DR. GERALD DENNIS CHAN O.D.
NPI 1275525644
Optometrist in Grass Valley, CA

Active since August 22, 2005PECOS EnrolledAccepts Medicare Assignment
360 SIERRA COLLEGE DR, SUITE 100, GRASS VALLEY, CA 95945(530) 273-3190(530) 273-5541 Get Directions Write a Review

NPPES record last updated: August 19, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gerald Dennis Chan O.d. NPPES

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

DR. GERALD DENNIS CHAN O.D. (NPI 1275525644) is an individual optometrist in Grass Valley, California, licensed in California (5832 T) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California - School Of Optometry (1975).

NPPES Registry Identity

NPI1275525644
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. GERALD DENNIS CHANCredential: O.D.
Location Address360 SIERRA COLLEGE DR, SUITE 100Grass Valley, CA 95945-5088
Mailing Address360 Sierra College Dr, Suite 100Grass Valley, CA 95945-5088 · (530) 273-3190 · Fax (530) 273-5541
Fax(530) 273-5541
Sole ProprietorYes
Medical School CMSUniversity Of California - School Of OptometryGraduated 1975
Enumeration DateAugust 22, 2005
Last NPPES UpdateAugust 19, 2008
NPI 1275525644 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 · 5832 T
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.

360 SIERRA COLLEGE DR, Grass Valley, CA 95945

Other Names 1

Other Name (5)Dr. Jerry Chan O.d.

Other Identifiers 5

MedicaidYYY49206YCA
Medicare PINSD0058320
Other0366860001Group Medicare Nsc
OtherYYY49206YGroup Medicare Pin
Medicare UPINT 10134

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. Gerald Dennis Chan 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 ID1557420213
PECOS Enrollment IDI20081110000568
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 5

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.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
92 services89 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
68 services68 patients
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.
21 services21 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.
15 services15 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95945 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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 5

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

Nurse Practitioner (Adult Health)
360 SIERRA COLLEGE DR, SUITE 120
GRASS VALLEY, CA 95945
Family Medicine
360 SIERRA COLLEGE DR, SUITE 120
GRASS VALLEY, CA 95945
Optometrist (Low Vision Rehabilitation)
360 SIERRA COLLEGE DR, SUITE 100
GRASS VALLEY, CA 95945
Optometrist
360 SIERRA COLLEGE DR, SUITE 100
GRASS VALLEY, CA 95945
Optometrist
360 SIERRA COLLEGE DR, SUITE 100
GRASS VALLEY, CA 95945

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 Gerald Chan's NPI number?

The NPI number for Gerald Chan is 1275525644. It was assigned to this individual provider in the NPPES registry on August 22, 2005. The provider is also known as Dr. Jerry Chan O.D..

Where is Gerald Chan located?

Gerald Chan practices at 360 Sierra College Dr Suite 100, Grass Valley, CA 95945. The listed phone number is (530) 273-3190.

What is Gerald Chan's specialty?

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

Is Gerald Chan enrolled in Medicare?

Yes. Gerald 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 Gerald Chan accept?

Health plans from Providence Health Plan list Gerald 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 Gerald Chan was last updated on August 19, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.