Steven Wellemeyer
NPI 1902188717 · Addiction (Substance Use Disorder) Counselor · Fremont, CA
Steven Wellemeyer is a Addiction (Substance Use Disorder) Counselor provider in Fremont, CA (NPI 1902188717).
Provider details
- NPI number
- 1902188717
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- RIW1002191641 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
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
- 2011-09-16
- Last updated
- 2011-09-16
Frequently asked questions
- What is Steven Wellemeyer's NPI number?
- Steven Wellemeyer's National Provider Identifier (NPI) is 1902188717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Wellemeyer's specialty?
- Steven Wellemeyer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Steven Wellemeyer located?
- Steven Wellemeyer's practice location on file with NPPES is 4510 Peralta Blvd, Fremont, CA 94536-5755.
- What is Steven Wellemeyer's phone number?
- The practice phone number listed in the NPPES registry for Steven Wellemeyer is (510) 713-3202.
- Is Steven Wellemeyer's NPI active?
- Yes — Steven Wellemeyer's NPI (1902188717) is active in the NPPES registry as of the last update on 2011-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.