BRENDA IRENE CASTOLO AGACNP-BC
NPI 1083195408
Nurse Practitioner in Palo Alto, CA

Active since August 23, 2018PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
900 WELCH RD STE 350, PALO ALTO, CA 94304(650) 723-6576 Get Directions Write a Review

NPPES record last updated: January 9, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 9, 2019, Aug 23, 2018 (2 updates tracked since 2018).

About Brenda Irene Castolo Agacnp-bc NPPES

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

BRENDA IRENE CASTOLO AGACNP-BC (NPI 1083195408) is an individual nurse practitioner in Palo Alto, California, licensed in California (95009709) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fremont, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1083195408
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameBRENDA IRENE CASTOLOCredential: AGACNP-BC
Location Address900 WELCH RD STE 350Palo Alto, CA 94304-1807
Mailing Address3623 Park Ridge DrRichmond, CA 94806-6102 · (510) 313-8354
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 23, 2018
Last NPPES UpdateJanuary 9, 20192 updates tracked since enumeration
NPI 1083195408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in CA · 95009709
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 95009709 (CA)
900 WELCH RD STE 350, Palo Alto, CA 94304

Secondary Practice Location 1

Location 12000 Mowry AveFremont, CA 94538-1716 · Phone (510) 313-8354

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

Brenda Irene Castolo Agacnp-bc 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 ID3678812526
PECOS Enrollment IDI20190311002725
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.

Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
29 services29 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
20 services20 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

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.

Student in an Organized Health Care Education/Training Program
900 WELCH RD STE 350
PALO ALTO, CA 94304
Emergency Medicine
900 WELCH RD STE 350
PALO ALTO, CA 94304
Nurse Practitioner (Family)
900 WELCH RD STE 350
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
900 WELCH RD STE 350
PALO ALTO, CA 94304
Emergency Medicine
900 WELCH RD STE 350
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
900 WELCH RD STE 350
PALO ALTO, CA 94304
Student in an Organized Health Care Education/Training Program
900 WELCH RD STE 350
PALO ALTO, CA 94304
Emergency Medicine
900 WELCH RD STE 350
PALO ALTO, CA 94304

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 Brenda Castolo's NPI number?

The NPI number for Brenda Castolo is 1083195408. It was assigned to this individual provider in the NPPES registry on August 23, 2018.

Where is Brenda Castolo located?

Brenda Castolo practices at 900 Welch Rd Ste 350, Palo Alto, CA 94304. The listed phone number is (650) 723-6576.

What is Brenda Castolo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Brenda Castolo enrolled in Medicare?

Yes. Brenda Castolo 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 Brenda Castolo was last updated on January 9, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.