CLARISSA A CASTILLO PA
NPI 1871506378
Physician Assistant in San Ysidro, CA

Q: What is Clarissa Castillo's NPI number?

The NPI number for Clarissa Castillo is 1871506378. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Q: What is Clarissa Castillo'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 Clarissa Castillo was last updated on August 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.

Active since August 14, 2006PECOS EnrolledAccepts Medicare Assignment

4004 BEYER BLVD, SAN YSIDRO, CA 92173(619) 662-4100(619) 428-7952 Get Directions Write a Review

NPPES record last updated: August 29, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Clarissa A Castillo Pa NPPES

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

CLARISSA A CASTILLO PA (NPI 1871506378) is an individual physician assistant in San Ysidro, California, licensed in California (18154) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1871506378

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameCLARISSA A CASTILLOCredential: PA

Location Address4004 BEYER BLVDSan Ysidro, CA 92173

Mailing Address1275 30th StSan Diego, CA 92154-3476 · (619) 662-4100 · Fax (619) 428-7952

Phone(619) 662-4100

Fax(619) 428-7952

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateAugust 14, 2006

Last NPPES UpdateAugust 29, 2018

✔ NPI 1871506378 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 CA · 18154

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 ListedClinical Nurse Specialist · Family HealthTaxonomy 364SF0001X · License PA18154 (CA)

4004 BEYER BLVD, San Ysidro, CA 92173

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Other Identifiers 1

OtherFHC18880FMedi-cal

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

Clarissa A Castillo 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 ID6608890066

PECOS Enrollment IDI20060124000893

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.

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.

105 services68 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

21 services17 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92173 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

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

13 suppliers74 claims190 services$6.01 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers35 claims49 services$1.12 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.

CENTRO DE SALUD DE LA COMMUNIDAD DE SAN YSIDRO, INC

Clinic/Center (Rural Health)