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KATHERINE PAIGE CASSANI PA
NPI 1144038506
Physician Assistant in Saint Louis, MO

Active since December 18, 2024PECOS EnrolledAccepts Medicare Assignment
1201 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 257-8000 Get Directions Write a Review

NPPES record last updated: March 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 26, 2025, Jan 7, 2025, Dec 18, 2024 (3 updates tracked since 2024).

About Katherine Paige Cassani Pa NPPES

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

KATHERINE PAIGE CASSANI PA (NPI 1144038506) is an individual physician assistant in Saint Louis, Missouri, licensed in Missouri (2025007369) and active in the NPI registry since December 2024. She is enrolled in Medicare PECOS, is affiliated with Ssm Health Saint Louis University Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1144038506
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE PAIGE CASSANICredential: PA
Location Address1201 S GRAND BLVDSaint Louis, MO 63104-1016
Mailing Address1201 S Grand BlvdSaint Louis, MO 63104-1016
Phone(314) 257-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 18, 2024
Last NPPES UpdateMarch 26, 20253 updates tracked since enumeration
NPPES CertifiedMarch 26, 2025
✔ NPI 1144038506 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 MO · 2025007369
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1201 S GRAND BLVD, Saint Louis, MO 63104
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan 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

Katherine Paige Cassani Pa 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 ID1456875509
PECOS Enrollment IDI20250410000193
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.

Hospital Affiliations CMS Care Compare

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

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260105
Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63104 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.

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.

DOUG LONGO APRN
Nurse Practitioner (Acute Care)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
JOHN JOSEPH HOUSER
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
NABIHA NOOR SHAMSHUDDIN MD
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
AMAN PATEL
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
MS. KEELEY FERRELL RYAN PA-C
Physician Assistant
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-1320
PATRICK SWEENEY
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
DR. SHAMEELA NASRULLAH KHIMANI MD
Pediatrics
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-3239
IBRAHIM SHAMASNEH M.D.
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2000

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 Katherine Cassani's NPI number?

The NPI number for Katherine Cassani is 1144038506. It was assigned to this individual provider in the NPPES registry on December 18, 2024.

Where is Katherine Cassani located?

Katherine Cassani practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 257-8000.

What is Katherine Cassani's specialty?

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

Is Katherine Cassani enrolled in Medicare?

Yes. Katherine Cassani 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 Katherine Cassani accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Katherine Cassani 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 Katherine Cassani affiliated with any hospitals?

According to CMS data, Katherine Cassani is affiliated with Ssm Health Saint Louis University Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Cassani was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.