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

Stefen M. Ammon, MD

Individual provider Emergency Medicine Physician · NPI 1730210733

Stefen M. Ammon, MD is an Emergency Medicine in Littleton, Colorado. Qualified in 2003, 23 years ago. Practices with Usacs Community Emergency Services of Colorado Inc, a 167-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Arizona, Colorado, Idaho and Nevada.

Years since qualifying
23
Licensed in
AZ, CO, ID, NV
In the registry since
2007
Specialties on file
5
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

7700 S Broadway Littleton Adventist Hospital Emergency Dept
Littleton, CO 80122-2602
Phone: (303) 778-5666
Fax: (303) 778-5787
Show map & directions

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

Additional practice locations (3)

  • 1705 W University Dr Ste 104, Tempe, AZ 85281-3269 — (480) 493-3444
  • 3455 Ringsby Ct Ste 102, Denver, CO 80216-4923 — (303) 500-1518
  • 3841 W Charleston Blvd Ste 203, Las Vegas, NV 89102-1858 — (702) 848-4443

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MC-0362 (ID)
Emergency Medicine Physician Taxonomy 207P00000X · Licence CDRH.0045573 (CO)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 58357 (AZ)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 18674 (NV)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 45573 (CO)

Record details

NPI number1730210733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2007
Last updated in NPPESMay 15, 2020
Certification dateMay 15, 2020
Mailing address1241 W Mineral Ave, Suite 100, Littleton, CO 80120-5685

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Usacs Community Emergency Services Of Colorado Inc. — 167 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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