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

Jeffrey Milliken, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1033299292

Jeffrey Milliken, MD is a Cardiac Surgery in Littleton, Colorado. Graduated from University of Michigan Medical School in 1980, 46 years ago. Practices with Portercare Adventist Health System, a 767-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Colorado.

Years since qualifying
46
Trained at
University of Michigan Medical School
Licensed in
CA, CO
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

7780 S Broadway Ste 170
Littleton, CO 80122-2633
Phone: (303) 269-2920
Fax: (303) 269-2921
Show map & directions

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

Additional practice locations (2)

  • Uci Medical Center, Orange, CA 92868 — (714) 456-8978
  • 1400 E Boulder St Ste 700, Colorado Springs, CO 80909-5533 — (719) 364-3278

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence DR.0060031 (CO)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 000000G46020 (CA)

Record details

NPI number1033299292
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESFebruary 12, 2026
Certification dateFebruary 12, 2026

Medicare enrollment

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

Medicare specialtyCARDIAC SURGERY
Also practisesTHORACIC SURGERY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1980 (46 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Littleton