Doctor profile · Federal record

Dr. Kirsten Severson, PH.D.

Clinical Psychologist · Castro Valley, CA

  • NPI 1366539173
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18037 Joseph Drive
Castro Valley, CA 94546
(510) 581-7416
fax (510) 728-1882

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY17588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366539173. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
116
Distinct HCPCS
1
Medicare allowed
$17,128
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 116 11 $148

In context: peer comparison

Among 1 peers in Castro Valley Clinical Psychologist, average services per provider: 116. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kirsten Severson's medical specialty?
Dr. Kirsten Severson practices Clinical Psychologist in Castro Valley, CA.
Where does Dr. Kirsten Severson practice?
Dr. Kirsten Severson practices at 18037 Joseph Drive, Castro Valley, CA 94546. Office phone: 5105817416.
What is Dr. Kirsten Severson's NPI?
Dr. Kirsten Severson's National Provider Identifier (NPI) is 1366539173, issued by NPPES.
Does Dr. Kirsten Severson accept Medicare assignment?
Yes. Dr. Kirsten Severson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kirsten Severson commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.