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Nurse Practitioner

Patricia C. Castro, NP

Works at hospitals in Nashua, NH · New Hampshire

Summary

Patricia C. Castro, NP is a nurse practitioner at 33 Windham Rd, Immediate Care of Southern New Hampshire Pe, Pelham, NH 03076. Phone: (603) 577-2273. Accepts Medicare assignment. In 2024, Patricia C. Castro had 273 Original Medicare patients and 496 services. NPI 1215368766. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 33 Windham Rd, Immediate Care of Southern New Hampshire Pe, Pelham, NH 03076 · Directions (1 more location)
  • Phone: (603) 577‑2273
  • Medicare: Accepts Medicare assignment
  • Hospital: Southern NH Medical Center
  • Group practice: Foundation Medical Partners Inc
  • School: graduated 2013
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia C. Castro, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Patricia C. Castro accept Medicare assignment?
Yes. Medicare's clinician data says Patricia C. 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 Patricia C. Castro see?
In 2024, CMS data shows 273 Original Medicare patients and 496 services for Patricia C. Castro. This counts Original Medicare only and measures volume, not quality.
What is Patricia C. Castro's NPI number?
1215368766. 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 Patricia C. 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 patients273
Services billed to Medicare496
Different services or procedures27
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)193 services
  2. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza (87428)53 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)50 services
  4. Automated urinalysis test (81003)35 services
  5. Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)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).

  • High cholesterol75%
  • High blood pressure71%
  • Arthritis48%
  • Anxiety28%
  • Depression22%
  • Ischemic heart disease21%

Hospitals where Patricia C. Castro works

Medicare's Facility Affiliation Data lists Patricia C. Castro 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.

Practice locations

Addresses where Patricia C. Castro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Patricia C. Castro as a member of this group (CMS data updated October 2, 2026).

  • Foundation Medical Partners Inc317 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New Hampshire →

Other nurse practitioners in Pelham

Clinicians with the same Medicare primary specialty in Pelham, NH — not a recommendation.

All nurse practitioners in Pelham →

Other clinicians in Foundation Medical Partners Inc

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

Clinician information

CredentialNP
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215368766
CorrectionsReport 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

  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