LYNN MARIE ARMSTRONG FNP-BC
NPI 1992032940
Nurse Practitioner - Family in Redondo Beach, CA

Active since November 12, 2009PECOS Enrolled
502 TORRANCE BLVD, REDONDO BEACH, CA 90277(310) 316-0811 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 4, 2025, May 16, 2023 (2 updates tracked since 2023).

About Lynn Marie Armstrong Fnp-bc NPPES

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

LYNN MARIE ARMSTRONG FNP-BC (NPI 1992032940) is an individual family provider in Redondo Beach, California, licensed in California (654854) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1992032940
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLYNN MARIE ARMSTRONGCredential: FNP-BC
Location Address502 TORRANCE BLVDRedondo Beach, CA 90277-3413
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Enumeration DateNovember 12, 2009
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1992032940 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 · 654854
502 TORRANCE BLVD, Redondo Beach, CA 90277

Secondary Practice Locations 2

Location 1593 W 6th StSan Pedro, CA 90731-2521 · Phone (310) 547-0202
Location 21260 15th StSanta Monica, CA 90404-1135 · Phone (310) 656-1702 · Fax (310) 458-1061

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lynn Marie Armstrong 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Lynn Armstrong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
Internal Medicine
200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 1,766 clinicians in this Medicare group

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 90277 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 20

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

Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Internal Medicine (Allergy & Immunology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Radiology (Diagnostic Radiology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Allergy & Immunology
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Psychiatry & Neurology (Neurology)
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277
Family Medicine
502 TORRANCE BLVD
REDONDO BEACH, CA 90277

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 Armstrong's NPI number?

The NPI number for Lynn Armstrong is 1992032940. It was assigned to this individual provider in the NPPES registry on November 12, 2009.

Where is Lynn Armstrong located?

Lynn Armstrong practices at 502 Torrance Blvd, Redondo Beach, CA 90277. The listed phone number is (310) 316-0811.

What is Lynn Armstrong's specialty?

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

Is Lynn Armstrong enrolled in Medicare?

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

Which organizations bill Medicare for Lynn Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Armstrong reassigns Medicare benefits to 2 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and The Regents Of The University Of California (Los Angeles, CA). 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 Lynn Armstrong'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 Lynn Armstrong was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.