Cathy Ruoran Zhang, MD
Hematology & Oncology Physician · Fresno, CA
Cathy Ruoran Zhang, MD is a hematology & oncology physician with a practice address in Fresno, California, and NPI 1316407984, issued on Mar 20, 2019. Check the license (California A185766, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathy Ruoran Zhang
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A185766 CA
Self-reported in NPPES; status is on the state search - Practice location
- 155 N Fresno St, Fresno, CA 93701
- Phone
- (559) 387-1909
- Enumerated
- Mar 20, 2019
- Record last updated
- Jul 10, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 155 N Fresno St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Waleed AbdelfattahStudent in an Organized Health Care Education/Training Program1982544359
- Khaled Mohammed Abdullah, MBBSStudent in an Organized Health Care Education/Training Program1003552472
- Mohammad Abidali, MDStudent in an Organized Health Care Education/Training Program1174383764
- Charlie Abraham, MDSleep Medicine (Internal Medicine) Physician1588841043
- Luke Adams, MDStudent in an Organized Health Care Education/Training Program1497458855
- Yasmeen Afridi, DOStudent in an Organized Health Care Education/Training Program1548964489
Verify Cathy Ruoran Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $279.41
8 payments; by number, the most common kind was food and beverage; the largest payer was Genentech, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cathy Ruoran Zhang among 1,583 hematology & oncology physician records in California
Cathy Ruoran 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 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% 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.
All 1,583 in California → Every provider in Fresno → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ellie Chan, M.D.Fresno, CA 937011578761656
- Nguyen-Huong Doan, MDFresno, CA 937011245972637
- Omid Saeed Tehrani, M.D., PH.D,Fresno, CA 937011659508281
- Vajeeha Tabassum, M.DFresno, CA 937011699951582
- Anita Xavier, MDFresno, CA 937031790884815
- Klaus Hoffmann, MDFresno, CA 937101134157910
- Dina Ibrahim, M.DFresno, CA 937101780625376
- Christopher Perkins, MDFresno, CA 937101396820189
Common questions
What is Cathy Ruoran Zhang, MD's NPI number?
Cathy Ruoran Zhang, MD's National Provider Identifier (NPI) is 1316407984, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Ruoran Zhang, MD located?
The NPPES record lists a practice address at 155 N Fresno St, Fresno, CA, 93701. Phone: (559) 387-1909. Providers update this record themselves, so call before visiting.
How can I verify Cathy Ruoran Zhang, MD's license?
NPPES lists California license number A185766, 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.
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.