Katherine Louise Walker, PhD
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine Walker'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.
Katherine Louise Walker is a psychologist in Antioch, California
Katherine Walker practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Katherine Walker's NPI, 1811055239, was assigned on December 5, 2006. Katherine Walker holds California license PSY15553.
- NPI
- 1811055239NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385870948
- NPI enumeration date
- December 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Louise Walker practices at Antioch Medical Center in Antioch, California
Katherine Walker's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Katherine Louise Walker is affiliated with 2 sites of care and 1 medical group
Katherine Walker's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Katherine Walker 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 Katherine Louise Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Walker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Katherine Louise Walker is one of 1,724 psychologists in California
Psychologist is Katherine Walker's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Katherine Walker is licensed in California.
Specialties and state licenses
- Psychologist, CaliforniaPrimary
Psychologists near Katherine Walker
Counts of 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
Katherine Louise Walker's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Katherine Walker's median patient age at 32, with 52% women.
Katherine Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women52%
- Men46%
Source: Dmand AI Patient Panel Data
How Katherine Louise Walker takes part in Medicare
Katherine Walker 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 Katherine Louise Walker'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 Katherine Louise Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Louise Walker's NPI number?
Katherine Louise Walker's NPI number is 1811055239. It was assigned on December 5, 2006, and it is active in the NPI Registry.
What does Katherine Louise Walker specialize in?
Katherine Louise Walker is a psychologist in Antioch, California. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Katherine Louise Walker practice?
Katherine Walker practices at 4501 Sand Creek Road, Antioch, CA 94531. Katherine Walker's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dmand AI also links Katherine Walker to 1 group practice or clinic.
What is Katherine Louise Walker's office phone number?
The practice phone on file for Katherine Walker is (925) 813-6500.
What is Katherine Louise Walker's medical license number?
Katherine Walker holds California license PSY15553.
Which hospitals is Katherine Louise Walker affiliated with?
Katherine Walker practices at Antioch Medical Center in Antioch, California.
What medical group is Katherine Louise Walker part of?
Katherine Walker is linked to The Permanente Medical Group, Inc.
Does Katherine Louise Walker accept Medicare?
Yes. CMS lists Katherine Walker as accepting Medicare assignment.
How long has Katherine Louise Walker been practicing?
Katherine Walker graduated from medical school in 1993, 33 years ago.
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