Ronald Gelfand, MD
NPI 1700845088 · Psychiatry Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Gelfand, MD is a Psychiatry Physician provider in Torrance, CA (NPI 1700845088).
Provider details
- NPI number
- 1700845088
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G25025 (CA)
Specialties & taxonomies
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
- 2006-03-23
- Last updated
- 2012-08-30
Frequently asked questions
- What is Ronald Gelfand's NPI number?
- Ronald Gelfand's National Provider Identifier (NPI) is 1700845088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Gelfand's specialty?
- Ronald Gelfand is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Gelfand located?
- Ronald Gelfand's practice location on file with NPPES is 23440 Hawthorne Blvd, Torrance, CA 90505.
- What is Ronald Gelfand's phone number?
- The practice phone number listed in the NPPES registry for Ronald Gelfand is (310) 373-1555.
- Does Ronald Gelfand accept Medicare?
- Ronald Gelfand is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Gelfand's NPI active?
- Yes — Ronald Gelfand's NPI (1700845088) is active in the NPPES registry as of the last update on 2012-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.