KATHARINE JOHANNA WISWALL PA-C
NPI 1376282236
Physician Assistant in San Antonio, TX

Q: What is Katharine Wiswall's NPI number?

The NPI number for Katharine Wiswall is 1376282236. It was assigned to this individual provider in the NPPES registry on May 31, 2022.

Q: What is Katharine Wiswall's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katharine Wiswall was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 31, 2022PECOS Enrolled

903 W MARTIN ST # MS 49-2, SAN ANTONIO, TX 78207(201) 358-5437(210) 358-5890 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 2, 2026, Jan 27, 2026, Dec 3, 2024 and 2 more (5 updates tracked since 2024).

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About Katharine Johanna Wiswall Pa-c NPPES

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

KATHARINE JOHANNA WISWALL PA-C (NPI 1376282236) is an individual physician assistant in San Antonio, Texas, licensed in Texas (PA15665) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376282236

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKATHARINE JOHANNA WISWALLCredential: PA-C

Location Address903 W MARTIN ST # MS 49-2San Antonio, TX 78207-0903

Mailing Address903 W Martin StSan Antonio, TX 78207-0903 · (210) 358-3400

Phone(201) 358-5437

Fax(210) 358-5890

Sole ProprietorNo

Enumeration DateMay 31, 2022

Last NPPES UpdateApril 2, 20265 updates tracked since enumeration

NPPES CertifiedApril 2, 2026

✔ NPI 1376282236 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 · PA15665

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 ListedNurse Practitioner · PediatricsTaxonomy 363LP0200X · License PA15665 (TX)

903 W MARTIN ST # MS 49-2, San Antonio, TX 78207

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Other Identifiers 2

Other1191480Nccpa

OtherPA15665TX · Texas Medical Board

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 (PECOS)

Katharine Johanna Wiswall Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 78207 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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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 20

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

GRACE OVUEGBE ALOZIE

Nurse Practitioner (Pediatrics)