Doctor profile · Federal record

Dr. Leslie Theroith, NP

Family Nurse Practitioner · Pomona, CA

  • NPI 1841473097
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
790 E Bonita Ave Fl 2
Pomona, CA 917671906
(909) 469-0033
fax (909) 620-9146
Additional location
9190 Haven Ave Ste 102
Rancho Cucamonga, CA 917305431
(909) 980-9898
fax (909) 581-6738
Mailing address
840 Towne Center Dr
Pomona, CA 917675900

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
August 23, 2022
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #16020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841473097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
15
Distinct HCPCS
1
Medicare allowed
$1,195
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $80

In context: peer comparison

Among 7 peers in this city , average services per provider: 110. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$617
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 19 19 $469
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $148

Frequently asked questions

Auto-generated from federal data
What is Dr. Leslie Theroith's medical specialty?
Dr. Leslie Theroith practices Family Nurse Practitioner in Pomona, CA.
Where does Dr. Leslie Theroith practice?
Dr. Leslie Theroith practices at 790 E Bonita Ave Fl 2, Pomona, CA 917671906. Office phone: 9094690033.
What is Dr. Leslie Theroith's NPI?
Dr. Leslie Theroith's National Provider Identifier (NPI) is 1841473097, issued by NPPES.
What procedures does Dr. Leslie Theroith commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.