Doctor profile · Federal record

Dr. Catherine Marshall, PSYD

Clinical Psychologist · Glendora, CA

  • NPI 1447686787
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
510 S Grand Ave, Suite 200
Glendora, CA 917414207
(626) 914-1980
Mailing address
2335 E Colorado Blvd, Suite 115245
Pasadena, CA 911076833

Credentials & registration

NPPES · NUCC
NPI registered
September 2013 — 13 yrs on file
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY 25807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447686787. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
204
Distinct HCPCS
2
Medicare allowed
$17,978
HCPCS Description Services Patients Avg allowed
90832 Psychotherapy, 30 minutes 136 36 $80
90834 Psychotherapy, 45 minutes 68 37 $105

In context: peer comparison

Among 2 peers in Glendora Clinical Psychologist, average services per provider: 184. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Marshall's medical specialty?
Dr. Catherine Marshall practices Clinical Psychologist in Glendora, CA.
Where does Dr. Catherine Marshall practice?
Dr. Catherine Marshall practices at 510 S Grand Ave, Glendora, CA 917414207. Office phone: 6269141980.
What is Dr. Catherine Marshall's NPI?
Dr. Catherine Marshall's National Provider Identifier (NPI) is 1447686787, issued by NPPES.
Does Dr. Catherine Marshall accept Medicare assignment?
Yes. Dr. Catherine Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Marshall commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.