LY THI TONG M.D.
NPI 1023036415
Ophthalmology in Woodland Hills, CA

Q: What is Ly Tong's NPI number?

The NPI number for Ly Tong is 1023036415. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Ly Tong's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Ly Tong was last updated on December 15, 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.

Active since July 17, 2006PECOS Enrolled

5601 DE SOTO AVE, WOODLAND HILLS, CA 91367(818) 719-3770(818) 719-2201 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Ly Thi Tong M.d. NPPES

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

LY THI TONG M.D. (NPI 1023036415) is an individual ophthalmology provider in Woodland Hills, California, licensed in California (A85786) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023036415

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameLY THI TONGCredential: M.D.

Location Address5601 DE SOTO AVEWoodland Hills, CA 91367-6701

Mailing Address5601 De Soto Ave, Department Of Ophthalmology, 2nd FloorWoodland Hills, CA 91367-6701 · (818) 719-3770

Phone(818) 719-3770

Fax(818) 719-2201

Sole ProprietorNo

Enumeration DateJuly 17, 2006

Last NPPES UpdateDecember 15, 2021

✔ NPI 1023036415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A85786

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

5601 DE SOTO AVE, Woodland Hills, CA 91367

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Other Identifiers 1

Medicaid00A857860CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ly Thi Tong M.d. 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 Reassignment

Medicare enrollment records show Ly Tong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

5601 DE SOTO AVE
Woodland Hills, CA 91367

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1952333478 (818) 719-2000

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 91367 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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.

TIMOTHY STARR MPT

Physical Therapist (Orthopedic)

5601 DE SOTO AVE, PHYSICAL THERAPY DEPARTMENT
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2930

MS. BONNIE JILL WEISSMAN P.T.A.

Technician, Other

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-3958

MANO SHANAA M.D.

Anesthesiology

5601 DE SOTO AVE, DEPT OF ANESTHESIA
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2261

DONNA M KARY CRNA

Nurse Anesthetist, Certified Registered

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

PAULA MONAGHAN CNM

Advanced Practice Midwife

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

DEAN T. NORA MD

Surgery (Surgical Oncology)

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

MARGARET M. STONE MD

Pediatrics (Pediatric Infectious Diseases)

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

KARIN L NIELSEN PA

Physician Assistant

5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

Los Angeles County (818) 719-2000

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 Ly Tong's NPI number?

The NPI number for Ly Tong is 1023036415. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Ly Tong located?

Ly Tong practices at 5601 De Soto Ave, Woodland Hills, CA 91367. The listed phone number is (818) 719-3770.

What is Ly Tong's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Ly Tong enrolled in Medicare?

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

Which organization bills Medicare for Ly Tong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ly Tong reassigns Medicare benefits to Southern California Permanente Medical Group (Woodland Hills, CA). The 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 Ly Tong'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 Ly Tong was last updated on December 15, 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.