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

MRS. CASSANDRA ASHLEY STROTHKAMP NP-C
NPI 1013568013
Clinical Nurse Specialist - Emergency in Columbia, MO

Active since September 23, 2019PECOS EnrolledAccepts Medicare Assignment
1 HOSPITAL DR, COLUMBIA, MO 65212(573) 882-8091 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2026, Nov 14, 2025, Jun 19, 2024 and 3 more (6 updates tracked since 2019).

About Mrs. Cassandra Ashley Strothkamp Np-c NPPES

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

MRS. CASSANDRA ASHLEY STROTHKAMP NP-C (NPI 1013568013) is an individual emergency provider in Columbia, Missouri, licensed in Missouri (2019037652) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS, is affiliated with Phelps County Regional Medical Center, and maintains a secondary practice location in Jefferson City.

NPPES Registry Identity

NPI1013568013
Entity TypeIndividualFemale
Primary Taxonomy364SE0003X
Provider Legal NameMRS. CASSANDRA ASHLEY STROTHKAMPCredential: NP-C
Location Address1 HOSPITAL DRColumbia, MO 65212-1000
Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0943
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 23, 2019
Last NPPES UpdateSeptember 1, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1013568013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinical Nurse Specialist · EmergencyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SE0003X
License✔ Licensed in MO · 2019037652
Also ListedNurse PractitionerTaxonomy 363L00000X · License F09191332 (MO)
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 2019037652 (MO)
1 HOSPITAL DR, Columbia, MO 65212

Other Names 1

Former Name (1)Cassie Ashley Sartori

Secondary Practice Location 1

Location 11125 Madison StJefferson City, MO 65101-5227 · Phone (573) 632-5880

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

Mrs. Cassandra Ashley Strothkamp Np-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 ID3072948538
PECOS Enrollment IDI20200111000086
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

8

Medicare enrollment records show Cassandra Strothkamp reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1 HOSPITAL DR
Columbia, MO 65212
  • Reassigned Medicare billing, Missouri enrollment
  • 1,395 clinicians in this Medicare group
Rural Health
1050 W 10TH ST
Rolla, MO 65401
  • Reassigned Medicare billing, Missouri enrollment
  • 195 clinicians in this Medicare group
Rural Health
1605 MARTIN SPRINGS DR STE 210
Rolla, MO 65401
  • Reassigned Medicare billing, Missouri enrollment
  • 1,487 clinicians in this Medicare group
General Acute Care Hospital
901 E 5TH ST
Washington, MO 63090
  • Reassigned Medicare billing, Missouri enrollment
  • 178 clinicians in this Medicare group
Emergency Medicine
232 S WOODS MILL RD
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: Emergency Physicians Of St Lukes LLC
  • 124 clinicians in this Medicare group
Family Medicine
11550 OLIVE BLVD
Creve Coeur, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: St. Luke's Immediate Care, LLC
  • 48 clinicians in this Medicare group
General Acute Care Hospital
10010 KENNERLY RD
Saint Louis, MO 63128
  • Reassigned Medicare billing, Missouri enrollment
  • 186 clinicians in this Medicare group
Family Medicine
1501 PROFESSIONAL DR
Imperial, MO 63052
  • Reassigned Medicare billing, Missouri enrollment
  • 26 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.

Areas of Expertise CMS Part B claims 2

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 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.
34 services34 patients
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.
29 services29 patients

Hospital Affiliations CMS Care Compare 4

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

Phelps County Regional Medical Center

Acute Care Hospitals · Rolla, MO
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number260017
Location1000 W 10th StRolla, MO 65401 · Phelps County
Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260052
Location901 East 5th StreetWashington, MO 63090 · Franklin County
Emergency services

Mercy Hospital Lebanon

Acute Care Hospitals · Lebanon, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260059
Location100 Hospital DriveLebanon, MO 65536 · Laclede County
Emergency services Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65212 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers20 claims20 services$115.72 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Clinical Cardiac Electrophysiology)
1 HOSPITAL DR
COLUMBIA, MO 65212
Internal Medicine (Hematology & Oncology)
1 HOSPITAL DR
COLUMBIA, MO 65212
Emergency Medicine
1 HOSPITAL DR
COLUMBIA, MO 65212
Anesthesiology
1 HOSPITAL DR
COLUMBIA, MO 65212
Physician Assistant
1 HOSPITAL DR
COLUMBIA, MO 65212
Orthopaedic Surgery (Orthopaedic Trauma)
1 HOSPITAL DR
COLUMBIA, MO 65212
Psychiatry & Neurology (Neurology)
1 HOSPITAL DR
COLUMBIA, MO 65212
Anesthesiology
1 HOSPITAL DR, DC056.20
COLUMBIA, MO 65212

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 Cassandra Strothkamp's NPI number?

The NPI number for Cassandra Strothkamp is 1013568013. It was assigned to this individual provider in the NPPES registry on September 23, 2019. The provider is also known as Cassie Ashley Sartori.

Where is Cassandra Strothkamp located?

Cassandra Strothkamp practices at 1 Hospital Dr, Columbia, MO 65212. The listed phone number is (573) 882-8091.

What is Cassandra Strothkamp's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Emergency, with taxonomy code 364SE0003X.

Is Cassandra Strothkamp enrolled in Medicare?

Yes. Cassandra Strothkamp 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 Cassandra Strothkamp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Strothkamp reassigns Medicare benefits to 8 organizations: The Curators Of The University Of Missouri (Columbia, MO), Phelps County Regional Medical Center (Rolla, MO), Mercy Clinic-Springfield Communities (Rolla, MO), Mercy Hospitals East Communities (Washington, MO), Emergency Physicians Of St. Luke's, LLC (Chesterfield, MO) and 3 more organizations, listed in the Medicare section above. 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 Cassandra Strothkamp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassandra Strothkamp accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 6 other insurers list Cassandra Strothkamp 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 Cassandra Strothkamp affiliated with any hospitals?

According to CMS data, Cassandra Strothkamp is affiliated with Phelps County Regional Medical Center, Mercy Hospital Washington, Mercy Hospital Lebanon and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Cassandra Strothkamp was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.