OrganizationActive
Karen Ratner MD PC
NPI 1164430674 · Internal Medicine Physician · Littleton, CO
Provider details
- NPI number
- 1164430674
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Karen Ratner, President(303) 347-9897
- License
- 20266 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
7780 S Broadway
#350
Littleton, CO 80122-2641
Phone: (303) 347-9897
Fax: (303) 347-9912
Street-level locationGet directions
Mailing address
P O Box 260128
Lakewood, CO 80226-0128
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2008-03-24
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.