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.

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)

Practice location

3541 Chain Bridge Rd Ste 6

Fairfax, VA 22030-2793

Phone: (703) 352-0660

Fax: (703) 385-9621

Street-level locationGet directions

More VA providers

Mailing address

3541 Chain Bridge Rd Ste 6

Fairfax, VA 22030-2793

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 0810002345 (VA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions