Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOANNA CUELLAR FNP
NPI 1912679440
Nurse Practitioner - Family in Hayward, CA

Q: What is Joanna Cuellar's NPI number?

The NPI number for Joanna Cuellar is 1912679440. It was assigned to this individual provider in the NPPES registry on October 4, 2021.

Q: What is Joanna Cuellar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Joanna Cuellar was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.

Active since October 04, 2021PECOS Enrolled

22331 MISSION BLVD, HAYWARD, CA 94541(510) 471-5880 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 31, 2026, Jan 23, 2026, Apr 30, 2024 and 1 more (4 updates tracked since 2021).

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About Joanna Cuellar Fnp NPPES

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

JOANNA CUELLAR FNP (NPI 1912679440) is an individual family provider in Hayward, California, licensed in California (95017799) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912679440

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameJOANNA CUELLARCredential: FNP

Location Address22331 MISSION BLVDHayward, CA 94541-3911

Mailing Address22331 Mission BlvdHayward, CA 94541-3911 · (510) 471-5880

Phone(510) 471-5880

Sole ProprietorNo

Enumeration DateOctober 4, 2021

Last NPPES UpdateAugust 31, 20264 updates tracked since enumeration

NPPES CertifiedAugust 31, 2026

✔ NPI 1912679440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95017799

22331 MISSION BLVD, Hayward, CA 94541

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joanna Cuellar Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94541 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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 20

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

DR. EUNICE DIZON DDS

Dentist (General Practice)