IndividualActive
Karen Holsendorff
NPI 1265383533 · Case Manager/Care Coordinator · Washington, DC
Karen Holsendorff is a Case Manager/Care Coordinator provider in Washington, DC (NPI 1265383533).
Provider details
- NPI number
- 1265383533
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
2124 Martin Luther King Jr Ave Se
Washington, DC 20020-5732
Phone: (202) 563-7632
Street-level locationGet directions
Mailing address
5465 Ingersoll Pl
Waldorf, MD 20601-4470
Registry dates
- Enumerated
- 2026-02-04
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Karen Holsendorff's NPI number?
- Karen Holsendorff's National Provider Identifier (NPI) is 1265383533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Holsendorff's specialty?
- Karen Holsendorff is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Karen Holsendorff located?
- Karen Holsendorff's practice location on file with NPPES is 2124 Martin Luther King Jr Ave Se, Washington, DC 20020-5732.
- What is Karen Holsendorff's phone number?
- The practice phone number listed in the NPPES registry for Karen Holsendorff is (202) 563-7632.
- Is Karen Holsendorff's NPI active?
- Yes — Karen Holsendorff's NPI (1265383533) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.