Catherine Ann Thielen, PsyD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 19742 MacArthur Avenue Suite 245, Irvine, CA 92612
- Practice phone
- Call (949) 654-9163
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
KCS Counseling - MacArthur
Outpatient Addiction Treatment · Irvine, California
Find Catherine Thielen'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.
Catherine Ann Thielen is a clinical psychologist in Irvine, California
Catherine Thielen practices at KCS Counseling - MacArthur in Irvine, California.
Catherine Thielen's NPI, 1356551287, was assigned on May 22, 2007. Catherine Thielen holds California license PSY30762.
- NPI
- 1356551287NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951719848
- NPI enumeration date
- May 22, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 654-9163
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Catherine Ann Thielen practices at KCS Counseling - MacArthur in Irvine, California
Catherine Thielen's primary practice is KCS Counseling - MacArthur, at 19742 MacArthur Avenue Suite 245, Irvine, CA 92612. The practice phone is (949) 654-9163.
- KCS Counseling - MacArthur19742 MacArthur Avenue Suite 245, Irvine, CA 92612Phone(949) 654-9163
Source: Dmand AI Affiliation Data
Catherine Ann Thielen is affiliated with 1 site of care and 1 medical group
Catherine Thielen's primary practice is KCS Counseling - MacArthur in Irvine, California. The medical group on file is Chiron Psychological. Catherine Thielen's employer is on file too: a behavioral health center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Catherine Ann Thielen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Catherine Thielen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| KCS Counseling - MacArthur | Available with a free account |
Source: Dmand AI Technology Install Data
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Catherine Ann Thielen is one of 3,615 clinical psychologists in California
Clinical is Catherine Thielen's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Catherine Thielen is licensed in California.
Specialties and state licenses
- Clinical psychologist, CaliforniaPrimary
Clinical psychologists near Catherine Thielen
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
Catherine Ann Thielen's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Catherine Thielen's median patient age at 50, with 59% women.
Catherine Thielen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women59%
- Men37%
Source: Dmand AI Patient Panel Data
Catherine Ann Thielen offers telehealth to Medicare patients
Catherine Thielen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Catherine Thielen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Catherine Ann Thielen'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 Data |
| 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 Catherine Ann Thielen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Catherine Ann Thielen's NPI number?
Catherine Ann Thielen's NPI number is 1356551287. It was assigned on May 22, 2007, and it is active in the NPI Registry.
What does Catherine Ann Thielen specialize in?
Catherine Ann Thielen is a clinical psychologist in Irvine, California. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).
Where does Catherine Ann Thielen practice?
Catherine Thielen practices at 19742 MacArthur Avenue Suite 245, Irvine, CA 92612. Catherine Thielen's primary practice is KCS Counseling - MacArthur in Irvine, California.
What is Catherine Ann Thielen's office phone number?
The practice phone on file for Catherine Thielen is (949) 654-9163.
What is Catherine Ann Thielen's medical license number?
Catherine Thielen holds California license PSY30762.
What medical group is Catherine Ann Thielen part of?
Catherine Thielen is linked to Chiron Psychological.
Does Catherine Ann Thielen accept Medicare?
Yes. CMS lists Catherine Thielen as accepting Medicare assignment.
Does Catherine Ann Thielen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Catherine Thielen as offering telehealth services.
How long has Catherine Ann Thielen been practicing?
Catherine Thielen graduated from medical school in 2007, 19 years ago.
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