Quick answers
- Does John J. Flynn Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Flynn Iii 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 John J. Flynn Iii see?
- In 2024, CMS data shows 65 Original Medicare patients and 304 services for John J. Flynn Iii. This counts Original Medicare only and measures volume, not quality.
- What is John J. Flynn Iii's NPI number?
- 1053408807. 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 John J. Flynn Iii, 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 | 65 |
|---|---|
| Services billed to Medicare | 304 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 56 |
Most frequent services
- Psychotherapy, 45 minutes (90834)228 services
- Psychiatric diagnostic evaluation (90791)36 services
- Psychotherapy, 30 minutes (90832)35 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).
- Anxiety72%
- Depression66%
- High cholesterol55%
- High blood pressure51%
- Arthritis29%
- Diabetes28%
Practice locations
Addresses where John J. Flynn Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 1526 Walden Ave, Suite 400Cheektowaga, NY 14225 (716) 895‑7167
Group practices
Medicare enrollment lists John J. Flynn Iii as a member of this group (CMS data updated October 2, 2026).
- Mid-Erie Mental Health Services Inc32 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Cheektowaga
Clinicians with the same Medicare primary specialty in Cheektowaga, NY — not a recommendation.
Other clinicians in Mid-Erie Mental Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| School | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1053408807 |
| 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
- 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