TAMMY C. HONG O.D.
NPI 1790753960
Optometrist in Walnut Creek, CA

Q: What is Tammy Hong's NPI number?

The NPI number for Tammy Hong is 1790753960. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Q: What is Tammy Hong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tammy Hong was last updated on January 20, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 14, 2006PECOS Enrolled

320 LENNON LN, WALNUT CREEK, CA 94598(925) 906-2010 Get Directions Write a Review

NPPES record last updated: January 20, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Tammy C. Hong O.d. NPPES

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

TAMMY C. HONG O.D. (NPI 1790753960) is an individual optometrist in Walnut Creek, California, licensed in California (12221T) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790753960

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameTAMMY C. HONGCredential: O.D.

Location Address320 LENNON LNWalnut Creek, CA 94598-2419

Mailing Address320 Lennon LnWalnut Creek, CA 94598-2419

Phone(925) 906-2010

Sole ProprietorYes

Enumeration DateMarch 14, 2006

Last NPPES UpdateJanuary 20, 2022

NPPES CertifiedJanuary 20, 2022

✔ NPI 1790753960 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 · 12221T

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.

320 LENNON LN, Walnut Creek, CA 94598

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tammy C. Hong O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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.

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