KHRISTINA CALDARELLI PA-C
NPI 1811622301
Physician Assistant in Simi Valley, CA

Q: What is Khristina Caldarelli's NPI number?

The NPI number for Khristina Caldarelli is 1811622301. It was assigned to this individual provider in the NPPES registry on July 19, 2022. The provider is also known as Khristina Marjan Shad Pa-C.

Q: What is Khristina Caldarelli's specialty?

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

Active since July 19, 2022PECOS EnrolledAccepts Medicare Assignment

2525 ERRINGER RD, SIMI VALLEY, CA 93065(805) 527-1404(805) 527-5246 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 5, 2026, Jan 20, 2026, Oct 14, 2022 and 1 more (4 updates tracked since 2022).

On this page

About Khristina Caldarelli Pa-c NPPES

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

KHRISTINA CALDARELLI PA-C (NPI 1811622301) is an individual physician assistant in Simi Valley, California and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1811622301

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameKHRISTINA CALDARELLICredential: PA-C

Location Address2525 ERRINGER RDSimi Valley, CA 93065-2352

Mailing Address1203 Flynn Rd Unit 160Camarillo, CA 93012-6203 · (805) 804-4168 · Fax (805) 830-1177

Phone(805) 527-1404

Fax(805) 527-5246

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateJuly 19, 2022

Last NPPES UpdateFebruary 5, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 5, 2026

✔ NPI 1811622301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

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.

2525 ERRINGER RD, Simi Valley, CA 93065

Open in Google Maps ↗

Other Names 1

Former Name (1)Khristina Marjan Shad Pa-c

Other Identifiers 1

Other61776CA · State License

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

Khristina Caldarelli 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 ID9133595853

PECOS Enrollment IDI20221021000492

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 19

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.

Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg J7318

Hyaluronan or derivative, Durolane, is a treatment injected directly into the joint to relieve pain and improve mobility. It's often used for arthritis in the knee. The substance works by supplementing your body's natural joint fluid to help lubricate and cushion the joint.

9,720 services113 patients

Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg J3304

Triamcinolone acetonide is a long-lasting, preservative-free steroid injection. It's delivered in tiny, slow-releasing particles (microspheres) to manage inflammation or related conditions. The dose given is 1 mg. It's generally safe with few side effects.

3,424 services57 patients

Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml A9579

This is an MRI procedure where a gadolinium-based contrast agent is injected into your body. The agent enhances the images, making it easier to detect abnormalities. It's safe and side effects are rare. It's administered per milliliter as needed.

550 services42 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.

502 services313 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

383 services200 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

309 services74 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

200 services151 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

130 services130 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

119 services98 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

58 services45 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

41 services27 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

39 services39 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

36 services16 patients

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.

35 services32 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

23 services22 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

19 services18 patients

Slings A4565

A sling is a supportive device often used to immobilize and protect an injured arm. It helps reduce pain and swelling by keeping your arm still and elevated. It's commonly used for conditions like fractures, dislocations, or after certain surgeries. It's important to wear it as instructed for optimal healing.

19 services19 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

15 services11 patients

X-ray of ribs on side of body, 2 views 71100

This procedure involves taking two separate X-ray images of your ribs from different angles. It's a non-invasive test that helps visualize the bones and surrounding areas to detect any abnormalities or injuries. You'll be positioned carefully to capture the best images.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93065 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

$95.28 typical visit price

range $62.32 – $185.36

Typical copayment $23.82 (range $15.58 – $46.34)

Most-billed visit code 99203

Established Patient

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

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 14

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

MOLLY BRECKLEY PT

Physical Therapist

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 526-2311

PAYAM KASHFIAN, M.D., INC.

Radiology (Diagnostic Radiology)

2525 ERRINGER RD, SUITE A
SIMI VALLEY, CA 93065

Ventura County (805) 520-2663

DORIS A MESCH OTR/L

Occupational Therapist (Hand)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 524-1404

LAKSHMANAN SIVASUNDARAM

Orthopaedic Surgery (Sports Medicine)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

DR. JOANNE HELEN WANG MD

Orthopaedic Surgery (Hand Surgery)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

ZADE NEIL BATARSEH PA-C

Physician Assistant

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

DR. GREGG PHILIP HARTMAN M.D.

Orthopaedic Surgery (Sports Medicine)

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 527-1404

MITCHELL WAYNE MOSDELL DPT

Physical Therapist

2525 ERRINGER RD
SIMI VALLEY, CA 93065

Ventura County (805) 303-2867

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 Khristina Caldarelli's NPI number?

The NPI number for Khristina Caldarelli is 1811622301. It was assigned to this individual provider in the NPPES registry on July 19, 2022. The provider is also known as Khristina Marjan Shad Pa-C.

Where is Khristina Caldarelli located?

Khristina Caldarelli practices at 2525 Erringer Rd, Simi Valley, CA 93065. The listed phone number is (805) 527-1404.

What is Khristina Caldarelli's specialty?

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

Is Khristina Caldarelli enrolled in Medicare?

Yes. Khristina Caldarelli 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.

When was this NPI record last updated?

The NPPES record for Khristina Caldarelli was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.