DR. CHEE HIAN TAN M.D., PH.D.
NPI 1346263357
Ophthalmology in Pasadena, CA

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
75.94/100
CMS Quality Rating
625 S FAIR OAKS AVE, SUITE 285, PASADENA, CA 91105(626) 817-4747(626) 817-4748 Get Directions Write a Review

NPPES record last updated: January 16, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Chee Hian Tan M.d., Ph.d. NPPES

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

DR. CHEE HIAN TAN M.D., PH.D. (NPI 1346263357) is an individual ophthalmology provider in Pasadena, California, licensed in California (A111014) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1346263357
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. CHEE HIAN TANCredential: M.D., PH.D.
Location Address625 S FAIR OAKS AVE, SUITE 285Pasadena, CA 91105-2613
Mailing Address800 Fairmount Ave, Suite 215Pasadena, CA 91105-3150 · (626) 817-4701 · Fax (626) 817-4702
Fax(626) 817-4748
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJuly 25, 2006
Last NPPES UpdateJanuary 16, 2015
NPI 1346263357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CA · A111014
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.

625 S FAIR OAKS AVE, Pasadena, CA 91105

Other Names 1

Other Name (5)Dr. James Chee Hian Tan M.d., Ph.d.

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. Chee Hian Tan M.d., Ph.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 ID8022144237
PECOS Enrollment IDI20100326000699
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 13

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 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.
864 services572 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
553 services278 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.
296 services246 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
237 services193 patients
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.
233 services197 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
232 services189 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75.94/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost19.81

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.

Internal Medicine
625 S FAIR OAKS AVE, 215
PASADENA, CA 91105
Behavior Analyst
625 S FAIR OAKS AVE, SUITE 200
PASADENA, CA 91105
Dermatology
625 S FAIR OAKS AVE, #200
PASADENA, CA 91105
Pharmacist
625 S FAIR OAKS AVE, SUITE 125
PASADENA, CA 91105
Nurse Practitioner (Acute Care)
625 S FAIR OAKS AVE, SUITE 215
PASADENA, CA 91105
Ophthalmology
625 S FAIR OAKS AVE, SUITE 235
PASADENA, CA 91105
Internal Medicine (Clinical Cardiac Electrophysiology)
625 S FAIR OAKS AVE, SUITE 215
PASADENA, CA 91105
Rehabilitation Practitioner
625 S FAIR OAKS AVE, STE 300
PASADENA, CA 91105

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 Chee Tan's NPI number?

The NPI number for Chee Tan is 1346263357. It was assigned to this individual provider in the NPPES registry on July 25, 2006. The provider is also known as Dr. James Chee Hian Tan M.D., Ph.D..

Where is Chee Tan located?

Chee Tan practices at 625 S Fair Oaks Ave Suite 285, Pasadena, CA 91105. The listed phone number is (626) 817-4747.

What is Chee Tan's specialty?

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

Is Chee Tan enrolled in Medicare?

Yes. Chee Tan 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 Chee Tan accept?

Health plans from Providence Health Plan list Chee Tan 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 Chee Tan was last updated on January 16, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.