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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KARISSA SONNEBORN PA-C
NPI 1184407082
Physician Assistant in Fort Worth, TX

Active since August 15, 2023PECOS EnrolledAccepts Medicare Assignment
1900 MISTLETOE BLVD STE 200, FORT WORTH, TX 76104(817) 878-5333(817) 878-5334 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2026, Apr 13, 2026, Aug 15, 2023 (3 updates tracked since 2023).

About Karissa Sonneborn Pa-c NPPES

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

KARISSA SONNEBORN PA-C (NPI 1184407082) is an individual physician assistant in Fort Worth, Texas, licensed in Texas (PA19685) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1184407082
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKARISSA SONNEBORNCredential: PA-C
Location Address1900 MISTLETOE BLVD STE 200Fort Worth, TX 76104-4049
Mailing Address1900 Mistletoe Blvd Ste 200Fort Worth, TX 76104-4049 · (817) 878-5333 · Fax (817) 878-5334
Phone(817) 878-5333
Fax(817) 878-5334
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 15, 2023
Last NPPES UpdateOctober 2, 20263 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1184407082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in TX · PA19685
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License PA19685 (TX)
1900 MISTLETOE BLVD STE 200, Fort Worth, TX 76104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Blue Cross and Blue Shield of Texas and more.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

Karissa Sonneborn Pa-c 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 ID345728952
PECOS Enrollment IDI20260203003431
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76104 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
$87.20 typical visit price
range $56.47 – $171.07
Typical copayment $21.80 (range $14.11 – $42.76)
Most-billed visit code 99203
Established Patient
$70.45 typical visit price
range $18.18 – $139.68
Typical copayment $17.61 (range $4.54 – $34.92)
Most-billed visit code 99213
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 11

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

KELLEY D ELLIS RNFA, CNOR
Registered Nurse (Medical-Surgical)
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
MR. AARON SHANE WASHINGTON PA-C
Physician Assistant (Surgical)
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
KEVIN TRAN PA-C
Physician Assistant (Surgical)
1900 MISTLETOE BLVD STE 200
FT WORTH, TX 76104
Tarrant County (817) 878-5333
BRENT T ALFORD M.D.
Neurological Surgery
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
ASHLEY WATSON AKERS PA-C
Physician Assistant
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
ANTHONY W. LEE MD
Neurological Surgery
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
THOMAS S ELLIS M.D.
Neurological Surgery
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333
MISS JESSICA DIANE WOMACK MPA, PA-C
Physician Assistant (Surgical)
1900 MISTLETOE BLVD STE 200
FORT WORTH, TX 76104
Tarrant County (817) 878-5333

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 Karissa Sonneborn's NPI number?

The NPI number for Karissa Sonneborn is 1184407082. It was assigned to this individual provider in the NPPES registry on August 15, 2023.

Where is Karissa Sonneborn located?

Karissa Sonneborn practices at 1900 Mistletoe Blvd Ste 200, Fort Worth, TX 76104. The listed phone number is (817) 878-5333.

What is Karissa Sonneborn's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Karissa Sonneborn enrolled in Medicare?

Yes. Karissa Sonneborn 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 Karissa Sonneborn accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Cigna Healthcare and Oscar Insurance Company and 1 other insurer list Karissa Sonneborn 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 Karissa Sonneborn was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.