 NW EXPRESSWAY, 2ND FLOOR, DEPARTMENT OF ANESTHESIOLOGY
OKLAHOMA CITY, OK 73112
Physician Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Neonatal)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Physical Therapy Assistant
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Nurse Practitioner (Pediatrics, Critical Care)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Registered Nurse (Emergency)
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112
Registered Nurse
3300 NW EXPRESSWAY
OKLAHOMA CITY, OK 73112

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 Meagan Williams's NPI number?

The NPI number for Meagan Williams is 1518488592. It was assigned to this individual provider in the NPPES registry on June 29, 2017.

Where is Meagan Williams located?

Meagan Williams practices at 3300 NW Expressway, Oklahoma City, OK 73112. The listed phone number is (405) 250-0639.

What is Meagan Williams's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Adult Health, with taxonomy code 364SA2200X.

Is Meagan Williams enrolled in Medicare?

Yes. Meagan 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 organizations bill Medicare for Meagan Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Meagan Williams reassigns Medicare benefits to 2 organizations: Integris Ambulatory Care Corporation (Oklahoma City, OK) and On-Site Care LLC (Norman, OK). 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 Meagan Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Meagan Williams accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Meagan 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.

Is Meagan Williams affiliated with any hospitals?

According to CMS data, Meagan Williams is affiliated with Integris Baptist Medical Center, Inc.

When was this NPI record last updated?

The NPPES record for Meagan Williams was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.