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Colby Mills, PH.D.
NPI 1851450076 · Clinical Psychologist · Annandale, VA
Colby Mills, PH.D. is a Clinical Psychologist provider in Annandale, VA (NPI 1851450076).
Provider details
- NPI number
- 1851450076
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0810003740 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
3340 Woodburn Rd
Annandale, VA 22003-1202
Phone: (703) 573-5679
Fax: (703) 876-1640
Street-level locationGet directions
Mailing address
3340 Woodburn Rd
Annandale, VA 22003-1202
Registry dates
- Enumerated
- 2006-12-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Colby Mills's NPI number?
- Colby Mills's National Provider Identifier (NPI) is 1851450076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colby Mills's specialty?
- Colby Mills is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Colby Mills located?
- Colby Mills's practice location on file with NPPES is 3340 Woodburn Rd, Annandale, VA 22003-1202.
- What is Colby Mills's phone number?
- The practice phone number listed in the NPPES registry for Colby Mills is (703) 573-5679.
- Is Colby Mills's NPI active?
- Yes — Colby Mills's NPI (1851450076) 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.