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Physical Therapist in Private Practice

Jun Zhu Zhang, PT

Sees patients in New York, NY · Mount Kisco, NY · New York

Summary

Jun Zhu Zhang, PT is a physical therapist at 120 W 23rd St, New York, NY 10011. Phone: (212) 320-9797. Accepts Medicare assignment. In 2024, Jun Zhu Zhang had 27 Original Medicare patients and 879 services. NPI 1821528910. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physical therapist (Medicare lists Physical Therapist in Private Practice)
  • Address: 120 W 23rd St, New York, NY 10011 · Directions (1 more location)
  • Phone: (212) 320‑9797
  • Medicare: Accepts Medicare assignment
  • Group practice: Optum Medical Care PC
  • School: Columbia University College Of Physicians And Surgeons · graduated 2017
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jun Zhu 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 Jun Zhu Zhang accept Medicare assignment?
Yes. Medicare's clinician data says Jun Zhu 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 Jun Zhu Zhang see?
In 2024, CMS data shows 27 Original Medicare patients and 879 services for Jun Zhu Zhang. This counts Original Medicare only and measures volume, not quality.
What is Jun Zhu Zhang's NPI number?
1821528910. 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 Jun Zhu 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 patients27
Services billed to Medicare879
Different services or procedures6
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Therapy procedure using manual technique, each 15 minutes (97140)450 services
  2. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)396 services
  3. Evaluation for physical therapy, typically 30 minutes (97162)11 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 cholesterol70%
  • Arthritis67%
  • High blood pressure48%

Practice locations

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

Group practices

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

  • Optum Medical Care PC1,010 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, New York →

Other physical therapists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All physical therapists in New York →

Other clinicians in Optum Medical Care PC

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

Clinician information

CredentialPT
SchoolColumbia University College Of Physicians And Surgeons
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821528910
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