Doctor profile · Federal record

Dr. Catherine Baker, ARNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Nurse Practitioner · Long Beach, CA

  • NPI 1013105501
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4525 E Atherton St
Long Beach, CA 90815
(562) 961-0155
fax (562) 961-0161
Mailing address
1007 Maryland Dr
Vista, CA 920833338

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
July 20, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
California #20835 · Washington #AP30007898

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013105501. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
2
Medicare allowed
$11,034
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 84 25 $105
90792 Psychiatric diagnostic evaluation with medical services 15 15 $149

In context: peer comparison

Among 8 peers in this city , average services per provider: 146. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,316
Transactions
48
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 13 $518.24
Otsuka America Pharmaceutical, Inc. 11 $284.73
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 7 $150.82
Teva Pharmaceuticals USA, Inc. 7 $133.53
Alkermes, Inc. 5 $113.55
ABBVIE INC. 3 $68.43
E.R. Squibb & Sons, L.L.C. 2 $46.64

By nature of payment

Food and Beverage
$1,310
Education
$6

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
11
Total drug cost
$252
Drug Type Claims Patients Total cost
Gabapentin Generic 18 11 $118
Olanzapine Generic 11 0 $134

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Baker's medical specialty?
Dr. Catherine Baker practices Psychiatric/Mental Health Nurse Practitioner in Long Beach, CA.
Where does Dr. Catherine Baker practice?
Dr. Catherine Baker practices at 4525 E Atherton St, Long Beach, CA 90815. Office phone: 5629610155.
What is Dr. Catherine Baker's NPI?
Dr. Catherine Baker's National Provider Identifier (NPI) is 1013105501, issued by NPPES.
Does Dr. Catherine Baker accept Medicare assignment?
Yes. Dr. Catherine Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Baker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.