STEPHANIE KNOWLES APRN-BC
NPI 1104046598
Nurse Practitioner - Acute Care in Frisco, TX

Active since April 26, 2007PECOS EnrolledAccepts Medicare Assignment
5500 FRISCO SQUARE BLVD, FRISCO, TX 75034(469) 430-7836 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 29, 2026, Jan 27, 2022, Dec 10, 2018 (3 updates tracked since 2018).

About Stephanie Knowles Aprn-bc NPPES

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

STEPHANIE KNOWLES APRN-BC (NPI 1104046598) is an individual acute care provider in Frisco, Texas, licensed in Texas (722811) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1104046598
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSTEPHANIE KNOWLESCredential: APRN-BC
Location Address5500 FRISCO SQUARE BLVDFrisco, TX 75034-3305
Mailing Address5500 Frisco Square BlvdFrisco, TX 75034-3305 · (469) 430-7836
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateApril 26, 2007
Last NPPES UpdateJuly 29, 20263 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1104046598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · 722811
Also ListedNurse PractitionerTaxonomy 363L00000X · License 722811 (TX)
5500 FRISCO SQUARE BLVD, Frisco, TX 75034

Other Names 1

Former Name (1)Stephanie Lynn Merrill Aprn-c

Other Identifiers 3

Other839N60TX · Bluecross
Medicaid284693302TX
Medicaid284693301TX

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

Stephanie Knowles Aprn-bc 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 ID2769438449
PECOS Enrollment IDI20140318001913
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 Stephanie Knowles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
7777 FOREST LN, SUITE C -300
Dallas, TX 75230
  • Reassigned Medicare billing, Texas enrollment
  • 70 clinicians in this Medicare group
Orthopaedic Surgery
7777 FOREST LN STE C300G
Dallas, TX 75230
  • Reassigned Medicare billing, Texas enrollment
  • 4 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.

Hospital Affiliations CMS Care Compare

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

Medical City Plano

Acute Care Hospitals · Plano, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450651
Location3901 W 15th StPlano, TX 75075 · Collin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75034 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 17

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

Pediatrics (Pediatric Emergency Medicine)
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Registered Nurse (Medical-Surgical)
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Emergency Medicine
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Internal Medicine
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Physician Assistant
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Registered Nurse
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Physician Assistant
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034
Anesthesiology
5500 FRISCO SQUARE BLVD
FRISCO, TX 75034

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 Stephanie Knowles's NPI number?

The NPI number for Stephanie Knowles is 1104046598. It was assigned to this individual provider in the NPPES registry on April 26, 2007. The provider is also known as Stephanie Lynn Merrill Aprn-C.

Where is Stephanie Knowles located?

Stephanie Knowles practices at 5500 Frisco Square Blvd, Frisco, TX 75034. The listed phone number is (469) 430-7836.

What is Stephanie Knowles's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Stephanie Knowles enrolled in Medicare?

Yes. Stephanie Knowles 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 Stephanie Knowles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Knowles reassigns Medicare benefits to 2 organizations: Dallas Medical Specialists, PLLC (Dallas, TX) and Hip & Joint Specialists Of North Texas PLLC (Dallas, 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 Stephanie Knowles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Knowles accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Stephanie Knowles 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 Stephanie Knowles affiliated with any hospitals?

According to CMS data, Stephanie Knowles is affiliated with Medical City Plano.

When was this NPI record last updated?

The NPPES record for Stephanie Knowles was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.