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William Gillespie And Associates Inc

Group Practice·17 providers

510 S GRANDE AVE, Glendora, CA 917414291

3 Specialties
12 Insurance Plans

Contact William Gillespie And Associates Inc

(626) 914-1980Get Directions

510 S GRANDE AVE, Glendora, CA 917414291

Providers

17

Locations

1

Specialties

3

Insurance Plans

12

About William Gillespie And Associates Inc

Background and practice information

William Gillespie and Associates INC is a mid-sized group medical practice based in Glendora, CA, with 17 affiliated healthcare providers.

The practice brings together providers across several specialties, including nurse practitioner, clinical psychologist, and psychiatry. Its providers are in-network with 12 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.

Across its providers, the practice has a reported average Merit-based Incentive Payment System (MIPS) score of 4.7 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.

Practice Locations

1 location

William Gillespie And Associates IncPrimary

510 S GRANDE AVE, Glendora, CA 917414291

(626) 914-1980

Insurance Networks

Accepted insurance plans and networks

William Gillespie And Associates Inc accepts 58 plans from 12 insurers, including Cigna, Aetna, Humana.

Az Localflex Excl Ebh And Pathwell
Az Localflex Incl Ebh And Pathwell
Az Localflex Incl Ebh Excl Pathwell
Cigna Surefit Central Florida
Cigna Surefit South Florida
Health Care Alliance Of The Front Range
Healthpartners Qualified Network
Localplus
Localplus Exclude Ebh With Pathwell
Localplus Sar
Localplus With Ebh Plus Pathwell
Mvp Mohawk Valley Physicians
National OapOAP
National PpoPPO
National Ppo Sar 1PPO
National Ppo Sar IiPPO
Oap Shared Admin RepricingOAP
Pathwell OapOAP
Pathwell PpoPPO
Priority Health Alliance

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Quality & Performance

4.7average MIPS quality score (out of 100) across 3 scored providers, per CMS data

Specialties at William Gillespie And Associates Inc

Provider specialties represented at this practice

Nurse Practitioner14 providers
Clinical Psychologist2 providers
Psychiatry1 provider

Frequently Asked Questions

Common questions about William Gillespie And Associates Inc

How many providers are at William Gillespie and Associates INC?

William Gillespie and Associates INC has 17 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.

What specialties does William Gillespie and Associates INC offer?

The practice includes providers in nurse practitioner, clinical psychologist, and psychiatry. Use the specialty filter on the provider list to find a specific type of provider.

What insurance does William Gillespie and Associates INC accept?

Providers at William Gillespie and Associates INC are collectively in-network with 12 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.

Does William Gillespie and Associates INC have a quality rating?

The practice's providers have an average MIPS quality score of 4.7 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.

Where is William Gillespie and Associates INC located?

William Gillespie and Associates INC's primary location is in Glendora, CA. See the contact section for the full address and phone number.

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