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LOUANNE LANE GIANGRECO MD
NPI 1740390574
Emergency Medicine in Hayward, CA

Active since August 30, 2006PECOS Enrolled
22331 MISSION BLVD, HAYWARD, CA 94541(510) 471-5880 Get Directions Write a Review

NPPES record last updated: August 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2024, Nov 10, 2023 (2 updates tracked since 2023).

About Louanne Lane Giangreco Md NPPES

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

LOUANNE LANE GIANGRECO MD (NPI 1740390574) is an individual emergency medicine provider in Hayward, California, licensed in California (C198335) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740390574
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameLOUANNE LANE GIANGRECOCredential: MD
Location Address22331 MISSION BLVDHayward, CA 94541-3911
Mailing Address1260 B St Ste 125Hayward, CA 94541-2934 · (510) 471-5880
Phone(510) 471-5880
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateAugust 14, 20242 updates tracked since enumeration
NPPES CertifiedAugust 14, 2024
✔ NPI 1740390574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · C198335✔ Licensed in RI · ME164287✔ Licensed in TN · 69938✔ Licensed in FL · ME164287✔ Licensed in NY · 236573✔ Licensed in AL · MD.47637
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
22331 MISSION BLVD, Hayward, CA 94541
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Other Names 1

Former Name (1)Louanne Lane Ten Kate Md

Other Identifiers 1

Medicaid02683714NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Louanne Lane Giangreco Md 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Louanne Giangreco reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

American Family Care, LLC
1,962 mi
Primary Care
1285 HWY 72 EAST
Athens, AL 35611
  • Reassigned Medicare billing, Alabama enrollment
  • 660 clinicians in this Medicare group
NPI 1629470356 (256) 278-3004
Cma Medical Practice PLLC
2,408 mi
Emergency Medicine
101 DATES DR
Ithaca, NY 14850
  • Reassigned Medicare billing, New York enrollment
  • 59 clinicians in this Medicare group
NPI 1962985564 (607) 274-4011
Wellnow Urgent Care, PC
2,418 mi
Urgent Care
7375 OSWEGO RD, SUITE1
Liverpool, NY 13090
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Wellnow Urgent Care, P.C.
  • 511 clinicians in this Medicare group
NPI 1669825162 (716) 699-9032

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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)
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
DR. MELISSA ROSE MD
Pediatrics
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
TIBURCIO VASQUEZ HEALTH CENTER, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
JASMINE SANCHEZ RIVAS
Dentist
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
NATALIE RAMIREZ CNM
Advanced Practice Midwife
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
GABRIELA MARIA CHICA
Nurse Practitioner (Pediatrics)
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5907
JESSICA PRICE FNP-C
Nurse Practitioner
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880
JACQUELINE JOYA B.S
Counselor
22331 MISSION BLVD
HAYWARD, CA 94541
Alameda County (510) 471-5880

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 Louanne Giangreco's NPI number?

The NPI number for Louanne Giangreco is 1740390574. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Louanne Lane Ten Kate MD.

Where is Louanne Giangreco located?

Louanne Giangreco practices at 22331 Mission Blvd, Hayward, CA 94541. The listed phone number is (510) 471-5880.

What is Louanne Giangreco's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Louanne Giangreco enrolled in Medicare?

Yes. Louanne Giangreco is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Louanne Giangreco's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louanne Giangreco reassigns Medicare benefits to 3 organizations: American Family Care, LLC (Athens, AL), Cma Medical Practice PLLC (Ithaca, NY) and Wellnow Urgent Care, PC (Liverpool, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Louanne Giangreco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Louanne Giangreco was last updated on August 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.