Quick answers
- Does Mahasti Kalantar accept Medicare assignment?
- Yes. Medicare's clinician data says Mahasti Kalantar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Mahasti Kalantar's NPI number?
- 1598865313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mahasti Kalantar works
Medicare's Facility Affiliation Data lists Mahasti Kalantar at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Centura Health-St Anthony North Health CampusWestminster, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060104
Practice locations
Addresses where Mahasti Kalantar is enrolled with Medicare (CMS data updated October 2, 2026).
- 10350 E Dakota AveDenver, CO 80247
- 10350 E Dakota Ave, Kaiser Permanente Regional OfficeDenver, CO 80247 (303) 338‑4545
- 10350 E Dakota Avenue B, Kaiser Permanente HighDenver, CO 80247 (303) 338‑4545
- 10350 E Dakota Avenue C, Kaiser Permanente Highline ChemicalDenver, CO 80247 (303) 338‑4545
- 14300 Orchard PkwyWestminster, CO 80023 (303) 338‑4545
Group practices
Medicare enrollment lists Mahasti Kalantar as a member of this group (CMS data updated October 2, 2026).
- Colorado Permanente Medical Group PC1,327 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Denver
Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.
Other clinicians in Colorado Permanente Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598865313 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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