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

Erin D Unger, MD

Individual provider Internal Medicine Physician · NPI 1366705451

Erin D Unger, MD is an Interventional Cardiology in Littleton, Colorado. Graduated from Northwestern University Feinberg Medical School in 2012, 14 years ago. Practices with Portercare Adventist Health System, a 767-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Illinois.

Years since qualifying
14
Trained at
Northwestern University Feinberg Medical School
Licensed in
CO, IL
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Southpark Dr
Littleton, CO 80120-5654
Phone: (303) 744-1065
Fax: (720) 733-1699
Show map & directions

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

Additional practice locations (1)

  • 251 E Huron St, Chicago, IL 60611-2908 — (312) 926-6895

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence DR.0063731 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125061088 (IL)

Record details

NPI number1366705451
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2012
Last updated in NPPESSeptember 11, 2020
Certification dateSeptember 11, 2020
Mailing addressPo Box 801106, Kansas City, MO 64180-1106

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2012 (14 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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