Joseph A. Cu, M.D.
Internal Medicine Physician · San Jose, CA
Joseph A. Cu, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1912086364, issued on Nov 6, 2006. Check the license (California A050530, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Cu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A050530 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2680 S White RD, San Jose, CA 95148
- Phone
- (408) 270-2107
- Enumerated
- Nov 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 270-0289
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2680 S White RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph A. Cu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A050530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,022 Medicare Part D claims for 471 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium689 claims
- Losartan Potassium613 claims
- Amlodipine Besylate586 claims
- Metformin Hcl306 claims
- Rosuvastatin Calcium258 claims
- Simvastatin216 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: $3,347.94
125 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Joseph A. Cu among 17,696 internal medicine physician records in California
Joseph A. Cu, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dominic Chiong, M.D.San Jose, CA 951481093749715
- Maryam Hassanpour, D.O.San Jose, CA 951481154742831
- Shallu Singh, M.D.San Jose, CA 951481396933180
- Marilyn Wong, MDSan Jose, CA 951481447458138
- Swaroopa Bussa, MDSan Jose, CA 951381003994856
- Albert Liang, M.D.San Jose, CA 951381659311025
- Nayyar Masood, M.D.San Jose, CA 951381639499866
- Shailender Singh, M.D.San Jose, CA 951381770783292
Common questions
What is Joseph A. Cu, M.D.'s NPI number?
Joseph A. Cu, M.D.'s National Provider Identifier (NPI) is 1912086364, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Cu, M.D. located?
The NPPES record lists a practice address at 2680 S White RD, San Jose, CA, 95148. Phone: (408) 270-2107. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Cu, M.D.'s license?
NPPES lists California license number A050530, 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 Joseph A. Cu, M.D. prescribe under Medicare Part D?
In 2024, Joseph A. Cu, M.D. had 7,022 Medicare Part D claims for 471 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.