Tatiana Gellein
NPI 1538523394 · Pediatrics Physician · West Hollywood, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tatiana Gellein is a Pediatrics Physician provider in West Hollywood, CA (NPI 1538523394).
Provider details
- NPI number
- 1538523394
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 757 Westwood PlzLos Angeles, CA 90095-7419Phone: (310) 267-9124
- 757 Westwood PlzLos Angeles, CA 90095-7419Phone: (310) 267-9124
Registry dates
- Enumerated
- 2016-04-07
- Last updated
- 2019-10-03
Frequently asked questions
- What is Tatiana Gellein's NPI number?
- Tatiana Gellein's National Provider Identifier (NPI) is 1538523394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tatiana Gellein's specialty?
- Tatiana Gellein is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Tatiana Gellein located?
- Tatiana Gellein's practice location on file with NPPES is 8700 Beverly Blvd, West Hollywood, CA 90048.
- What is Tatiana Gellein's phone number?
- The practice phone number listed in the NPPES registry for Tatiana Gellein is (310) 967-1884.
- Does Tatiana Gellein accept Medicare?
- Tatiana Gellein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tatiana Gellein's NPI active?
- Yes — Tatiana Gellein's NPI (1538523394) is active in the NPPES registry as of the last update on 2019-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.