Doctor profile · Federal record

Dr. Kathryn Denham, MSW

Clinical Social Worker · Vacaville, CA

  • NPI 1881730513
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
419 Elizabeth St, Ste 5
Vacaville, CA 956884602
(707) 399-9540
fax (707) 447-1529

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 20, 2019
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
California #LCS 13285

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881730513. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,820
Distinct HCPCS
2
Medicare allowed
$215,377
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 1,797 84 $118
90791 Psychiatric diagnostic evaluation 23 23 $141

In context: peer comparison

Among 1 peers in Vacaville Clinical Social Worker, average services per provider: 910. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Denham's medical specialty?
Dr. Kathryn Denham practices Clinical Social Worker in Vacaville, CA.
Where does Dr. Kathryn Denham practice?
Dr. Kathryn Denham practices at 419 Elizabeth St, Vacaville, CA 956884602. Office phone: 7073999540.
What is Dr. Kathryn Denham's NPI?
Dr. Kathryn Denham's National Provider Identifier (NPI) is 1881730513, issued by NPPES.
Does Dr. Kathryn Denham accept Medicare assignment?
Yes. Dr. Kathryn Denham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Denham commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.