MS. KATHRYN ANN SIMMONS PA
NPI 1225378201
Physician Assistant in Saint Peters, MO

Q: What is Kathryn Simmons's NPI number?

The NPI number for Kathryn Simmons is 1225378201. It was assigned to this individual provider in the NPPES registry on February 27, 2013.

Q: What is Kathryn Simmons'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 Kathryn Simmons was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 27, 2013PECOS Enrolled

10 HOSPITAL DR, DEPT EMERGENCY MED, SAINT PETERS, MO 63376(314) 362-9123(314) 747-9160 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Ms. Kathryn Ann Simmons Pa NPPES

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

MS. KATHRYN ANN SIMMONS PA (NPI 1225378201) is an individual physician assistant in Saint Peters, Missouri, licensed in Missouri (2013008005) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225378201

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMS. KATHRYN ANN SIMMONSCredential: PA

Location Address10 HOSPITAL DR, DEPT EMERGENCY MEDSaint Peters, MO 63376-1659

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-9123 · Fax (314) 747-9160

Phone(314) 362-9123

Fax(314) 747-9160

Sole ProprietorNo

Enumeration DateFebruary 27, 2013

Last NPPES UpdateJuly 14, 2025

✔ NPI 1225378201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in MO · 2013008005

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.

10 HOSPITAL DR, Saint Peters, MO 63376

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Kathryn Ann Simmons Pa 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.

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

142 services137 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

92 services87 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

28 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63376 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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.