What is Viktor Gruber's NPI number?

Viktor Gruber's National Provider Identifier (NPI) is 1790108256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Viktor Gruber's specialty?

Viktor Gruber is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Viktor Gruber located?

Viktor Gruber's practice location on file with NPPES is 1390 Market St Ste 210, San Francisco, CA 94102-5404.

What is Viktor Gruber's phone number?

The practice phone number listed in the NPPES registry for Viktor Gruber is (415) 252-3916.

Is Viktor Gruber's NPI active?

Yes — Viktor Gruber's NPI (1790108256) is active in the NPPES registry as of the last update on 2014-02-03.

IndividualActive

Viktor Gruber

NPI 1790108256 · Specialist · San Francisco, CA

Viktor Gruber is a Specialist provider in San Francisco, CA (NPI 1790108256).

Provider details

NPI number: 1790108256
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Established profile(70/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
12 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

1390 Market St Ste 210

San Francisco, CA 94102-5404

Phone: (415) 252-3916

Fax: (415) 252-3869

Street-level locationGet directions

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Mailing address