Nellie Trenga-Schein, MD
NPI 1386490951 · Student in an Organized Health Care Education/Training Program · Palo Alto, CA
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nellie Trenga-Schein, MD is a Student in an Organized Health Care Education/Training Program provider in Palo Alto, CA (NPI 1386490951).
Provider details
- NPI number
- 1386490951
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-04-25
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Nellie Trenga-Schein's NPI number?
- Nellie Trenga-Schein's National Provider Identifier (NPI) is 1386490951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nellie Trenga-Schein's specialty?
- Nellie Trenga-Schein is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Nellie Trenga-Schein located?
- Nellie Trenga-Schein's practice location on file with NPPES is 300 Pasteur Dr, Palo Alto, CA 94305-2200.
- What is Nellie Trenga-Schein's phone number?
- The practice phone number listed in the NPPES registry for Nellie Trenga-Schein is (650) 723-4000.
- Does Nellie Trenga-Schein accept Medicare?
- Nellie Trenga-Schein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nellie Trenga-Schein's NPI active?
- Yes — Nellie Trenga-Schein's NPI (1386490951) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.