IndividualActive
Mark Stelzner
NPI 1538680376 · Marriage & Family Therapist · Oakland, CA
Mark Stelzner is a Marriage & Family Therapist provider in Oakland, CA (NPI 1538680376).
Provider details
- NPI number
- 1538680376
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 13690 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
2710 Telegraph Ave Ste 210
Oakland, CA 94612-1771
Phone: (415) 203-7352
Street-level locationGet directions
Mailing address
2710 Telegraph Ave Ste 210
Oakland, CA 94612-1771
Registry dates
- Enumerated
- 2017-07-01
- Last updated
- 2023-01-27
- Certified
- 2023-01-27
Frequently asked questions
- What is Mark Stelzner's NPI number?
- Mark Stelzner's National Provider Identifier (NPI) is 1538680376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Stelzner's specialty?
- Mark Stelzner is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Stelzner located?
- Mark Stelzner's practice location on file with NPPES is 2710 Telegraph Ave Ste 210, Oakland, CA 94612-1771.
- What is Mark Stelzner's phone number?
- The practice phone number listed in the NPPES registry for Mark Stelzner is (415) 203-7352.
- Is Mark Stelzner's NPI active?
- Yes — Mark Stelzner's NPI (1538680376) is active in the NPPES registry as of the last update on 2023-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.