MICHELLE W LY D.O.
NPI 1811161870
Emergency Medicine - Emergency Medical Services in Huntington Beach, CA

Active since April 21, 2008PECOS Enrolled
17772 BEACH BLVD, HUNTINGTON BEACH, CA 92647(714) 843-5011 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Michelle W Ly D.o. NPPES

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

MICHELLE W LY D.O. (NPI 1811161870) is an individual emergency medical services provider in Huntington Beach, California, licensed in Illinois (0036120302) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811161870
Entity TypeIndividualFemale
Primary Taxonomy207PE0004X
Provider Legal NameMICHELLE W LYCredential: D.O.
Location Address17772 BEACH BLVDHuntington Beach, CA 92647-6819
Mailing AddressPo Box 660565Arcadia, CA 91066-0565 · (626) 447-0296 · Fax (626) 447-6057
Sole ProprietorNo
Enumeration DateApril 21, 2008
Last NPPES UpdateNovember 30, 2021
✔ NPI 1811161870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in IL · 0036120302
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 20A10691 (CA)
17772 BEACH BLVD, Huntington Beach, CA 92647

Other Identifiers 1

Other20A10691CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle W Ly D.o. 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

6

Medicare enrollment records show Michelle Ly reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
17772 BEACH BLVD
Huntington Beach, CA 92647
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
Emergency Medicine
7901 WALKER ST
La Palma, CA 90623
  • Reassigned Medicare billing, California enrollment
  • 62 clinicians in this Medicare group
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
Emergency Medicine
2801 ATLANTIC AVE
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 75 clinicians in this Medicare group
Emergency Medicine
2776 PACIFIC AVE
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 56 clinicians in this Medicare group
Emergency Medicine
1300 N VERMONT AVE
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 74 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 92647 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.

Emergency Medicine
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
General Acute Care Hospital
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
Emergency Medicine
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
Psychiatric Unit
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
General Acute Care Hospital
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
General Acute Care Hospital
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
Psychiatry & Neurology (Psychiatry)
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647
Psychiatric Unit
17772 BEACH BLVD
HUNTINGTON BEACH, CA 92647

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 Michelle Ly's NPI number?

The NPI number for Michelle Ly is 1811161870. It was assigned to this individual provider in the NPPES registry on April 21, 2008.

Where is Michelle Ly located?

Michelle Ly practices at 17772 Beach Blvd, Huntington Beach, CA 92647. The listed phone number is (714) 843-5011.

What is Michelle Ly's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Michelle Ly enrolled in Medicare?

Yes. Michelle Ly is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Ly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Ly reassigns Medicare benefits to 6 organizations: Beach Emergency Medical Associates (Huntington Beach, CA), Orange County Emergency Medical Associates, Inc. (La Palma, CA), Southern California Permanente Medical Group (Fullerton, CA), Columbia Emergency Medical Group Inc (Long Beach, CA), Pacific Coast Emergency Medical Associates, Inc (Long Beach, CA) and 1 more organization, listed in the Medicare section above. 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 Michelle Ly'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 Michelle Ly was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.