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Allergy/Immunology

June Y. Zhang, MD

Sees patients in San Jose, CA · California

Summary

Dr. June Y. Zhang, MD is an allergist and immunologist at 2211 Moorpark Ave, Suite 130, San Jose, CA 95128. Phone: (408) 286-1707. Accepts Medicare assignment. In 2024, June Y. Zhang had 47 Original Medicare patients and 1,627 services. NPI 1174787170. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 2211 Moorpark Ave, Suite 130, San Jose, CA 95128 · Directions
  • Phone: (408) 286‑1707
  • Medicare: Accepts Medicare assignment
  • Group practice: South Bay Allergy and Asthma Group Inc
  • Medical school: University Of Wisconsin School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about June Y. Zhang, 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 June Y. Zhang accept Medicare assignment?
Yes. Medicare's clinician data says June Y. Zhang 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 June Y. Zhang see?
In 2024, CMS data shows 47 Original Medicare patients and 1,627 services for June Y. Zhang. This counts Original Medicare only and measures volume, not quality.
What is June Y. Zhang's NPI number?
1174787170. 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 June Y. Zhang, 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 patients47
Services billed to Medicare1,627
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

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)30 services
  2. Test to measure the level of nitric oxide gas (95012)22 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)19 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 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 cholesterol72%
  • High blood pressure62%
  • Arthritis45%
  • Asthma32%
  • Osteoporosis26%
  • Ischemic heart disease23%

Practice locations

Addresses where June Y. Zhang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists June Y. Zhang as a member of this group (CMS data updated October 2, 2026).

  • South Bay Allergy and Asthma Group Inc4 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in San Jose

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

All allergist and immunologists in San Jose →

Other clinicians in South Bay Allergy and Asthma Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174787170
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