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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIE LAURA CHAN OD
NPI 1689635542
Optometrist in Walnut Creek, CA

Active since March 30, 2006PECOS Enrolled
675 YGNACIO VALLEY RD, STE B103, WALNUT CREEK, CA 94596(925) 933-4700(925) 933-4721 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Feb 22, 2016 (2 updates tracked since 2016).

About Stephanie Laura Chan Od NPPES

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

STEPHANIE LAURA CHAN OD (NPI 1689635542) is an individual optometrist in Walnut Creek, California, licensed in California (11413T) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (2000).

NPPES Registry Identity

NPI1689635542
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameSTEPHANIE LAURA CHANCredential: OD
Location Address675 YGNACIO VALLEY RD, STE B103Walnut Creek, CA 94596-3883
Mailing Address675 Ygnacio Valley Rd, Ste B103Walnut Creek, CA 94596-3883 · (925) 933-4700 · Fax (925) 933-4721
Phone(925) 933-4700
Fax(925) 933-4721
Sole ProprietorNo
Medical School CMSUniversity Of California - School Of OptometryGraduated 2000
Enumeration DateMarch 30, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1689635542 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 · 11413T
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.
675 YGNACIO VALLEY RD, Walnut Creek, CA 94596
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Stephanie Laura Chan Od 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 ID42517278
PECOS Enrollment IDI20160401001049
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
94 services94 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services17 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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 14

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

THOMAS M. CALLAN OD
Optometrist
675 YGNACIO VALLEY RD, SUITE B103
WALNUT CREEK, CA 94596
Contra Costa County (925) 933-0270
JONATHAN GELERIS D.D.S.
Dentist (General Practice)
675 YGNACIO VALLEY RD, B105
WALNUT CREEK, CA 94596
Contra Costa County (925) 813-0402
AVCARE - SENIORS IN-HOME HELPMATES
In Home Supportive Care
675 YGNACIO VALLEY RD, STE B-108
WALNUT CREEK, CA 94596
Contra Costa County (800) 557-4905
MING FANG MD INC
Internal Medicine (Gastroenterology)
675 YGNACIO VALLEY RD, SUITE 215
WALNUT CREEK, CA 94596
Contra Costa County (925) 776-7600
MARIDEZ BRINAS JENKINS F.N.P.
Nurse Practitioner (Family)
675 YGNACIO VALLEY RD
WALNUT CREEK, CA 94596
Contra Costa County (650) 692-9751
DR. NICHOLAS HUGHES HYDE MD
Phlebology
675 YGNACIO VALLEY RD, SUITE B214
WALNUT CREEK, CA 94596
Contra Costa County (925) 937-8346
INSIGHT VISION CARE OPTOMETRY
Optometrist
675 YGNACIO VALLEY RD, #B103
WALNUT CREEK, CA 94596
Contra Costa County (925) 933-4700
MING FANG MD
Internal Medicine (Gastroenterology)
675 YGNACIO VALLEY RD, SUITE 215
WALNUT CREEK, CA 94596
Contra Costa County (925) 776-7600

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 Stephanie Chan's NPI number?

The NPI number for Stephanie Chan is 1689635542. It was assigned to this individual provider in the NPPES registry on March 30, 2006.

Where is Stephanie Chan located?

Stephanie Chan practices at 675 Ygnacio Valley Rd Ste B103, Walnut Creek, CA 94596. The listed phone number is (925) 933-4700.

What is Stephanie Chan's specialty?

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

Is Stephanie Chan enrolled in Medicare?

Yes. Stephanie Chan 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 Stephanie Chan accept?

Health plans from Providence Health Plan list Stephanie Chan 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 Stephanie Chan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.