Doctor profile · Federal record

Dr. Kierstyn Gates, FNP-C

Emergency Medical Services (Emergency Medicine) Physician (CMS: Nurse Practitioner) · Family Nurse Practitioner · Thousand Oaks, CA

  • NPI 1255067856
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
215 W Janss RD
Thousand Oaks, CA 913601847
(805) 497-2727
Additional location
1173 Shelburn Ln
Ventura, CA 930014054
(805) 509-7174

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
November 28, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
California #NP95020755

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255067856. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
139
Distinct HCPCS
2
Medicare allowed
$16,072
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 105 92 $104
99285 Emergency department visit with high level of medical decision making 34 32 $151

In context: peer comparison

Among 1 peers in Thousand Oaks Emergency Medical Services (Emergency Medicine) Physician, average services per provider: 69. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
322
Patients
317
Total drug cost
$2,238
Drug Type Claims Patients Total cost
Ibuprofen Generic 52 51 $192
Ondansetron Hcl Generic 52 51 $336
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 46 $164
Ondansetron Odt (Ondansetron) Brand 36 35 $393
Cephalexin Generic 32 32 $266
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 30 28 $126
Prednisone Generic 18 18 $26
Azithromycin Generic 16 16 $72
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 14 14 $40
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $292

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kierstyn Gates's medical specialty?
Dr. Kierstyn Gates practices Emergency Medical Services (Emergency Medicine) Physician in Thousand Oaks, CA.
Where does Dr. Kierstyn Gates practice?
Dr. Kierstyn Gates practices at 215 W Janss RD, Thousand Oaks, CA 913601847. Office phone: 8054972727.
What is Dr. Kierstyn Gates's NPI?
Dr. Kierstyn Gates's National Provider Identifier (NPI) is 1255067856, issued by NPPES.
Does Dr. Kierstyn Gates accept Medicare assignment?
Yes. Dr. Kierstyn Gates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kierstyn Gates commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.