Benedict Marciano, MD
NPI 1548379621 · Occupational Medicine Physician · San Ramon, CA
Benedict Marciano, MD is a Occupational Medicine Physician provider in San Ramon, CA (NPI 1548379621).
Provider details
- NPI number
- 1548379621
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A044807 (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
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
- 2006-08-30
- Last updated
- 2011-04-06
Frequently asked questions
- What is Benedict Marciano's NPI number?
- Benedict Marciano's National Provider Identifier (NPI) is 1548379621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benedict Marciano's specialty?
- Benedict Marciano is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benedict Marciano located?
- Benedict Marciano's practice location on file with NPPES is 53 Elmwood Dr, San Ramon, CA 94583-4183.
- What is Benedict Marciano's phone number?
- The practice phone number listed in the NPPES registry for Benedict Marciano is (925) 487-9337.
- Is Benedict Marciano's NPI active?
- Yes — Benedict Marciano's NPI (1548379621) is active in the NPPES registry as of the last update on 2011-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.