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Martha Sifuentes-Guzman
NPI 1215213061 · Case Manager/Care Coordinator · Oakland, CA
Martha Sifuentes-Guzman is a Case Manager/Care Coordinator provider in Oakland, CA (NPI 1215213061).
Provider details
- NPI number
- 1215213061
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2540 Charleston St
Oakland, CA 94602-2508
Phone: (510) 531-3666
Street-level locationGet directions
Mailing address
2540 Charleston St
Oakland, CA 94602-2508
Registry dates
- Enumerated
- 2011-10-25
- Last updated
- 2011-10-25
Frequently asked questions
- What is Martha Sifuentes-Guzman's NPI number?
- Martha Sifuentes-Guzman's National Provider Identifier (NPI) is 1215213061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Sifuentes-Guzman's specialty?
- Martha Sifuentes-Guzman is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Martha Sifuentes-Guzman located?
- Martha Sifuentes-Guzman's practice location on file with NPPES is 2540 Charleston St, Oakland, CA 94602-2508.
- What is Martha Sifuentes-Guzman's phone number?
- The practice phone number listed in the NPPES registry for Martha Sifuentes-Guzman is (510) 531-3666.
- Is Martha Sifuentes-Guzman's NPI active?
- Yes — Martha Sifuentes-Guzman's NPI (1215213061) is active in the NPPES registry as of the last update on 2011-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.