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Healthcare Providers & Facilities in West Covina, CA

Public healthcare directory of 2,462 individual practitioners and 725 healthcare facilities located in West Covina, California.

2,462 Practitioners
725 Facilities
156 Specialties

Medical Specialties in West Covina

Select a specialty to view practitioner listings, practice locations, and qualifications.

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All Specialties in West Covina

Specialties with enough public records for a comparison with U.S. figures, besides those named above, plus the 60 largest of 142 more with at least one listed practitioner. Number of practitioners in brackets.

Chiropractic Providers

Dietary & Nutritional Service Providers

Nursing Service Related Providers

Physician Assistants & Advanced Practice Nursing Providers

Podiatric Medicine & Surgery Service Providers

Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Featured Healthcare Providers in West Covina

Practitioner profiles in West Covina, CA with recent CMS Medicare or Open Payments data.

Dr. Zaida Obeso , MD

Family Medicine

Medicare Accepted
1135 S Sunset Ave, West Covina, CA
Phone: 6263371800
NPI 1881790616

Dr. Bac Nguyen , MD

Otolaryngology

933 S Sunset Avenue, West Covina, CA
Phone: 6269626811
NPI 1851400527

Dr. David Michelson , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

1115 S Sunset Ave, West Covina, CA
Phone: 6269624011
NPI 1043233737

Dr. Jenny Nguyen , DO

Family Medicine

1135 S Sunset Ave Ste 401, West Covina, CA
Phone: 6267328390
NPI 1992496996

Dr. Jeong Kim , DDS

Dentist

450 S Glendora Ave, West Covina, CA
Phone: 6268563317
NPI 1144439720

Sandra Kochaon , PA-C

Physician Assistant - Medical

910 S Sunset Ave Ste 8, West Covina, CA
Phone: 6263388407
NPI 1336470871

Largest Cities in California

Other California cities with a full directory, by the number of active practitioners listed in NPPES.

How West Covina compares with the U.S.

Compared with the U.S. as a whole, West Covina has more Dentists (2.2x), Optometrists (1.5x) and clinicians in Family Medicine (1.4x) per 100,000 residents.

It has fewer Physical Therapists (47% of the U.S. rate), clinicians in Internal Medicine (48%) and Nurse Practitioners (52%) per 100,000 residents.

West Covina has 2,300 active clinicians per 100,000 residents, compared with 2,198 for the U.S.

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.

88% of clinicians in West Covina listed in the CMS Medicare file (282 of 319) accept Medicare assignment. That is similar to the California share of 91%.

Only 319 of 2,462 active clinicians in West Covina appear in the CMS Medicare file, so this share describes that smaller group.

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.

18% of clinicians in West Covina listed in the CMS Medicare file (59 of 319) have a CMS telehealth indicator, meaning their recent Medicare claims include telehealth services. That is lower than the California share of 28%.

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).

West Covina CMS Healthcare & Financial Disclosures

CMS Part D Prescribers (2024), Open Payments (program year 2025), Medicare (PECOS) enrollment and Part B (2024) data for West Covina, CA

Source: CMS public datasets

Healthcare operations in West Covina, CA encompass 2,462 active individual practitioners and 725 registered medical facilities across 156 clinical specialties.

According to CMS Medicare Part D analytics for 2024, prescription drug volume in West Covina accounts for $41.4 Million across 382,594 prescription claims. 628 local practitioners have a Medicare (PECOS) enrollment record. Open Payments data for program year 2025 list $0.1 Million in payments reported by companies to 259 local practitioners; a reported payment does not necessarily mean the financial relationship is improper.

Medicare Part D Prescriptions (2024) $41.4M 382,594 Prescription Claims Source: data.cms.gov
Open Payments Sunshine Act (2025) $0.1M 259 Recipients Disclosed A reported payment does not necessarily mean the financial relationship is improper. Source: openpaymentsdata.cms.gov
Medicare (PECOS) Enrollment 628 Enrolled Medicare Practitioners Source: data.cms.gov
Medicare Part B Allowed Volume (2024) $28.1M 333,414 Services Performed Source: data.cms.gov

CMS PECOS: Eligible to Order or Refer for Medicare in West Covina

Part B Lab & Imaging Eligible: 468
Durable Medical Equipment (DME): 490
Home Health Agency (HHA): 386
Source: CMS Order and Referring