NPPES file of Aug 9, 2026

Catherine Kailin Su, MD

Radiation Oncology Physician · San Jose, CA

Catherine Kailin Su, MD is a radiation oncology physician with a practice address in San Jose, California, and NPI 1184719668, issued on Oct 3, 2006. Check the license (California A65920, 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
1184719668
Name
Catherine Kailin Su
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A65920 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Jose Figueres Ave, San Jose, CA 95116
Phone
(408) 977-4673
Enumerated
Oct 3, 2006
Record last updated
Oct 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(408) 729-9943
Medicaid ID
00A659200 CA
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 200 Jose Figueres Ave

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

  1. Fakhar Abbas, MDInternal Medicine Physician1578022422
  2. Mohammed Ahmed, M.D.Cardiovascular Disease Physician1770593105
  3. Munawar Alavi, M.D.Specialist1851334403
  4. Manjari Aravamuthan, M.DInternal Medicine Physician1154410322
  5. Ly Do, M.D.Radiation Oncology Physician1376706929
  6. Morteza Dowlatshahi, M.D.Radiation Oncology Physician1437112158

Verify Catherine Kailin Su in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65920
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average radiation oncology physician in 2024

14 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Catherine Su14
  2. Specialty average134

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.

Industry payments in 2024: $55.59

2 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Su$55.59
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Catherine Kailin Su among 735 radiation oncology physician records in California

Catherine Kailin Su, MD is one of 735 radiation 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 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2012 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ly Do, M.D.San Jose, CA 951161376706929
  2. Morteza Dowlatshahi, M.D.San Jose, CA 951161437112158
  3. Gail Bellman, M.D.San Jose, CA 951281417070723
  4. Constance Bowie, MDSan Jose, CA 951281699831420
  5. Gregory Colburn, MDSan Jose, CA 951281538235056
  6. Elizabeth Dubose, M.D.San Jose, CA 951281124081245
  7. Susan Hiniker, M.D.San Jose, CA 951281275859605
  8. Xingzhe LiSan Jose, CA 951281780116509

Common questions

What is Catherine Kailin Su, MD's NPI number?

Catherine Kailin Su, MD's National Provider Identifier (NPI) is 1184719668, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Kailin Su, MD located?

The NPPES record lists a practice address at 200 Jose Figueres Ave, San Jose, CA, 95116. Phone: (408) 977-4673. Providers update this record themselves, so call before visiting.

How can I verify Catherine Kailin Su, MD's license?

NPPES lists California license number A65920, 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 Catherine Kailin Su, MD prescribe under Medicare Part D?

In 2024, Catherine Kailin Su, MD had 14 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. 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.