Quick answers
- Does Alden K. Haun accept Medicare assignment?
- Yes. Medicare's clinician data says Alden K. Haun 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 Alden K. Haun see?
- In 2024, CMS data shows 1,790 Original Medicare patients and 4,663 services for Alden K. Haun. This counts Original Medicare only and measures volume, not quality.
- What is Alden K. Haun's NPI number?
- 1316941842. 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 Alden K. Haun, 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 | 1,790 |
|---|---|
| Services billed to Medicare | 4,663 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)1,388 services
- Photography of the retina (92250)605 services
- Exam of visual field with extended testing (92083)493 services
- Measurement of corneal curvature and depth of eye (92136)467 services
- Imaging of optic nerve (92133)407 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 pressure74%
- Arthritis47%
- Diabetes32%
- Ischemic heart disease27%
- Chronic kidney disease22%
Hospitals where Alden K. Haun works
Medicare's Facility Affiliation Data lists Alden K. Haun 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.
- Blount Memorial HospitalMaryville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440011
Practice locations
Addresses where Alden K. Haun is enrolled with Medicare (CMS data updated October 2, 2026).
- 1124 E Weisgarber Rd, Suite 100Knoxville, TN 37909
- 628 Smithview DrMaryville, TN 37803 (865) 984‑7012
Group practices
Medicare enrollment lists Alden K. Haun as a member of this group (CMS data updated October 2, 2026).
- Campbell Cunningham Taylor PC15 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Campbell Cunningham Taylor PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316941842 |
| 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