Erin Berntsen, ACNP
NPI 1205640489 · Acute Care Nurse Practitioner · Fairfield, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Berntsen, ACNP is a Acute Care Nurse Practitioner provider in Fairfield, CA (NPI 1205640489).
Provider details
- NPI number
- 1205640489
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95033845 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-02-06
- Last updated
- 2025-02-06
- Certified
- 2025-02-06
Frequently asked questions
- What is Erin Berntsen's NPI number?
- Erin Berntsen's National Provider Identifier (NPI) is 1205640489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Berntsen's specialty?
- Erin Berntsen is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Berntsen located?
- Erin Berntsen's practice location on file with NPPES is 1200 B Gale Wilson Blvd, Fairfield, CA 94533-3587.
- What is Erin Berntsen's phone number?
- The practice phone number listed in the NPPES registry for Erin Berntsen is (707) 646-5031.
- Does Erin Berntsen accept Medicare?
- Erin Berntsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Berntsen's NPI active?
- Yes — Erin Berntsen's NPI (1205640489) is active in the NPPES registry as of the last update on 2025-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.