DIANE MONTEFALCON CASTIGNANI FNP
NPI 1881132801
Nurse Practitioner in San Jose, CA

Active since February 09, 2017PECOS EnrolledAccepts Medicare Assignment
798 S WINCHESTER BLVD, SAN JOSE, CA 95128(408) 984-7226(408) 984-7225 Get Directions Write a Review

NPPES record last updated: July 11, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 11, 2022, Mar 20, 2018, Feb 15, 2018 and 2 more (5 updates tracked since 2017).

About Diane Montefalcon Castignani Fnp NPPES

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

DIANE MONTEFALCON CASTIGNANI FNP (NPI 1881132801) is an individual nurse practitioner in San Jose, California, licensed in California (95005831) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1881132801
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameDIANE MONTEFALCON CASTIGNANICredential: FNP
Location Address798 S WINCHESTER BLVDSan Jose, CA 95128-2928
Mailing Address798 S Winchester BlvdSan Jose, CA 95128-2928 · (408) 984-7226 · Fax (408) 984-7225
Fax(408) 984-7225
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 9, 2017
Last NPPES UpdateJuly 11, 20225 updates tracked since enumeration
NPPES CertifiedJuly 11, 2022
NPI 1881132801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in CA · 95005831
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.
798 S WINCHESTER BLVD, San Jose, CA 95128

Secondary Practice Locations 2

Location 115400 Los Gatos BlvdLos Gatos, CA 95032-2502 · Phone (408) 730-6200
Location 2751 S Bascom AveSan Jose, CA 95128-2604 · Phone (408) 885-5000

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

Diane Montefalcon Castignani Fnp 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 ID2062774128
PECOS Enrollment IDI20180329002061
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 12

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 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.
243 services230 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.
119 services119 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
53 services46 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
28 services28 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
23 services22 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95128 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.

Other Providers at the Same Location NPPES 5

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

Radiology (Radiation Oncology)
798 S WINCHESTER BLVD
SAN JOSE, CA 95128
Radiology (Diagnostic Radiology)
798 S WINCHESTER BLVD
SAN JOSE, CA 95128
Radiology (Diagnostic Radiology)
798 S WINCHESTER BLVD
SAN JOSE, CA 95128
Nurse Practitioner
798 S WINCHESTER BLVD
SAN JOSE, CA 95128
Radiology (Diagnostic Radiology)
798 S WINCHESTER BLVD
SAN JOSE, CA 95128

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 Diane Castignani's NPI number?

The NPI number for Diane Castignani is 1881132801. It was assigned to this individual provider in the NPPES registry on February 9, 2017.

Where is Diane Castignani located?

Diane Castignani practices at 798 S Winchester Blvd, San Jose, CA 95128. The listed phone number is (408) 984-7226.

What is Diane Castignani's specialty?

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

Is Diane Castignani enrolled in Medicare?

Yes. Diane Castignani 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 Diane Castignani was last updated on July 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.