Diane Montefalcon Castignani, FNP - Medicare Nurse Practitioner in San Jose, CA

Diane Montefalcon Castignani, FNP is a medicare enrolled "Nurse Practitioner" in San Jose, California. She graduated from nursing school in 2016 and has 8 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice University Healthcare Alliance and her current practice location is 798 S Winchester Blvd, San Jose, California. You can reach out to her office (for appointments etc.) via phone at (408) 984-7226.

Diane Montefalcon Castignani is licensed to practice in California (license number 95005831) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1881132801.

Contact Information

Diane Montefalcon Castignani, FNP
798 S Winchester Blvd,
San Jose, CA 95128-2928
(408) 984-7226
(408) 984-7225

Map and Direction




Provider's Profile

Full NameDiane Montefalcon Castignani
GenderFemale
SpecialityNurse Practitioner
Experience8 Years
Location798 S Winchester Blvd, San Jose, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Diane Montefalcon Castignani graduated from nursing school in 2016
  NPI Data:
  • NPI Number: 1881132801
  • Provider Enumeration Date: 02/09/2017
  • Last Update Date: 07/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2062774128
  • Enrollment ID: I20180329002061

Medical Identifiers

Medical identifiers for Diane Montefalcon Castignani such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881132801NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 95005831 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Stanford Health CareStanford, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Healthcare Alliance6305748799341

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Diane Montefalcon Castignani allows following entities to bill medicare on her behalf.
Entity NameUniversity Healthcare Alliance
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760531198
PECOS PAC ID: 6305748799
Enrollment ID: O20040126000292

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Diane Montefalcon Castignani is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Diane Montefalcon Castignani, FNP
798 S Winchester Blvd,
San Jose, CA 95128-2928

Ph: (408) 984-7226
Diane Montefalcon Castignani, FNP
798 S Winchester Blvd,
San Jose, CA 95128-2928

Ph: (408) 984-7226

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.