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Alan Giberson, M.D.
NPI 1992831820 · Nephrology Physician · San Francisco, CA
Alan Giberson, M.D. is a Nephrology Physician provider in San Francisco, CA (NPI 1992831820).
Provider details
- NPI number
- 1992831820
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G20656 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1 Sansome St
San Francisco, CA 94104-4448
Phone: (408) 497-5242
Street-level locationGet directions
Mailing address
Po Box 1136
Los Gatos, CA 95031-1136
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alan Giberson's NPI number?
- Alan Giberson's National Provider Identifier (NPI) is 1992831820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Giberson's specialty?
- Alan Giberson is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Giberson located?
- Alan Giberson's practice location on file with NPPES is 1 Sansome St, San Francisco, CA 94104-4448.
- What is Alan Giberson's phone number?
- The practice phone number listed in the NPPES registry for Alan Giberson is (408) 497-5242.
- Is Alan Giberson's NPI active?
- Yes — Alan Giberson's NPI (1992831820) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.