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Optometrists in Whittier, CA

Browse 33 Optometrist providers listed in NPPES with a practice address in Whittier, California.

33 Healthcare Providers

How Whittier compares with the U.S.

Whittier has 38 Optometrists per 100,000 residents, 2.1 times the U.S. rate of 19.

That is 33 active Optometrists with a practice address in Whittier, for a population of 86,165.

The California rate is 21 per 100,000 residents.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

89% of Optometrists in Whittier listed in the CMS Medicare file (16 of 18) accept Medicare assignment. That is similar to the California share of 89%.

What is Medicare assignment?

A clinician who accepts Medicare assignment agrees to take the Medicare-approved amount as full payment for services that Original Medicare covers. You usually still pay your deductible and coinsurance. This comes from the CMS Doctors and Clinicians file and applies to Original Medicare only. Medicare Advantage plans have their own provider networks. It does not show whether a clinician is taking new patients.

Some clinicians are listed as "may accept assignment," which means they can decide case by case. Clinicians without an assignment flag, or who are not in the CMS file, are not counted as accepting assignment. That does not mean they refuse Medicare. Ask the office before your visit.

None of the 18 Optometrists in Whittier listed in the CMS Medicare file have a CMS telehealth indicator. Some may still offer telehealth; ask the office.

About the telehealth indicator

The telehealth indicator comes from CMS. It marks clinicians whose recent paid Medicare claims include services delivered by telehealth. It means a clinician has provided some services by telehealth, not that every visit can be done online. A clinician without the indicator may still offer telehealth, for example to patients who are not on Medicare. Ask the office which visits can be done by video or phone.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Medicare assignment and telehealth indicators: CMS Doctors and Clinicians National Downloadable File. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Optometrist Medicare (PECOS) Enrollment & Ordering Eligibility

Medicare enrollment and order/referring eligibility listed by CMS for Optometrist practitioners in Whittier, CA

Source: CMS PECOS
PECOS Enrolled Specialists 23 In Whittier, CA
Part B Lab & Imaging Eligible 23 Diagnostic Referrals
DME Ordering Eligible 24 Durable Medical Equipment
Home Health Agency Referrals 23 HHA Ordering Eligible
Showing 1โ€“20 of 33 providers
With recent CMS data first, then Aโ€“Z

Dr. Aaron D. Adame , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
6537 Greenleaf Ave, Whittier, CA 906014108
Phone: 5626989593
NPI Identifier 1982782322
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Active NPI Status Accepts Medicare Assignment
11245 Washington Blvd, Whittier, CA 906063111
Phone: 5626921208
NPI Identifier 1356370712
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Dr. Annie Chen , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
11245 Washington Blvd, Whittier, CA 906063111
Phone: 5626921208
NPI Identifier 1982466413
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Active NPI Status Accepts Medicare Assignment
7749 Painter Ave, Whittier, CA 906022411
Phone: 5629456391
NPI Identifier 1881736478
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Dr. Guy Kazuo Kato , OD

Optometrist

Active NPI Status
6309 Greenleaf Ave, Whittier, CA 906013536
Phone: 5626983279
NPI Identifier 1598849820
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Active NPI Status
11245 Washington Blvd, Whittier, CA 906063111
Phone: 5626921208
NPI Identifier 1922095439
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Dr. Heather Dana Lazaro , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
7749 Painter Ave, Whittier, CA 906022411
Phone: 5629456391
NPI Identifier 1043354632
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Dr. Ivy Lin , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
11245 Washington Blvd, Whittier, CA 906063111
Phone: 5626921208
NPI Identifier 1255325809
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Dr. Allison Maryoung , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
15925 Whittier Blvd, Whittier, CA 906032524
Phone: 5629478681
NPI Identifier 1083309124
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Dr. Joy T Nakabayashi , OD

Optometrist

Active NPI Status
6309 Greenleaf Ave, Whittier, CA 906013536
Phone: 5626989907
NPI Identifier 1255420394
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Dr. Xavier P Ordonez , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
13124 Philadelphia St, Whittier, CA 906014301
Phone: 5629453589
NPI Identifier 1750488193
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Dr. Kenzo Sean Otsuji , OD

Optometrist

Active NPI Status
13313 Telegraph Rd, Whittier, CA 906053228
Phone: 5629461957
NPI Identifier 1013297944
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Dr. Aaronshawn Poolsaad , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
8135 Painter Ave Ste 100, Whittier, CA 90602
Phone: 5629457300
NPI Identifier 1194108084
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Dr. Derek Robert Rice , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
16414 Whittier Blvd, Whittier, CA 906033043
Phone: 5629470391
NPI Identifier 1952486417
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Dr. Sandra Ruezga , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
11245 Washington Blvd, Whittier, CA 906063111
Phone: 5626921208
NPI Identifier 1083040992
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Dr. Dennis James Spiro , OD

Optometrist

Active NPI Status
11311 La Mirada Blvd, Ste B, Whittier, CA 906042126
Phone: 5629463311
NPI Identifier 1487645180
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Dr. David P. West , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
15925 Whittier Blvd, Whittier, CA 906032524
Phone: 5629471318
NPI Identifier 1073619896
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Lillian Choi

Optometrist

Active NPI Status Accepts Medicare Assignment
13311 Penn St, Whittier, CA 906021727
Phone: 5626961883
NPI Identifier 1639849102
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Dr. Catherine Cizmar , OD

Optometrist

Active NPI Status Accepts Medicare Assignment
6309 Greenleaf Ave, Whittier, CA 906013536
Phone: 5626983279
NPI Identifier 1962978452
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Dr. Harold H Crum , OD

Optometrist

Active NPI Status
13313 Telegraph Rd, Whittier, CA 906053228
Phone: 5629461957
NPI Identifier 1134295033
View Full Profile

Frequently Asked Questions about Optometrist in Whittier

How do I check a Optometrist practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.