Sanford Gaynor, M.D.
NPI 1780661405 · Nephrology Physician · Gardena, CA
Sanford Gaynor, M.D. is a Nephrology Physician provider in Gardena, CA (NPI 1780661405).
Provider details
- NPI number
- 1780661405
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G6215 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2007-10-12
Frequently asked questions
- What is Sanford Gaynor's NPI number?
- Sanford Gaynor's National Provider Identifier (NPI) is 1780661405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sanford Gaynor's specialty?
- Sanford Gaynor is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sanford Gaynor located?
- Sanford Gaynor's practice location on file with NPPES is 1045 W Redondo Beach Blvd, Gardena, CA 90247-4128.
- What is Sanford Gaynor's phone number?
- The practice phone number listed in the NPPES registry for Sanford Gaynor is (310) 527-7355.
- Is Sanford Gaynor's NPI active?
- Yes — Sanford Gaynor's NPI (1780661405) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.