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DR. DEREK T TONG O.D.
NPI 1972574614
Optometrist - Vision Therapy in Pasadena, CA

Active since January 31, 2006Opted out of Medicare · through Sep 1, 2026
2700 E FOOTHILL BLVD, STE 207, PASADENA, CA 91107(626) 578-9685(626) 578-9737 Get Directions Write a Review

NPPES record last updated: September 1, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Derek T Tong O.d. NPPES

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

DR. DEREK T TONG O.D. (NPI 1972574614) is an individual vision therapy provider in Pasadena, California, licensed in California (12008T) and active in the NPI registry since January 2006. He has opted out of Medicare through September 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1972574614
Entity TypeIndividualMale
Primary Taxonomy152WV0400X
Provider Legal NameDR. DEREK T TONGCredential: O.D.
Location Address2700 E FOOTHILL BLVD, STE 207Pasadena, CA 91107-7100
Mailing Address2700 E Foothill Blvd, Ste 207Pasadena, CA 91107-7100 · (626) 578-9685 · Fax (626) 578-9737
Phone(626) 578-9685
Fax(626) 578-9737
Sole ProprietorNo
Enumeration DateJanuary 31, 2006
Last NPPES UpdateSeptember 1, 2016
✔ NPI 1972574614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOptometrist · Vision TherapyEye and Vision Services Providers
Taxonomy Code152WV0400X
License✔ Licensed in CA · 12008T
Definition
Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.
Also ListedOptometristTaxonomy 152W00000X · License 12008T (CA)
2700 E FOOTHILL BLVD, Pasadena, CA 91107
Open in Google Maps ↗

Other Identifiers 1

Medicare UPIN77109CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Derek T Tong O.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 1, 2016 through September 1, 2026.

Opt-Out Effective DateSeptember 1, 2016
Opt-Out In Effect ThroughSeptember 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91107 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.

Other Providers at the Same Location NPPES 10

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

AMY BETH CARLSON
Marriage & Family Therapist
2700 E FOOTHILL BLVD
PASADENA, CA 91107
Los Angeles County (626) 887-8592
DEAN CHUANG MPT
Physical Therapist
2700 E FOOTHILL BLVD, SUITE 121
PASADENA, CA 91107
Los Angeles County (626) 449-4347
PARKWAY CHIROPRACTIC
Chiropractor
2700 E FOOTHILL BLVD, SUITE 202
PASADENA, CA 91107
Los Angeles County (626) 449-2000
DR. JULIE ANN STREY DC
Chiropractor
2700 E FOOTHILL BLVD, SUITE 202
PASADENA, CA 91107
Los Angeles County (626) 449-2000
LILY CHEN
Optometrist
2700 E FOOTHILL BLVD
PASADENA, CA 91107
Los Angeles County (626) 578-9685
DR. JESSICA P FANG O.D.
Optometrist
2700 E FOOTHILL BLVD, SUITE 207
PASADENA, CA 91107
Los Angeles County (626) 578-9685
DR. JEROME RANDALL KERSHAW DC
Chiropractor
2700 E FOOTHILL BLVD, SUITE 202
PASADENA, CA 91107
Los Angeles County (626) 449-2000
DAN WOODWORTH
Physical Therapist
2700 E FOOTHILL BLVD, SUITE 121
PASADENA, CA 91107
Los Angeles County (626) 449-4347

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 Derek Tong's NPI number?

The NPI number for Derek Tong is 1972574614. It was assigned to this individual provider in the NPPES registry on January 31, 2006.

Where is Derek Tong located?

Derek Tong practices at 2700 E Foothill Blvd Ste 207, Pasadena, CA 91107. The listed phone number is (626) 578-9685.

What is Derek Tong's specialty?

The primary specialty registered for this NPI is Optometrist, specializing in Vision Therapy, with taxonomy code 152WV0400X.

Is Derek Tong enrolled in Medicare?

No. Derek Tong has opted out of Medicare through September 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Derek Tong was last updated on September 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.