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

Dr. Carolyn Marie Grachen, DO

Individual provider Internal Medicine Physician · NPI 1659073294

Dr. Carolyn Marie Grachen, DO is an Internal Medicine Physician in Lone Tree, Colorado. Licensed in Colorado. Registered with an NPI since 2023.

Licensed in
CO
In the registry since
2023
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

10101 Ridgegate Pkwy
Lone Tree, CO 80124-5522
Phone: (720) 225-1000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence DR.0075574 (CO)

Record details

NPI number1659073294
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 20, 2023
Last updated in NPPESJune 16, 2026
Certification dateJune 16, 2026

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