Quick answers
- Does Jose J. Leiton Chavarria accept Medicare assignment?
- Yes. Medicare's clinician data says Jose J. Leiton Chavarria 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 Jose J. Leiton Chavarria see?
- In 2024, CMS data shows 82 Original Medicare patients and 808 services for Jose J. Leiton Chavarria. This counts Original Medicare only and measures volume, not quality.
- What is Jose J. Leiton Chavarria's NPI number?
- 1316437718. 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 Jose J. Leiton Chavarria, 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 | 82 |
|---|---|
| Services billed to Medicare | 808 |
| Different services or procedures | 44 |
| 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)103 services
- Automated urinalysis test (81003)72 services
- Electronic assessment of bladder emptying (51741)68 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)67 services
- Urinalysis, manual test (81002)58 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%
- Diabetes43%
- Arthritis38%
- Ischemic heart disease35%
- Chronic kidney disease28%
Practice locations
Addresses where Jose J. Leiton Chavarria is enrolled with Medicare (CMS data updated October 2, 2026).
- 3016 30th DrAstoria, NY 11102 (631) 751‑3000
Group practices
Medicare enrollment lists Jose J. Leiton Chavarria as a member of this group (CMS data updated October 2, 2026).
- North Shore Hematology Oncology Associates PC479 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Astoria
Clinicians with the same Medicare primary specialty in Astoria, NY — not a recommendation.
Other clinicians in North Shore Hematology Oncology Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316437718 |
| 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