Marzen Tan
NPI 1972067890 · Registered Respiratory Therapist · Walnut Creek, CA
Marzen Tan is a Registered Respiratory Therapist provider in Walnut Creek, CA (NPI 1972067890).
Provider details
- NPI number
- 1972067890
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 19500 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2019-01-24
- Last updated
- 2019-01-24
Frequently asked questions
- What is Marzen Tan's NPI number?
- Marzen Tan's National Provider Identifier (NPI) is 1972067890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marzen Tan's specialty?
- Marzen Tan is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marzen Tan located?
- Marzen Tan's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Marzen Tan's phone number?
- The practice phone number listed in the NPPES registry for Marzen Tan is (707) 980-2109.
- Is Marzen Tan's NPI active?
- Yes — Marzen Tan's NPI (1972067890) is active in the NPPES registry as of the last update on 2019-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.