NPPES file of Aug 9, 2026

Robert Su, M.D.

Rheumatology Physician · Fremont, CA

Robert Su, M.D. is a rheumatology physician with a practice address in Fremont, California, and NPI 1932439932, issued on Jan 13, 2010. Check the license (California A110063, 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
1932439932
Name
Robert Su
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
A110063 CA
Self-reported in NPPES; status is on the state search
Practice location
3200 Kearney St, Fremont, CA 94538
Phone
(510) 490-1222
Enumerated
Jan 13, 2010
Record last updated
May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130529000349); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest rheumatology physician records → All 926 in California → Look up another NPI →

Also registered at 3200 Kearney St

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

  1. Jia Afnan, PAPhysician Assistant1376763698
  2. Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
  3. Neha AnandFamily Medicine Physician1477810836
  4. Lauren Auerbach, MDEmergency Medicine Physician1033678990
  5. Ritika Aulakh, D.OFamily Medicine Physician1346335072
  6. Rupal Badani, M.D.Pediatrics Physician1598857765

Verify Robert 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 A110063    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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3% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,919 Medicare Part D claims for 283 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 45 claims were for opioids.

  1. Robert Su1,919
  2. Specialty average1,978

Most prescribed

  1. Methotrexate321 claims
  2. Prednisone320 claims
  3. Hydroxychloroquine Sulfate244 claims
  4. Leflunomide67 claims
  5. Humira(Cf) Pen59 claims
  6. Folic Acid56 claims

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: $34,997.65

30 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Su$34,998
  2. Specialty average$8,538

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

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Su among 926 rheumatology physician records in California

Robert Su, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.

  • NPI issued2010 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2008 · median 2003 among the 641 with a school on file
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

All 926 in California → Every provider in Fremont → Rheumatology Physician nationwide →

The 8 rheumatology physician records with the nearest ZIP codes

  1. Christine Elias, M.D.Fremont, CA 945381972732600
  2. Peter Hendler, MDFremont, CA 945381659456325
  3. Barry Shibuya, M.D.Fremont, CA 945381275746935
  4. Vani Velkuru, M.D.Fremont, CA 945381811174428
  5. Deepesh Yadav, MDFremont, CA 945381689202343
  6. Naini Sharma, MDFremont, CA 945391659602027
  7. Sabiha Rasheed, MDFremont, CA 945361134161524
  8. James Dizmang, M.D.Travis Afb, CA 945351386004059

Common questions

What is Robert Su, M.D.'s NPI number?

Robert Su, M.D.'s National Provider Identifier (NPI) is 1932439932, issued on Jan 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Robert Su, M.D. located?

The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 490-1222. Providers update this record themselves, so call before visiting.

How can I verify Robert Su, M.D.'s license?

NPPES lists California license number A110063, 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 Robert Su, M.D. prescribe under Medicare Part D?

In 2024, Robert Su, M.D. had 1,919 Medicare Part D claims for 283 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.