Dennis Y. Wu, MD
Nephrology Physician · Modesto, CA
Dennis Y. Wu, MD is a nephrology physician with a practice address in Modesto, California, and NPI 1114063716, issued on Jan 30, 2007. Check the license (California A77652, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis Y. Wu
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A77652 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4601 Dale RD, Modesto, CA 95356
- Phone
- (209) 557-1000
- Enumerated
- Jan 30, 2007
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040903001167); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2000
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 4601 Dale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
- Brandi AlbrittonCertified Respiratory Therapist1326503541
- Hilda Alcala, MDAnesthesiology Physician1467644427
Verify Dennis Y. Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A77652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average nephrology physician in 2024
427 Medicare Part D claims for 95 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Furosemide57 claims
- Hydralazine Hcl30 claims
- Amlodipine Besylate26 claims
- Calcium Acetate22 claims
- Metoprolol Tartrate21 claims
- Doxazosin Mesylate18 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.
Bills Medicare through one group practice
- Permanente Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Y. Wu among 1,468 nephrology physician records in California
Dennis Y. Wu, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2000 · median 2001 among the 1,128 with a school on file
- Record last updated2021 · 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 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Modesto → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mohit Shahani, MDModesto, CA 953561609926427
- Kishore Kalluri, M.D.Modesto, CA 953551073517751
- Ronak Shah, M.D.Modesto, CA 953551033145800
- Stephen Turitzin, MDModesto, CA 953551821047382
- Sunita Verma, M.D.Modesto, CA 953551720378581
- Nadia Yousef, MDModesto, CA 953551053654343
- Josephine Baisac, M.D.Modesto, CA 953501548223480
- Mark Fahlen, MDModesto, CA 953501679539415
Common questions
What is Dennis Y. Wu, MD's NPI number?
Dennis Y. Wu, MD's National Provider Identifier (NPI) is 1114063716, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Y. Wu, MD located?
The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 557-1000. Providers update this record themselves, so call before visiting.
How can I verify Dennis Y. Wu, MD's license?
NPPES lists California license number A77652, 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 Dennis Y. Wu, MD prescribe under Medicare Part D?
In 2024, Dennis Y. Wu, MD had 427 Medicare Part D claims for 95 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.