Karen Holdner, MD
NPI 1689760761 · Pediatrics Physician · Federal Way, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Holdner, MD is a Pediatrics Physician provider in Federal Way, WA (NPI 1689760761).
Provider details
- NPI number
- 1689760761
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00027539 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-05
- Last updated
- 2012-09-21
Frequently asked questions
- What is Karen Holdner's NPI number?
- Karen Holdner's National Provider Identifier (NPI) is 1689760761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Holdner's specialty?
- Karen Holdner is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Holdner located?
- Karen Holdner's practice location on file with NPPES is 34503 9th Ave South, Federal Way, WA 98003.
- What is Karen Holdner's phone number?
- The practice phone number listed in the NPPES registry for Karen Holdner is (253) 927-3243.
- Does Karen Holdner accept Medicare?
- Karen Holdner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Holdner's NPI active?
- Yes — Karen Holdner's NPI (1689760761) is active in the NPPES registry as of the last update on 2012-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.