Quick answers
- Does Joseph A. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. Larsen 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 Joseph A. Larsen see?
- In 2024, CMS data shows 467 Original Medicare patients and 1,774 services for Joseph A. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is Joseph A. Larsen's NPI number?
- 1629193941. 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 Joseph A. Larsen, 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 | 467 |
|---|---|
| Services billed to Medicare | 1,774 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)502 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)207 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)197 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)184 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)99 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%
- Arthritis56%
- Diabetes42%
- Ischemic heart disease34%
- Chronic kidney disease21%
Hospitals where Joseph A. Larsen works
Medicare's Facility Affiliation Data lists Joseph A. Larsen 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.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101
Practice locations
Addresses where Joseph A. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
- 9525 Queens BlvdRego Park, NY 11374 (718) 975‑5200
Group practices
Medicare enrollment lists Joseph A. Larsen as a member of this group (CMS data updated October 2, 2026).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Other clinicians in Optum Medical Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | New York College Of Podiatric Medicine |
| Graduation year | 1996 (30 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629193941 |
| 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