Kathleen Sieg, DPT
NPI 1700426491 · Physical Therapist · Littleton, CO
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Sieg, DPT is a Physical Therapist provider in Littleton, CO (NPI 1700426491).
Provider details
- NPI number
- 1700426491
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0016760 (CO)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-01-09
- Last updated
- 2023-03-28
- Certified
- 2023-03-28
Frequently asked questions
- What is Kathleen Sieg's NPI number?
- Kathleen Sieg's National Provider Identifier (NPI) is 1700426491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Sieg's specialty?
- Kathleen Sieg is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kathleen Sieg located?
- Kathleen Sieg's practice location on file with NPPES is 10488 W Centennial Rd Ste 503, Littleton, CO 80127-6356.
- What is Kathleen Sieg's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Sieg is (720) 773-0833.
- Does Kathleen Sieg accept Medicare?
- Kathleen Sieg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Sieg's NPI active?
- Yes — Kathleen Sieg's NPI (1700426491) is active in the NPPES registry as of the last update on 2023-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.