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DR. PAUL HUNG-LI PENG O.D.
NPI 1013049840
Optometrist in Castro Valley, CA

Active since March 09, 2007PECOS EnrolledAccepts Medicare Assignment
4041 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552(510) 881-8343(510) 881-8501 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Paul Hung-li Peng O.d. NPPES

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

DR. PAUL HUNG-LI PENG O.D. (NPI 1013049840) is an individual optometrist in Castro Valley, California, licensed in California (8665TGLC) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1013049840
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. PAUL HUNG-LI PENGCredential: O.D.
Location Address4041 E CASTRO VALLEY BLVDCastro Valley, CA 94552-4840
Mailing Address4041 E Castro Valley BlvdCastro Valley, CA 94552-4840 · (510) 881-8343 · Fax (510) 881-8501
Phone(510) 881-8343
Fax(510) 881-8501
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateMarch 9, 2007
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1013049840 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 8665TGLC
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
4041 E CASTRO VALLEY BLVD, Castro Valley, CA 94552
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Paul Hung-li Peng 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 ID7618908146
PECOS Enrollment IDI20050825001066
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 Paul Peng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Castro Valley Optometry Group, Inc.
0.8 mi
Optometrist
4041 E CASTRO VALLEY BLVD
Castro Valley, CA 94552
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1073817060 (510) 881-8343
Permanente Medical Group Inc
17 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

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 94552 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 6

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

CASTRO VALLEY OPTOMETRY GROUP, INC.
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343
DR. RICHARD WILLIAM SEQUEIRA O.D.
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343
MISS CHI NGOC QUANG O.D.
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343
RICHARD SEQUEIRA ET AL PTRS
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343
DR. MARGARET ELIZABETH FRANCISCO O.D.
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343
DR. SHERI ANN HEATH O.D.
Optometrist
4041 E CASTRO VALLEY BLVD
CASTRO VALLEY, CA 94552
Alameda County (510) 881-8343

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 Paul Peng's NPI number?

The NPI number for Paul Peng is 1013049840. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Paul Peng located?

Paul Peng practices at 4041 E Castro Valley Blvd, Castro Valley, CA 94552. The listed phone number is (510) 881-8343.

What is Paul Peng's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Paul Peng enrolled in Medicare?

Yes. Paul Peng 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.

Which organizations bill Medicare for Paul Peng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Paul Peng reassigns Medicare benefits to 2 organizations: Castro Valley Optometry Group, Inc. (Castro Valley, CA) and Permanente Medical Group Inc (Redwood City, 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 Paul Peng'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 Paul Peng was last updated on February 11, 2022. 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.