Quick answers
- Does Kristina P. Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Kristina P. Castro 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 Kristina P. Castro see?
- In 2024, CMS data shows 111 Original Medicare patients and 239 services for Kristina P. Castro. This counts Original Medicare only and measures volume, not quality.
- What is Kristina P. Castro's NPI number?
- 1861174229. 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 Kristina P. Castro, 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 | 111 |
|---|---|
| Services billed to Medicare | 239 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)83 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)41 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)36 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)20 services
- Automated urinalysis test (81003)13 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 pressure71%
- Arthritis54%
- Diabetes41%
- Ischemic heart disease31%
- Anxiety30%
Practice locations
Addresses where Kristina P. Castro is enrolled with Medicare (CMS data updated October 2, 2026).
- 4119 Bell BlvdBayside, NY 11361 (929) 373‑4480
- 5505 Myrtle AveRidgewood, NY 11385 (718) 502‑9063
Group practices
Medicare enrollment lists Kristina P. Castro as a member of this group (CMS data updated October 2, 2026).
- North Shore Lij Urgent Care PC390 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bayside
Clinicians with the same Medicare primary specialty in Bayside, NY — not a recommendation.
Other clinicians in North Shore Lij Urgent Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861174229 |
| 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