Doctor profile · Federal record

Dr. Kerstin Helgason, PMHNP

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

  • NPI 1538369939
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8339 Church St Ste 114
Gilroy, CA 95020
(408) 767-2337
fax (408) 767-2338
Additional location
841 Blossom Hill RD Ste 209
San Jose, CA 951232704
(408) 363-6533
fax (408) 784-3453

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
California #20305 · Arizona #AP2838
Medicaid
AZ #260960

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538369939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
3
Medicare allowed
$23,653
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 130 36 $131
99215 Established patient office or other outpatient visit, 40-54 minutes 23 12 $182
90792 Psychiatric diagnostic evaluation with medical services 13 13 $191

In context: peer comparison

Among 1 peers in Gilroy Psychiatric/Mental Health Nurse Practitioner, average services per provider: 55. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
213
Patients
0
Total drug cost
$8,769
Drug Type Claims Patients Total cost
Bupropion Xl (Bupropion Hcl) Brand 51 0 $1,253
Quetiapine Fumarate Generic 30 0 $516
Escitalopram Oxalate Generic 21 0 $438
Fluoxetine Hcl Generic 21 0 $601
Trazodone Hcl Generic 18 0 $806
Lamotrigine Generic 16 0 $288
Mirtazapine Generic 16 0 $702
Lorazepam Generic 14 0 $208
Aripiprazole Generic 13 0 $3,015
Duloxetine Hcl Generic 13 0 $941

Frequently asked questions

Auto-generated from federal data
What is Dr. Kerstin Helgason's medical specialty?
Dr. Kerstin Helgason practices Psychiatric/Mental Health Nurse Practitioner in Gilroy, CA.
Where does Dr. Kerstin Helgason practice?
Dr. Kerstin Helgason practices at 8339 Church St Ste 114, Gilroy, CA 95020. Office phone: 4087672337.
What is Dr. Kerstin Helgason's NPI?
Dr. Kerstin Helgason's National Provider Identifier (NPI) is 1538369939, issued by NPPES.
Does Dr. Kerstin Helgason accept Medicare assignment?
Yes. Dr. Kerstin Helgason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kerstin Helgason commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.