NPPES file of Aug 9, 2026

Shannon Shueyin Zhang, MD

Hematology & Oncology Physician · Orange, CA

Shannon Shueyin Zhang, MD is a hematology & oncology physician with a practice address in Orange, California, and NPI 1871120162, issued on Mar 25, 2020. Check the license (California A183046, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871120162
Name
Shannon Shueyin Zhang
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A183046 CA
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S Ste 400, Orange, CA 92868
Phone
(714) 456-5691
Enumerated
Mar 25, 2020
Record last updated
Jul 25, 2026
Fax
(714) 456-8874
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 101 The City Dr S Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joshua AbataStudent in an Organized Health Care Education/Training Program1437899697
  2. Mark Abdelnour, MDStudent in an Organized Health Care Education/Training Program1194527812
  3. Shant AbrhamianStudent in an Organized Health Care Education/Training Program1033911219
  4. Salam AllahwerdyStudent in an Organized Health Care Education/Training Program1124767470
  5. Lily Allison, MDStudent in an Organized Health Care Education/Training Program1063272441
  6. Charissa Alo, MDStudent in an Organized Health Care Education/Training Program1801699335

Verify Shannon Shueyin Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A183046
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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95% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

43 Medicare Part D claims for 13 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Shannon Zhang43
  2. Specialty average877

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Shannon Shueyin Zhang among 1,583 hematology & oncology physician records in California

Shannon Shueyin Zhang, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Timothy Byun, MDOrange, CA 928681871545012
  2. Warren Chow, MDOrange, CA 928681093822017
  3. Paul Coluzzi, M.D.Orange, CA 928681972563906
  4. Mihaela Cristea, MDOrange, CA 928681417050998
  5. Sam Huang, M.D.Orange, CA 928681841248812
  6. Tiberio Lindgren, MDOrange, CA 928681275585424
  7. John Link, MDOrange, CA 928681245281211
  8. Steven Lipkin, MDOrange, CA 928681134153547

Common questions

What is Shannon Shueyin Zhang, MD's NPI number?

Shannon Shueyin Zhang, MD's National Provider Identifier (NPI) is 1871120162, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Shueyin Zhang, MD located?

The NPPES record lists a practice address at 101 The City Dr S Ste 400, Orange, CA, 92868. Phone: (714) 456-5691. Providers update this record themselves, so call before visiting.

How can I verify Shannon Shueyin Zhang, MD's license?

NPPES lists California license number A183046, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shannon Shueyin Zhang, MD prescribe under Medicare Part D?

In 2024, Shannon Shueyin Zhang, MD had 43 Medicare Part D claims for 13 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.