DR. JUSTIN CENMING ZHANG MD
NPI 1568112761
Hospitalist in San Francisco, CA

Active since March 28, 2022PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record last updated: June 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Justin Cenming Zhang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JUSTIN CENMING ZHANG MD (NPI 1568112761) is an individual hospitalist provider in San Francisco, California, licensed in California (A190323) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2022).

NPPES Registry Identity

NPI1568112761
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. JUSTIN CENMING ZHANGCredential: MD
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address502 Lowell AvePalo Alto, CA 94301-3815 · (650) 521-6868
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2022
Enumeration DateMarch 28, 2022
Last NPPES UpdateJune 12, 2025
NPPES CertifiedJune 12, 2025
✔ NPI 1568112761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A190323
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
505 PARNASSUS AVE, San Francisco, CA 94143

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Justin Cenming Zhang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810407525
PECOS Enrollment IDI20250611002590
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Justin Zhang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endocrinology, Diabetes & Metabolism
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Medical Oncology
995 POTRERO AVE, BLDG.80, RM 229
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 637 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justin Zhang's NPI number?

The NPI number for Justin Zhang is 1568112761. It was assigned to this individual provider in the NPPES registry on March 28, 2022.

Where is Justin Zhang located?

Justin Zhang practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-1000.

What is Justin Zhang's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Justin Zhang enrolled in Medicare?

Yes. Justin Zhang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Justin Zhang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Zhang reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Zhang was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.