Linnea Nierenberg
NPI 1114506185 · Emergency Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linnea Nierenberg is a Emergency Medicine Physician provider in Sacramento, CA (NPI 1114506185).
Provider details
- NPI number
- 1114506185
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A194423 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs 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
- 2021-04-06
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Linnea Nierenberg's NPI number?
- Linnea Nierenberg's National Provider Identifier (NPI) is 1114506185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linnea Nierenberg's specialty?
- Linnea Nierenberg is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Linnea Nierenberg located?
- Linnea Nierenberg's practice location on file with NPPES is 4301 X St, Sacramento, CA 95817-2214.
- What is Linnea Nierenberg's phone number?
- The practice phone number listed in the NPPES registry for Linnea Nierenberg is (650) 723-6576.
- Does Linnea Nierenberg accept Medicare?
- Linnea Nierenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linnea Nierenberg's NPI active?
- Yes — Linnea Nierenberg's NPI (1114506185) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.