Quick answers
- Which hospitals does Mary Alexander work at?
- Medicare's official clinician data lists Mary Alexander at 2 hospitals: AdventHealth Littleton and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary Alexander see patients?
- Medicare's clinician data lists 4 practice locations, including Denver, CO, Kittery, ME and Littleton, CO. Call before your visit to confirm the address.
- What is Mary Alexander's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mary Alexander accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Alexander 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.
- What is the phone number for Mary Alexander?
- (303) 778-5797, as listed in official Medicare / NPI Registry data.
- What is Mary Alexander's NPI number?
- 1487220125. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Alexander works
Medicare's Facility Affiliation Data lists Mary Alexander at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · CCN 060113
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Mary Alexander is enrolled with Medicare (CMS data updated 2026-10-02).
- 2535 S Downing StDenver, CO 80210 (303) 778‑5797
- 35 Walker St, Kittery Family PracticeKittery, ME 03904 (207) 439‑4430
- 7750 S Broadway, 260 South Denver NeurosurgeryLittleton, CO 80122 (303) 734‑8650
- 9137 S Ridgeline Blvd, 100 Prhr PC Highlands RchHighlands Ranch, CO 80129 (303) 649‑3140
Group practices
Medicare enrollment lists Mary Alexander as a member of these groups (CMS data updated 2026-10-02).
- Portercare Adventist Health System774 clinicians in the group
- York Hospital198 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Denver
Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487220125 |
| 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