Mariko Blumenfeld FNP
Also known as
- Formerly known asLightner, Mariko Elizabeth
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1750820965 is registered to Mariko Blumenfeld FNP, a Family Nurse Practitioner practising at 13690 E 14th St Ste 200 in San Leandro, California. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mariko Blumenfeld FNP has been enumerated in the National Provider Identifier (NPI) registry since 2017.
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
- I20170412000503Nurse 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 Mariko Blumenfeld FNP accepts. To confirm in-network status with your specific health plan, contact Mariko Blumenfeld FNP directly at (510) 297-0550.
Frequently asked
Yes. NPI 1750820965 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 (510) 297-0550.
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. Mariko Blumenfeld FNP is a Type-1 individual NPI.