Dr. Allyssa Marie Montemayor DNP
About this NPIWhat this record shows.
NPI 1356038921 is registered to Dr. Allyssa Marie Montemayor DNP, a Family Nurse Practitioner practising at 3801 Miranda Ave in Palo Alto, California. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Allyssa Marie Montemayor DNP has been enumerated in the National Provider Identifier (NPI) registry since 2023.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 17,143 Family Nurse Practitioner providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250915001984Nurse PractitionerCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Allyssa Marie Montemayor DNP accepts. To confirm in-network status with your specific health plan, contact Dr. Allyssa Marie Montemayor DNP directly at (659) 493-5000.
Frequently asked
Yes. NPI 1356038921 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (659) 493-5000.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Allyssa Marie Montemayor DNP is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 17,143 Family Nurse Practitioner providers are registered in California, and Dr. Allyssa Marie Montemayor DNP is one of them. The figure refreshes each month from the federal source.