Doctor profile · Federal record

Dr. Ronald Offenstein, PHD

Psychologist (CMS: Clinical Psychologist) · Riverside, CA

  • NPI 1811091978
  • Accepts Medicare
  • 53 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5887 Brockton Ave, Suite A Riverside Psychiatric Medical Group
Riverside, CA 92506
(951) 275-8500
fax (951) 275-8560

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
August 30, 2012
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
California #PSY6287

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811091978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
370
Distinct HCPCS
1
Medicare allowed
$32,919
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 370 32 $89

In context: peer comparison

Among 1 peers in Riverside Psychologist, average services per provider: 370. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Offenstein's medical specialty?
Dr. Ronald Offenstein practices Psychologist in Riverside, CA.
Where does Dr. Ronald Offenstein practice?
Dr. Ronald Offenstein practices at 5887 Brockton Ave, Riverside, CA 92506. Office phone: 9512758500.
What is Dr. Ronald Offenstein's NPI?
Dr. Ronald Offenstein's National Provider Identifier (NPI) is 1811091978, issued by NPPES.
Does Dr. Ronald Offenstein accept Medicare assignment?
Yes. Dr. Ronald Offenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Offenstein commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.