Gerald Marcus
NPI 1528184363 · Rehabilitation Practitioner · San Jose, CA
Gerald Marcus is a Rehabilitation Practitioner provider in San Jose, CA (NPI 1528184363).
Provider details
- NPI number
- 1528184363
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- A8446503 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Gerald Marcus's NPI number?
- Gerald Marcus's National Provider Identifier (NPI) is 1528184363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Marcus's specialty?
- Gerald Marcus is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Gerald Marcus located?
- Gerald Marcus's practice location on file with NPPES is 1885 Lundy Ave Ste 223, San Jose, CA 95131-1888.
- What is Gerald Marcus's phone number?
- The practice phone number listed in the NPPES registry for Gerald Marcus is (408) 782-7087.
- Is Gerald Marcus's NPI active?
- Yes — Gerald Marcus's NPI (1528184363) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.