Doctor profile · Federal record

Dr. Melissa Grabau, PH.D.

Clinical Psychologist · Prescribing (Medical) Psychologist · Davis, CA

  • NPI 1538385406
  • 19 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
433 Cabrillo Ave
Davis, CA 956160412
(916) 743-3870
fax (916) 603-8236

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
December 4, 2024
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY17025

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538385406. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
373
Distinct HCPCS
1
Medicare allowed
$56,361
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 373 17 $151

In context: peer comparison

Among 1 peers in Davis Clinical Psychologist, average services per provider: 373. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Grabau's medical specialty?
Dr. Melissa Grabau practices Clinical Psychologist in Davis, CA.
Where does Dr. Melissa Grabau practice?
Dr. Melissa Grabau practices at 433 Cabrillo Ave, Davis, CA 956160412. Office phone: 9167433870.
What is Dr. Melissa Grabau's NPI?
Dr. Melissa Grabau's National Provider Identifier (NPI) is 1538385406, issued by NPPES.
What procedures does Dr. Melissa Grabau commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.