Quick answers
- Does James L. Knepler Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James L. Knepler Jr. 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 James L. Knepler Jr. see?
- In 2024, CMS data shows 161 Original Medicare patients and 314 services for James L. Knepler Jr.. This counts Original Medicare only and measures volume, not quality.
- What is James L. Knepler Jr.'s NPI number?
- 1336105311. 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 James L. Knepler Jr., 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 | 161 |
|---|---|
| Services billed to Medicare | 314 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)104 services
- Critical care, first 30-74 minutes (99291)25 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)20 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)20 services
- Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes (31652)15 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 cholesterol75%
- High blood pressure71%
- COPD50%
- Ischemic heart disease49%
- Arthritis40%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)37%
Hospitals where James L. Knepler Jr. works
Medicare's Facility Affiliation Data lists James L. Knepler Jr. 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.
- Banner - University Medical Center Tucson CampusTucson, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030064
- Banner-University Medical Center South CampusTucson, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030111
Practice locations
Addresses where James L. Knepler Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1625 N Campbell AveTucson, AZ 85719 (520) 694‑0111
- 2800 E Ajo WayTucson, AZ 85713
- 3838 N Campbell AveTucson, AZ 85719
- 535 N Wilmot Rd, Suite 101Tucson, AZ 85711 (520) 694‑5437
Group practices
Medicare enrollment lists James L. Knepler Jr. as a member of this group (CMS data updated October 2, 2026).
- Banner-University Medical Group1,072 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in Banner-University Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1994 (32 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) | 1336105311 |
| 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