Quick answers
- Does Andrew J. Landis accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew J. Landis 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 Andrew J. Landis see?
- In 2024, CMS data shows 183 Original Medicare patients and 1,914 services for Andrew J. Landis. This counts Original Medicare only and measures volume, not quality.
- What is Andrew J. Landis's NPI number?
- 1467428425. 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 Andrew J. Landis, 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 | 183 |
|---|---|
| Services billed to Medicare | 1,914 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)402 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)222 services
- Hemoglobin a1c level (83036)191 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)163 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)103 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%
- Chronic kidney disease54%
- Heart failure41%
- Arthritis39%
- Diabetes28%
Hospitals where Andrew J. Landis works
Medicare's Facility Affiliation Data lists Andrew J. Landis 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.
- Brooks-Tlc Hospital System, IncDunkirk, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330229
- UPMC Chautauqua at WcaJamestown, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330239
- Westfield Memorial Hospital, IncWestfield, NY · Rural Emergency Hospital · Emergency services: listed by Medicare · CCN 330801
Practice locations
Addresses where Andrew J. Landis is enrolled with Medicare (CMS data updated October 2, 2026).
- 12 Ctr StFredonia, NY 14063
- 207 Foote AveJamestown, NY 14701
- 31 Sherman St, Suite 2400Jamestown, NY 14701 (814) 483‑5306
Group practices
Medicare enrollment lists Andrew J. Landis as a member of this group (CMS data updated October 2, 2026).
- Great Lakes Physician Practice PC144 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fredonia
Clinicians with the same Medicare primary specialty in Fredonia, NY — not a recommendation.
Other clinicians in Great Lakes Physician Practice PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467428425 |
| 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