Doctor profile · Federal record

Dr. Marilyn Rivas, LCSW

Clinical Social Worker · Whittier, CA

  • NPI 1043715949
  • 8 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6737 Bright Ave Ste B9
Whittier, CA 906014315
(657) 799-1844
Additional location
86 Orange Pl
Pasadena, CA 911052000
(323) 513-8328

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
July 27, 2022
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
California #81992

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043715949. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,230
Distinct HCPCS
6
Medicare allowed
$96,385
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 623 77 $79
90832 Psychotherapy, 30 minutes 291 73 $60
90837 Psychotherapy, 1 hour 177 48 $116
90785 Psychiatric services complicated by communication factor 56 16 $12
90791 Psychiatric diagnostic evaluation 55 54 $138
G0323 Care management services for behavioral health conditions, at least 20 minutes of clinical psychologist or clinical social worker time, per calendar month. (these services include the following required elements: initial assessment or follow-up monitoring, 28 19 $35

In context: peer comparison

Among 2 peers in Whittier Clinical Social Worker, average services per provider: 181. This provider delivers 6.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marilyn Rivas's medical specialty?
Dr. Marilyn Rivas practices Clinical Social Worker in Whittier, CA.
Where does Dr. Marilyn Rivas practice?
Dr. Marilyn Rivas practices at 6737 Bright Ave Ste B9, Whittier, CA 906014315. Office phone: 6577991844.
What is Dr. Marilyn Rivas's NPI?
Dr. Marilyn Rivas's National Provider Identifier (NPI) is 1043715949, issued by NPPES.
What procedures does Dr. Marilyn Rivas commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.