Quick answers
- Does Jason T. Poston accept Medicare assignment?
- Yes. Medicare's clinician data says Jason T. Poston 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 Jason T. Poston see?
- In 2024, CMS data shows 86 Original Medicare patients and 136 services for Jason T. Poston. This counts Original Medicare only and measures volume, not quality.
- What is Jason T. Poston's NPI number?
- 1255483897. 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 Jason T. Poston, 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 | 86 |
|---|---|
| Services billed to Medicare | 136 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Critical care, first 30-74 minutes (99291)41 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)28 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 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 cholesterol69%
- COPD64%
- Arthritis56%
- Heart failure51%
- Ischemic heart disease48%
Hospitals where Jason T. Poston works
Medicare's Facility Affiliation Data lists Jason T. Poston 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.
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
Practice locations
Addresses where Jason T. Poston is enrolled with Medicare (CMS data updated October 2, 2026).
- 5841 S Maryland AveChicago, IL 60637 (773) 702‑1000
Group practices
Medicare enrollment lists Jason T. Poston as a member of these groups (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
- The University of Chicago Medical Center915 clinicians in the group
Specialties
Other pulmonologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255483897 |
| 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