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Physician Assistant

Josiah B. Nunziato, PA

Works at hospitals in Boulder, CO · Colorado

Summary

Josiah B. Nunziato, PA is a physician assistant at 1000 Alpine Ave, Boulder, CO 80304. Phone: (303) 443-8500. Accepts Medicare assignment. In 2024, Josiah B. Nunziato had 29 Original Medicare patients and 119 services. NPI 1891375713. 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: Physician assistant
  • Address: 1000 Alpine Ave, Boulder, CO 80304 · Directions (1 more location)
  • Phone: (303) 443‑8500
  • Medicare: Accepts Medicare assignment
  • Hospital: Boulder Community Health
  • Group practice: Clinica Campesina Family Health Services
  • School: graduated 2022
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Josiah B. Nunziato, 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 Josiah B. Nunziato accept Medicare assignment?
Yes. Medicare's clinician data says Josiah B. Nunziato 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 Josiah B. Nunziato see?
In 2024, CMS data shows 29 Original Medicare patients and 119 services for Josiah B. Nunziato. This counts Original Medicare only and measures volume, not quality.
What is Josiah B. Nunziato's NPI number?
1891375713. 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 Josiah B. Nunziato, 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 patients29
Services billed to Medicare119
Different services or procedures5
Participating Medicare providerYes
Average age of these patients55

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)80 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).

  • Anxiety62%
  • High cholesterol55%
  • Depression48%

Hospitals where Josiah B. Nunziato works

Medicare's Facility Affiliation Data lists Josiah B. Nunziato 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.

  • Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027

Practice locations

Addresses where Josiah B. Nunziato is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Josiah B. Nunziato as a member of this group (CMS data updated October 2, 2026).

  • Clinica Campesina Family Health Services94 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Colorado →

Other physician assistants in Boulder

Clinicians with the same Medicare primary specialty in Boulder, CO — not a recommendation.

All physician assistants in Boulder →

Other clinicians in Clinica Campesina Family Health Services

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

Clinician information

CredentialPA
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891375713
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