Kerstin Helgason, PMHNP
NPI 1538369939 · Psychiatric/Mental Health Nurse Practitioner · Gilroy, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kerstin Helgason, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Gilroy, CA (NPI 1538369939).
Provider details
- NPI number
- 1538369939
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP2838 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
181 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 140 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 41 | $184 |
Typical Medicare-allowed amounts for these services range $132–$184 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bupropion Hclbrand: Bupropion Xl | 49 |
| Escitalopram Oxalate | 22 |
| Mirtazapine | 22 |
| Fluoxetine Hcl | 19 |
| Duloxetine Hcl | 18 |
| Lamotrigine | 17 |
| Trazodone Hcl | 16 |
| Quetiapine Fumarate | 15 |
| Paroxetine Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 841 Blossom Hill Rd Ste 209San Jose, CA 95123-2704Phone: (408) 363-6533Fax: (408) 784-3453
Registry dates
- Enumerated
- 2007-07-23
- Last updated
- 2022-07-21
Frequently asked questions
- What is Kerstin Helgason's NPI number?
- Kerstin Helgason's National Provider Identifier (NPI) is 1538369939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kerstin Helgason's specialty?
- Kerstin Helgason is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kerstin Helgason located?
- Kerstin Helgason's practice location on file with NPPES is 8339 Church St Ste 114, Gilroy, CA 95020.
- What is Kerstin Helgason's phone number?
- The practice phone number listed in the NPPES registry for Kerstin Helgason is (408) 767-2337.
- Does Kerstin Helgason accept Medicare?
- Kerstin Helgason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kerstin Helgason's NPI active?
- Yes — Kerstin Helgason's NPI (1538369939) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.