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Specialists in Fullerton, CA

Browse 15 Specialist providers listed in NPPES with a practice address in Fullerton, California.

15 Healthcare Providers

How Fullerton compares with the U.S.

Fullerton has 11 Specialists per 100,000 residents, about 59% of the U.S. rate of 18.

That is 15 active Specialists with a practice address in Fullerton, for a population of 140,968.

The California rate is 15 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.

Too few Specialists in Fullerton are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

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 Registry addresses can be out of date.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. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Showing 1โ€“15 of 15 providers
With recent CMS data first, then Aโ€“Z
Active NPI Status Accepts Medicare Assignment Telehealth Services Available
2240 N Harbor Blvd Ste 200, Fullerton, CA 928352635
Phone: 7144474100
NPI Identifier 1306866462
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Yllor Anne Santiago Esperanzate , MS, CCLS

Specialist

Active NPI Status
3212 Carol Dr, Fullerton, CA 928332904
Phone: 5625198948
NPI Identifier 1689261950
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Beverly Hendricks , COTA, C

Specialist

Active NPI Status
1612 E Union Ave, Fullerton, CA 928312936
Phone: 7146394990
NPI Identifier 1174769525
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Ryan Hunter , BS

Specialist

Active NPI Status
801 E Chapman Ave, Fullerton, CA 928313839
Phone: 7146808265
NPI Identifier 1629122353
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Active NPI Status
1438 S Highland Ave Apt J104, Fullerton, CA 928323502
Phone: 3232832856
NPI Identifier 1023586229
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Dr. Leo W Kwan , MD

Specialist

Active NPI Status
101 E Valencia Mesa Dr, Fullerton, CA 928353809
Phone: 9497570900
NPI Identifier 1477634715
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Active NPI Status
125 N Euclid St, Fullerton, CA 928321618
Phone: 7147731212
NPI Identifier 1659302230
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Active NPI Status
1950 Sunnycrest Dr Ste 3800, Fullerton, CA 928353647
Phone: 7144474100
NPI Identifier 1033139001
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Audrey O'neill

Specialist

Active NPI Status
1340 N Acacia Ave, Fullerton, CA 928311202
Phone: 7148796302
NPI Identifier 1730536871
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Dr. John F. Parker , MD

Specialist

Active NPI Status
101 Laguna Rd, Suite A, Fullerton, CA 928353613
Phone: 7148790050
NPI Identifier 1497781637
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Active NPI Status
1950 Sunnycrest Dr Ste 3800, Fullerton, CA 928353647
Phone: 7144474100
NPI Identifier 1528085537
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Lynda Joy Trachtman , PT

Specialist

Active NPI Status
1535 Deerpark Drive, Fullerton, CA 92831
Phone: 7149933222
NPI Identifier 1407068984
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Ailene Torio Ventress , OTR, L

Specialist

Active NPI Status
3220 La Travesia Dr, Fullerton, CA 928351423
Phone: 7146809188
NPI Identifier 1548565443
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Active NPI Status
101 Laguna Rd Ste A, Fullerton, CA 928353635
Phone: 7148790050
NPI Identifier 1306888995
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Dr. Jamie T Wiekamp , DPT

Specialist

Active NPI Status
141 W Wilshire Ave, Ste C, Fullerton, CA 928321858
Phone: 5305188673
NPI Identifier 1639408602
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Frequently Asked Questions about Specialist in Fullerton

How do I check a Specialist 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.