Jon Frederickson, MSW
NPI 1598796849 · Clinical Social Worker · Washington, DC
Jon Frederickson, MSW is a Clinical Social Worker provider in Washington, DC (NPI 1598796849).
Provider details
- NPI number
- 1598796849
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LC301869 (DC)
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
19 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
- 2006-07-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jon Frederickson's NPI number?
- Jon Frederickson's National Provider Identifier (NPI) is 1598796849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Frederickson's specialty?
- Jon Frederickson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jon Frederickson located?
- Jon Frederickson's practice location on file with NPPES is 3000 Connecticut Ave Nw, Washington, DC 20008-2509.
- What is Jon Frederickson's phone number?
- The practice phone number listed in the NPPES registry for Jon Frederickson is (202) 986-4575.
- Is Jon Frederickson's NPI active?
- Yes — Jon Frederickson's NPI (1598796849) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.