Quick answers
- Which hospitals does Erin D. Unger work at?
- Medicare's official clinician data lists Erin D. Unger at 5 hospitals: AdventHealth Castle Rock, AdventHealth Littleton, AdventHealth Parker, AdventHealth Porter and Hca-Healthone dba Swedish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erin D. Unger see patients?
- Medicare's clinician data lists 2 practice locations, including Littleton, CO and Castle Rock, CO. Call before your visit to confirm the address.
- What is Erin D. Unger's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Erin D. Unger accept Medicare assignment?
- Yes. Medicare's clinician data says Erin D. Unger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Erin D. Unger offer telehealth?
- Medicare's clinician data says Erin D. Unger offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Erin D. Unger?
- (303) 744-1065, as listed in official Medicare / NPI Registry data.
- What is Erin D. Unger's NPI number?
- 1366705451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erin D. Unger works
Medicare's Facility Affiliation Data lists Erin D. Unger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Castle RockCastle Rock, CO · Acute Care Hospital · CCN 060125
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- AdventHealth ParkerParker, CO · Acute Care Hospital · CCN 060114
- AdventHealth PorterDenver, CO · Acute Care Hospital · CCN 060064
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · CCN 060034
Practice locations
Addresses where Erin D. Unger is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Southpark DrLittleton, CO 80120 (303) 744‑1065
- 2352 Meadows Blvd, Suite 115Castle Rock, CO 80109 (303) 744‑1065
Group practices
Medicare enrollment lists Erin D. Unger as a member of this group (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
Specialties
Other interventional cardiologists in Littleton
Clinicians with the same Medicare primary specialty in Littleton, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366705451 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians