IndividualActive
Martin Marcus
NPI 1518029495 · Clinical Social Worker · Santa Rosa, CA
Martin Marcus is a Clinical Social Worker provider in Santa Rosa, CA (NPI 1518029495).
Provider details
- NPI number
- 1518029495
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 10190 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
3322 Chanate Rd
Santa Rosa, CA 95404-1708
Phone: (707) 565-4917
Approximate (ZIP-level) locationGet directions
Mailing address
3322 Chanate Rd
Santa Rosa, CA 95404-1708
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2026-05-10
Frequently asked questions
- What is Martin Marcus's NPI number?
- Martin Marcus's National Provider Identifier (NPI) is 1518029495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Marcus's specialty?
- Martin Marcus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martin Marcus located?
- Martin Marcus's practice location on file with NPPES is 3322 Chanate Rd, Santa Rosa, CA 95404-1708.
- What is Martin Marcus's phone number?
- The practice phone number listed in the NPPES registry for Martin Marcus is (707) 565-4917.
- Is Martin Marcus's NPI active?
- Yes — Martin Marcus's NPI (1518029495) is active in the NPPES registry as of the last update on 2026-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.