Quick answers
- Does Joshua Portnoy accept Medicare assignment?
- Yes. Medicare's clinician data says Joshua Portnoy 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.
- How many Medicare patients does Joshua Portnoy see?
- In 2024, CMS data shows 789 Original Medicare patients and 3,957 services for Joshua Portnoy. This counts Original Medicare only and measures volume, not quality.
- What is Joshua Portnoy's NPI number?
- 1952362154. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joshua Portnoy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 789 |
|---|---|
| Services billed to Medicare | 3,957 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,745 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)480 services
- Test for exercise-induced lung stress (94618)452 services
- Test to measure oxygen level in blood using ear or finger device continuously overnight (94762)420 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)419 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Ischemic heart disease45%
- Chronic kidney disease41%
- Depression35%
Hospitals where Joshua Portnoy works
Medicare's Facility Affiliation Data lists Joshua Portnoy 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.
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060113
- AdventHealth PorterDenver, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060064
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060034
- UCHealth Highlands Ranch HospitalHighlands Ranch, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060132
- University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060024
Practice locations
Addresses where Joshua Portnoy is enrolled with Medicare (CMS data updated October 2, 2026).
- 8210 Southpark TerLittleton, CO 80120 (720) 914‑1000
Specialties
Find other Critical Care (Intensivists) doctors in Colorado →
Other critical care doctors in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952362154 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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