Karen Millen, LCSW
NPI 1740390244 · Clinical Social Worker · Herndon, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Millen, LCSW is a Clinical Social Worker provider in Herndon, VA (NPI 1740390244).
Provider details
- NPI number
- 1740390244
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0904003844 (VA)
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
- 2006-08-30
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Karen Millen's NPI number?
- Karen Millen's National Provider Identifier (NPI) is 1740390244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Millen's specialty?
- Karen Millen is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Millen located?
- Karen Millen's practice location on file with NPPES is 447 Carlisle Dr Ste a, Herndon, VA 20170-5605.
- What is Karen Millen's phone number?
- The practice phone number listed in the NPPES registry for Karen Millen is (571) 307-7307.
- Does Karen Millen accept Medicare?
- Karen Millen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Millen's NPI active?
- Yes — Karen Millen's NPI (1740390244) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.