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Physician Assistant

Joselle M. Monarchi, PA

Sees patients in San Jose, CA · Los Gatos, CA · California

Summary

Joselle M. Monarchi, PA is a physician assistant at 4150 N 1st St, San Jose, CA 95134. Phone: (408) 871-3400. Accepts Medicare assignment. In 2024, Joselle M. Monarchi had 123 Original Medicare patients and 193 services. NPI 1871612416. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 4150 N 1st St, San Jose, CA 95134 · Directions (1 more location)
  • Phone: (408) 871‑3400
  • Medicare: Accepts Medicare assignment
  • Group practice: El Camino Health Medical Network LLC
  • School: graduated 2003
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Joselle M. Monarchi, 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 Joselle M. Monarchi accept Medicare assignment?
Yes. Medicare's clinician data says Joselle M. Monarchi 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 Joselle M. Monarchi see?
In 2024, CMS data shows 123 Original Medicare patients and 193 services for Joselle M. Monarchi. This counts Original Medicare only and measures volume, not quality.
What is Joselle M. Monarchi's NPI number?
1871612416. 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 Joselle M. Monarchi, 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 patients123
Services billed to Medicare193
Different services or procedures26
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)53 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
  3. Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)20 services
  4. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)17 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 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%
  • Arthritis41%
  • Osteoporosis27%
  • Diabetes25%
  • Anxiety20%

Practice locations

Addresses where Joselle M. Monarchi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joselle M. Monarchi as a member of this group (CMS data updated October 2, 2026).

  • El Camino Health Medical Network LLC202 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All physician assistants in San Jose →

Other clinicians in El Camino Health Medical Network LLC

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

Clinician information

CredentialPA
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871612416
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians