IndividualActive
Gwyneth Von Marksfeld-Fuhrherr
NPI 1649108036 · Behavior Technician · Concord, CA
Gwyneth Von Marksfeld-Fuhrherr is a Behavior Technician provider in Concord, CA (NPI 1649108036).
Provider details
- NPI number
- 1649108036
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1200 Concord Ave Ste 185
Concord, CA 94520-5006
Phone: (510) 268-8120
Street-level locationGet directions
Mailing address
1200 Concord Ave Ste 185
Concord, CA 94520-5006
Registry dates
- Enumerated
- 2026-05-13
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Gwyneth Von Marksfeld-Fuhrherr's NPI number?
- Gwyneth Von Marksfeld-Fuhrherr's National Provider Identifier (NPI) is 1649108036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwyneth Von Marksfeld-Fuhrherr's specialty?
- Gwyneth Von Marksfeld-Fuhrherr is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Gwyneth Von Marksfeld-Fuhrherr located?
- Gwyneth Von Marksfeld-Fuhrherr's practice location on file with NPPES is 1200 Concord Ave Ste 185, Concord, CA 94520-5006.
- What is Gwyneth Von Marksfeld-Fuhrherr's phone number?
- The practice phone number listed in the NPPES registry for Gwyneth Von Marksfeld-Fuhrherr is (510) 268-8120.
- Is Gwyneth Von Marksfeld-Fuhrherr's NPI active?
- Yes — Gwyneth Von Marksfeld-Fuhrherr's NPI (1649108036) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.