What is Ethan Vieira's NPI number?

Ethan Vieira's National Provider Identifier (NPI) is 1215721139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ethan Vieira's specialty?

Ethan Vieira is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Ethan Vieira located?

Ethan Vieira's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.

What is Ethan Vieira's phone number?

The practice phone number listed in the NPPES registry for Ethan Vieira is (650) 497-8979.

Is Ethan Vieira's NPI active?

Yes — Ethan Vieira's NPI (1215721139) is active in the NPPES registry as of the last update on 2025-12-21.

IndividualActive

Ethan Vieira, MD

NPI 1215721139 · Pediatrics Physician · Palo Alto, CA

Ethan Vieira, MD is a Pediatrics Physician provider in Palo Alto, CA (NPI 1215721139).

Provider details

NPI number: 1215721139
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: PTL19476 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense PTL19476 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(55/100 index)

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

725 Welch Rd

Palo Alto, CA 94304-1601

Phone: (650) 497-8979

Street-level locationGet directions

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Mailing address