Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Karen Ratner MD PC

Organization Internal Medicine Physician · NPI 1164430674

Karen Ratner MD PC is an Internal Medicine Physician in Littleton, Colorado. Licensed in Colorado. Registered with an NPI since 2006.

Licensed in
CO
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

7780 S Broadway #350
Littleton, CO 80122-2641
Phone: (303) 347-9897
Fax: (303) 347-9912
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 20266 (CO)

Record details

NPI number1164430674
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Karen Ratner — President · (303) 347-9897
NPI enumeratedAugust 3, 2006
Last updated in NPPESMarch 24, 2008
Mailing addressP O Box 260128, Lakewood, CO 80226-0128

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