Doctor profile · Federal record

Dr. Diane Malnekoff, PHD

Psychologist (CMS: Clinical Psychologist) · Santa Rosa, CA

  • NPI 1861595407
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
509 7Th Street
Santa Rosa, CA 95401
(707) 523-1000
fax (707) 568-1117

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
California #PSY16018

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861595407. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
337
Distinct HCPCS
1
Medicare allowed
$48,222
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 337 11 $143

In context: peer comparison

Among 4 peers in Santa Rosa Psychologist, average services per provider: 134. This provider delivers 2.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Malnekoff's medical specialty?
Dr. Diane Malnekoff practices Psychologist in Santa Rosa, CA.
Where does Dr. Diane Malnekoff practice?
Dr. Diane Malnekoff practices at 509 7Th Street, Santa Rosa, CA 95401. Office phone: 7075231000.
What is Dr. Diane Malnekoff's NPI?
Dr. Diane Malnekoff's National Provider Identifier (NPI) is 1861595407, issued by NPPES.
Does Dr. Diane Malnekoff accept Medicare assignment?
Yes. Dr. Diane Malnekoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Malnekoff commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.