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ANDREA Y TAM OD
NPI 1811563174
Optometrist in Baldwin Park, CA

Active since May 27, 2021PECOS EnrolledAccepts Medicare Assignment
1011 BALDWIN PARK BLVD, BALDWIN PARK, CA 91706(833) 574-2273 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 27, 2023, Oct 17, 2023, Apr 10, 2023 and 2 more (5 updates tracked since 2021).

About Andrea Y Tam Od NPPES

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

ANDREA Y TAM OD (NPI 1811563174) is an individual optometrist in Baldwin Park, California, licensed in California (OPT35112-TLG) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1811563174
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameANDREA Y TAMCredential: OD
Location Address1011 BALDWIN PARK BLVDBaldwin Park, CA 91706-5806
Mailing Address1011 Baldwin Park BlvdBaldwin Park, CA 91706-5806
Phone(833) 574-2273
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMay 27, 2021
Last NPPES UpdateAugust 22, 20255 updates tracked since enumeration
NPPES CertifiedAugust 22, 2025
✔ NPI 1811563174 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 · OPT35112-TLG
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.
1011 BALDWIN PARK BLVD, Baldwin Park, CA 91706
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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 and accepts Medicare assignment

Andrea Y Tam 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 ID6507214210
PECOS Enrollment IDI20231117003069
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 91706 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 20

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

BRETT ALLEN PROVENCE D.O.
Hospitalist
1011 BALDWIN PARK BLVD, 4 EAST HOSPITALIST OFFICE
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011
VERONICA CHIU TSANG RRT
Respiratory Therapist, Registered
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-7245
DANIEL CHU MD
Family Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (833) 574-2273
JULIAN REED WOODS MD
Emergency Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011
HLA H. KYI MD
Pediatrics
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011
YU-CHIEN KUO MD
Family Medicine
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011
CHRISTINE YI-JING CHEN-HSU MD
Physical Medicine & Rehabilitation
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011
DAVID OREN DEWITT PA
Physician Assistant
1011 BALDWIN PARK BLVD
BALDWIN PARK, CA 91706
Los Angeles County (626) 851-1011

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 Andrea Tam's NPI number?

The NPI number for Andrea Tam is 1811563174. It was assigned to this individual provider in the NPPES registry on May 27, 2021.

Where is Andrea Tam located?

Andrea Tam practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. The listed phone number is (833) 574-2273.

What is Andrea Tam's specialty?

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

Is Andrea Tam enrolled in Medicare?

Yes. Andrea Tam 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.

When was this NPI record last updated?

The NPPES record for Andrea Tam was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.