Joshua J. Williams, PsyD
- Medicare patients, 2024
- 71
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 4511 Chino Hills Parkway, Chino Hills, CA 91709
- Practice phone
- Call (909) 590-2299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
TrueCare Surgery Center
Surgery Center - Medicare-Certified · Chino Hills, California
Find Joshua Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Joshua J. Williams is a clinical psychologist in Chino Hills, California
Joshua Williams practices at TrueCare Surgery Center in Chino Hills, California.
Joshua Williams' NPI, 1285863613, was assigned on July 7, 2009. Joshua Williams holds California license PSY25169.
- NPI
- 1285863613NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820248271
- NPI enumeration date
- July 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 590-2299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joshua J. Williams practices at TrueCare Surgery Center in Chino Hills, California
Joshua Williams' primary practice is TrueCare Surgery Center, at 4511 Chino Hills Parkway, Chino Hills, CA 91709. The practice phone is (909) 590-2299.
- TrueCare Surgery Center4511 Chino Hills Parkway, Chino Hills, CA 91709Phone(909) 590-2299
Source: Dmand AI Affiliation Data
Joshua J. Williams is affiliated with 2 sites of care and 1 medical group
Joshua Williams' primary practice is TrueCare Surgery Center in Chino Hills, California. The medical group on file is Pacific Coast Psychology Group. Dmand AI also links Joshua Williams to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joshua J. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joshua Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TrueCare Surgery Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Joshua J. Williams is one of 3,615 clinical psychologists in California
Clinical is Joshua Williams' primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Joshua Williams is licensed in California.
Specialties and state licenses
- Clinical psychologist, CaliforniaPrimary
Clinical psychologists near Joshua Williams
Counts of clinical psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Joshua J. Williams treated 71 Medicare patients in 2024, average age 78
CMS counts 71 Medicare patients who saw Joshua Williams in 2024. The largest group is 75 to 84, with 30 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.16, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joshua Williams' median patient age at 81, with 66% women.
Joshua Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joshua Williams' Medicare patients by sex, 2024
- Women4361%
- Men2839%
Chronic conditions among Joshua Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Depression68%
- Anxiety52%
- Arthritis42%
- Diabetes39%
- COPD38%
Share of Medicare patients with each condition. A patient can have several.
Joshua Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Joshua J. Williams takes part in Medicare
Joshua Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Joshua J. Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Joshua J. Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joshua J. Williams' NPI number?
Joshua J. Williams' NPI number is 1285863613. It was assigned on July 7, 2009, and it is active in the NPI Registry.
What does Joshua J. Williams specialize in?
Joshua J. Williams is a clinical psychologist in Chino Hills, California. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).
Where does Joshua J. Williams practice?
Joshua Williams practices at 4511 Chino Hills Parkway, Chino Hills, CA 91709. Joshua Williams' primary practice is TrueCare Surgery Center in Chino Hills, California. Dmand AI also links Joshua Williams to 1 group practice or clinic.
What is Joshua J. Williams' office phone number?
The practice phone on file for Joshua Williams is (909) 590-2299.
What is Joshua J. Williams' medical license number?
Joshua Williams holds California license PSY25169.
What medical group is Joshua J. Williams part of?
Joshua Williams is linked to Pacific Coast Psychology Group.
Does Joshua J. Williams accept Medicare?
Yes. CMS lists Joshua Williams as accepting Medicare assignment.
How many Medicare patients does Joshua J. Williams see?
CMS counts 71 Medicare patients who saw Joshua Williams in 2024, with an average age of 78.
How long has Joshua J. Williams been practicing?
Joshua Williams graduated from medical school in 2011, 15 years ago.
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