IndividualActive
James Osterhaus, PHD
NPI 1306009899 · Psychologist · Fairfax, VA
James Osterhaus, PHD is a Psychologist provider in Fairfax, VA (NPI 1306009899).
Provider details
- NPI number
- 1306009899
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0810002345 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
3541 Chain Bridge Rd Ste 6
Fairfax, VA 22030-2793
Phone: (703) 352-0660
Fax: (703) 385-9621
Street-level locationGet directions
Mailing address
3541 Chain Bridge Rd Ste 6
Fairfax, VA 22030-2793
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2008-07-07
Frequently asked questions
- What is James Osterhaus's NPI number?
- James Osterhaus's National Provider Identifier (NPI) is 1306009899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Osterhaus's specialty?
- James Osterhaus is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is James Osterhaus located?
- James Osterhaus's practice location on file with NPPES is 3541 Chain Bridge Rd Ste 6, Fairfax, VA 22030-2793.
- What is James Osterhaus's phone number?
- The practice phone number listed in the NPPES registry for James Osterhaus is (703) 352-0660.
- Is James Osterhaus's NPI active?
- Yes — James Osterhaus's NPI (1306009899) is active in the NPPES registry as of the last update on 2008-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.