Randall Lee Ahn, PhD
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 21950 Copley Dr, Diamond Bar, CA 91765
- Practice phone
- Call (626) 840-1023
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Call the Car
Diamond Bar, California
Find Randall Ahn's 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.
Randall Lee Ahn is a clinical child and adolescent psychologist in Diamond Bar, California
Randall Ahn practices at Call the Car in Diamond Bar, California.
Randall Ahn's NPI, 1093939399, was assigned on April 11, 2007. Randall Ahn holds California license PSY13956.
- NPI
- 1093939399NPI Registry (opens in a new tab)
- NPI enumeration date
- April 11, 2007
- NPI status
- Active
- Practice phone
- (626) 840-1023
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Randall Lee Ahn practices at Call the Car in Diamond Bar, California
Randall Ahn's primary practice is Call the Car, at 21950 Copley Dr, Diamond Bar, CA 91765 in Los Angeles County. The practice phone is (626) 840-1023.
- Call the Car21950 Copley Dr, Diamond Bar, CA 91765 · Los Angeles CountyPhone(626) 840-1023
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Randall Lee Ahn is affiliated with 1 site of care and 1 medical group
Randall Ahn's primary practice is Call the Car in Diamond Bar, California. The medical group on file is AB Psych Consulting.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Randall Lee Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Randall Ahn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Call the Car | Available with a free account |
Source: Dmand AI Technology Install Data
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Randall Lee Ahn is one of 202 clinical childs and adolescent psychologists in California
Clinical child and adolescent is Randall Ahn's primary specialty in the NPI Registry, under taxonomy code 103TC2200X. Randall Ahn is licensed in California.
Specialties and state licenses
- Clinical child and adolescent psychologist, CaliforniaPrimary
Clinical childs and adolescent psychologists near Randall Ahn
Counts of clinical childs and adolescent 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
Randall Lee Ahn's patients have a median age of 6
Across all payers, Dmand AI patient panel data puts Randall Ahn's median patient age at 6, with 35% women.
Randall Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 6
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Sources for Randall Lee Ahn'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Randall Lee Ahn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Randall Lee Ahn's NPI number?
Randall Lee Ahn's NPI number is 1093939399. It was assigned on April 11, 2007, and it is active in the NPI Registry.
What does Randall Lee Ahn specialize in?
Randall Lee Ahn is a clinical child and adolescent psychologist in Diamond Bar, California. The primary specialty in the NPI Registry is Clinical Child & Adolescent Psychologist (taxonomy code 103TC2200X).
Where does Randall Lee Ahn practice?
Randall Ahn practices at 21950 Copley Dr, Diamond Bar, CA 91765. Randall Ahn's primary practice is Call the Car in Diamond Bar, California.
What is Randall Lee Ahn's office phone number?
The practice phone on file for Randall Ahn is (626) 840-1023.
What is Randall Lee Ahn's medical license number?
Randall Ahn holds California license PSY13956.
What medical group is Randall Lee Ahn part of?
Randall Ahn is linked to AB Psych Consulting.
How long has Randall Lee Ahn been practicing?
Randall Ahn's NPI was assigned in 2007.
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