CASSIDI ANN HESDON I PA-C
NPI 1629557111
Physician Assistant in Chesterfield, MO

Active since August 07, 2018PECOS EnrolledAccepts Medicare Assignment
15740 S OUTER 40 RD, CHESTERFIELD, MO 63017(636) 237-4700(314) 364-6350 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 3, 2025, Oct 10, 2025, Jun 9, 2022 and 3 more (6 updates tracked since 2018).

About Cassidi Ann Hesdon I Pa-c NPPES

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

CASSIDI ANN HESDON I PA-C (NPI 1629557111) is an individual physician assistant in Chesterfield, Missouri, licensed in Missouri (2025011376) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1629557111
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCASSIDI ANN HESDON ICredential: PA-C
Location Address15740 S OUTER 40 RDChesterfield, MO 63017-2004
Mailing Address15740 S Outer 40 RdChesterfield, MO 63017-2004 · (636) 237-4700 · Fax (314) 364-6350
Fax(314) 364-6350
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 7, 2018
Last NPPES UpdateNovember 3, 20256 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
NPI 1629557111 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 · 2025011376
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 · MedicalTaxonomy 363AM0700X · License MA059985 (PA)
15740 S OUTER 40 RD, Chesterfield, MO 63017

Other Names 1

Former Name (1)Cassidi Ann Udy Pa

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

Cassidi Ann Hesdon I 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 ID8921343237
PECOS Enrollment IDI20251107003850
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 15

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
83 services77 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
80 services79 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
73 services71 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
72 services71 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
47 services47 patients
Blood test, basic group of blood chemicals (calcium, ionized) 80047
A basic group of blood chemicals test, including calcium and ionized, is a simple procedure where a small amount of blood is drawn from your arm. This test helps assess your body's overall health and detect potential disorders like kidney disease or bone disease.
42 services41 patients

Hospital Affiliations CMS Care Compare

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

Mercy Hospital Joplin

Acute Care Hospitals · Joplin, MO
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260001
Location100 Mercy WayJoplin, MO 64804 · Jasper County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63017 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.

Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Family Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Psychiatry & Neurology (Neurology)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Counselor (Professional)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017

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 Cassidi Hesdon's NPI number?

The NPI number for Cassidi Hesdon is 1629557111. It was assigned to this individual provider in the NPPES registry on August 7, 2018. The provider is also known as Cassidi Ann Udy PA.

Where is Cassidi Hesdon located?

Cassidi Hesdon practices at 15740 S Outer 40 Rd, Chesterfield, MO 63017. The listed phone number is (636) 237-4700.

What is Cassidi Hesdon's specialty?

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

Is Cassidi Hesdon enrolled in Medicare?

Yes. Cassidi Hesdon 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.

Is Cassidi Hesdon affiliated with any hospitals?

According to CMS data, Cassidi Hesdon is affiliated with Mercy Hospital Joplin.

When was this NPI record last updated?

The NPPES record for Cassidi Hesdon was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.