John A. Alley, MD

Medicare activity in 2024

Official CMS public-use data for John A. Alley, 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.

Most frequent services

1. Insertion of needle into vein for collection of blood sample (36415)495 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)401 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)342 services
4. Manual urinalysis test with examination using microscope, non-automated (81000)214 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)166 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 pressure70%
• Arthritis34%
• Diabetes24%
• Chronic kidney disease22%
• Anxiety18%

Hospitals where John A. Alley works

Medicare's Facility Affiliation Data lists John A. Alley 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.

• University Hospital S U N y Health Science CenterSyracuse, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330241

Practice locations

Addresses where John A. Alley is enrolled with Medicare (CMS data updated October 2, 2026).

• 125 Harry Howard AveHudson, NY 12534 (800) 479‑7695
• 28 /2 E Main StMarcellus, NY 13108 (315) 673‑9926

Group practices

Medicare enrollment lists John A. Alley as a member of these groups (CMS data updated October 2, 2026).

• Select PT, Ot and SLP Rehabilitation Ny, PLLC301 clinicians in the group
• Marcellus Family Medicine PLLC3 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in New York →

Other family doctors in Hudson

Clinicians with the same Medicare primary specialty in Hudson, NY — not a recommendation.

• Michael Kitchell, MD
• William V. Jacobson, MD
• Brian K. Smith, MD
• Nicholas A. Pantano, MD
• Elizabeth P. Saarie, MD
• Adrienne Salomon, DO
• Wendy M. Scinta, MD
• James G. Asfour

All family doctors in Hudson →

Other clinicians in Select PT, Ot and SLP Rehabilitation Ny, PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Jeffrey W. Wike, MD
• Karen A. Doherty-Wells, PA
• Michael T. Mulligan, MD
• Rachel Pombrio, PA
• William V. Jacobson, MD
• Brian K. Smith, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians