DR. LYLY UNG O.D.
NPI 1235198631
Optometrist - Low Vision Rehabilitation in San Francisco, CA

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment
940 GENEVA AVE, SAN FRANCISCO, CA 94112(415) 585-6588(415) 585-6403 Get Directions Write a Review

NPPES record last updated: October 15, 2020. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Lyly Ung O.d. NPPES

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

DR. LYLY UNG O.D. (NPI 1235198631) is an individual low vision rehabilitation provider in San Francisco, California, licensed in California (10244TPL) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (1993).

NPPES Registry Identity

NPI1235198631
Entity TypeIndividualFemale
Primary Taxonomy152WL0500X
Provider Legal NameDR. LYLY UNGCredential: O.D.
Location Address940 GENEVA AVESan Francisco, CA 94112-3403
Mailing Address940 Geneva AveSan Francisco, CA 94112-3403 · (415) 585-6588 · Fax (415) 585-6403
Fax(415) 585-6403
Sole ProprietorYes
Medical School CMSSouthern California College Of OptometryGraduated 1993
Enumeration DateMarch 23, 2006
Last NPPES UpdateOctober 15, 2020
NPPES CertifiedOctober 15, 2020
NPI 1235198631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometrist · Low Vision RehabilitationEye and Vision Services Providers
Taxonomy Code152WL0500X
License Licensed in CA · 10244TPL
Definition
Optometrists who specialize in low-vision care having training to assess visual function, prescribe low-vision devices, develop treatment plans, and recommend other vision rehabilitation services.
940 GENEVA AVE, San Francisco, CA 94112

Other Identifiers 1

MedicaidSD0102441CA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Lyly Ung O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557524907
PECOS Enrollment IDI20120522000907
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 94112 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 3

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

Optometrist
940 GENEVA AVE
SAN FRANCISCO, CA 94112
Optometrist
940 GENEVA AVE
SAN FRANCISCO, CA 94112
Optometrist
940 GENEVA AVE
SAN FRANCISCO, CA 94112

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 Lyly Ung's NPI number?

The NPI number for Lyly Ung is 1235198631. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Lyly Ung located?

Lyly Ung practices at 940 Geneva Ave, San Francisco, CA 94112. The listed phone number is (415) 585-6588.

What is Lyly Ung's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Low Vision Rehabilitation, with taxonomy code 152WL0500X.

Is Lyly Ung enrolled in Medicare?

Yes. Lyly Ung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Lyly Ung accept?

Health plans from BlueCross BlueShield of Tennessee and Providence Health Plan list Lyly Ung as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lyly Ung was last updated on October 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.