MRS. KAREN SHIELDS MAYO FNP-BC
NPI 1144521758
Nurse Practitioner - Family in Mather, CA

Active since November 12, 2010PECOS Enrolled
10535 HOSPITAL WAY, VA MEDICAL CENTER - HEMATOLOGY/ONCOLOGY, MATHER, CA 95655(916) 843-7008(916) 843-7088 Get Directions Write a Review

NPPES record last updated: November 12, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Karen Shields Mayo Fnp-bc NPPES

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

MRS. KAREN SHIELDS MAYO FNP-BC (NPI 1144521758) is an individual family provider in Mather, California, licensed in California (NP20347) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144521758
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. KAREN SHIELDS MAYOCredential: FNP-BC
Location Address10535 HOSPITAL WAY, VA MEDICAL CENTER - HEMATOLOGY/ONCOLOGYMather, CA 95655
Mailing Address10535 Hospital Way, Va Medical Center - Hematology/oncologyMather, CA 95655 · (916) 843-7008 · Fax (916) 843-7088
Fax(916) 843-7088
Sole ProprietorNo
Enumeration DateNovember 12, 2010
NPI 1144521758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · NP20347
Also ListedRegistered Nurse · OncologyTaxonomy 163WX0200X · License RN426218 (CA)
10535 HOSPITAL WAY, Mather, CA 95655

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mrs. Karen Shields Mayo Fnp-bc 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 95655 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

Pharmacist
10535 HOSPITAL WAY
MATHER, CA 95655
Pharmacist
10535 HOSPITAL WAY
MATHER, CA 95655
Specialist
10535 HOSPITAL WAY, DEPT. OF VA SACRAMENTO MEDICAL CENTER
MATHER, CA 95655
Dietitian, Registered
10535 HOSPITAL WAY
MATHER, CA 95655
Marriage & Family Therapist
10535 HOSPITAL WAY
MATHER, CA 95655
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
10535 HOSPITAL WAY
MATHER, CA 95655
Internal Medicine
10535 HOSPITAL WAY
MATHER, CA 95655
Psychologist (Clinical)
10535 HOSPITAL WAY
MATHER, CA 95655

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 Karen Mayo's NPI number?

The NPI number for Karen Mayo is 1144521758. It was assigned to this individual provider in the NPPES registry on November 12, 2010.

Where is Karen Mayo located?

Karen Mayo practices at 10535 Hospital Way VA Medical Center - Hematology/Oncology, Mather, CA 95655. The listed phone number is (916) 843-7008.

What is Karen Mayo's specialty?

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

Is Karen Mayo enrolled in Medicare?

Yes. Karen Mayo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Mayo was last updated on November 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.