IndividualActive
Jonathan Siegfried
NPI 1740999655 · Behavior Analyst · Elk Grove, CA
Jonathan Siegfried is a Behavior Analyst provider in Elk Grove, CA (NPI 1740999655).
Provider details
- NPI number
- 1740999655
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
9355 E Stockton Blvd Ste 214
Elk Grove, CA 95624-9528
Phone: (209) 366-3559
Street-level locationGet directions
Mailing address
9355 E Stockton Blvd Ste 214
Elk Grove, CA 95624-9528
Registry dates
- Enumerated
- 2022-11-18
- Last updated
- 2022-11-18
- Certified
- 2022-11-18
Frequently asked questions
- What is Jonathan Siegfried's NPI number?
- Jonathan Siegfried's National Provider Identifier (NPI) is 1740999655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Siegfried's specialty?
- Jonathan Siegfried is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jonathan Siegfried located?
- Jonathan Siegfried's practice location on file with NPPES is 9355 E Stockton Blvd Ste 214, Elk Grove, CA 95624-9528.
- What is Jonathan Siegfried's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Siegfried is (209) 366-3559.
- Is Jonathan Siegfried's NPI active?
- Yes — Jonathan Siegfried's NPI (1740999655) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.