MS. LYNN KEITZ FNP-C
NPI 1699231621
Nurse Practitioner - Family in Signal Hill, CA

Active since February 14, 2019PECOS Enrolled
2855 TEMPLE AVE STE B, SIGNAL HILL, CA 90755(562) 426-7500(562) 424-9588 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 2, 2026, Feb 14, 2019 (2 updates tracked since 2019).

About Ms. Lynn Keitz Fnp-c NPPES

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

MS. LYNN KEITZ FNP-C (NPI 1699231621) is an individual family provider in Signal Hill, California, licensed in California (95009387) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699231621
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. LYNN KEITZCredential: FNP-C
Location Address2855 TEMPLE AVE STE BSignal Hill, CA 90755-2212
Mailing Address21 Carmel Bay DrCorona Del Mar, CA 92625-1006 · (562) 755-7200
Fax(562) 424-9588
Sole ProprietorNo
Enumeration DateFebruary 14, 2019
Last NPPES UpdateApril 2, 20262 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
NPI 1699231621 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 · 95009387
2855 TEMPLE AVE STE B, Signal Hill, CA 90755

Other Names 1

Former Name (1)Ms. Lynn Santillo Rn

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Lynn Keitz Fnp-c 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 90755 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 6

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

Nurse Practitioner
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755
Nurse Practitioner (Family)
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755
Nurse Practitioner (Adult Health)
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755
Hospice Care, Community Based
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755
Nurse Practitioner
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755
Nurse Practitioner
2855 TEMPLE AVE STE B
SIGNAL HILL, CA 90755

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 Lynn Keitz's NPI number?

The NPI number for Lynn Keitz is 1699231621. It was assigned to this individual provider in the NPPES registry on February 14, 2019. The provider is also known as Ms. Lynn Santillo Rn.

Where is Lynn Keitz located?

Lynn Keitz practices at 2855 Temple Ave Ste B, Signal Hill, CA 90755. The listed phone number is (562) 426-7500.

What is Lynn Keitz's specialty?

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

Is Lynn Keitz enrolled in Medicare?

Yes. Lynn Keitz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lynn Keitz was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.