Dr. Dennis Y. Wu, MD

  • Modesto, CA
  • Nephrologist
NPI1114063716PAC ID6204802887
Medicare services, 2022
36
Medicare patients, 2024
16
Part D claims, 2024
427
Publications
15
Hospital affiliations
1
Practice address
4601 Dale Rd, Modesto, CA 95356
Practice phone
Call (209) 735-7615
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Modesto Medical Center and Medical Offices

Modesto, California

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Dr. Dennis Y. Wu is a nephrologist in Modesto, California

Dr. Wu practices at Modesto Medical Center and Medical Offices in Modesto, California.

Dr. Wu's NPI, 1114063716, was assigned on January 30, 2007. Dr. Wu graduated from University Of Michigan Medical School in 2000. Dr. Wu holds California license A77652.

NPI and contact details
Medicare PAC ID
6204802887
NPI enumeration date
January 30, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(209) 735-7615
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Dennis Y. Wu practices at Modesto Medical Center and Medical Offices in Modesto, California

Dr. Wu's primary practice is Modesto Medical Center and Medical Offices, at 4601 Dale Rd, Modesto, CA 95356 in Stanislaus County. The practice phone is (209) 735-7615.

  • Modesto Medical Center and Medical Offices
    4601 Dale Rd, Modesto, CA 95356 · Stanislaus CountyPhone(209) 735-7615

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Dennis Y. Wu is affiliated with 4 sites of care and 1 medical group

Dr. Wu's primary practice is Modesto Medical Center and Medical Offices in Modesto, California. Dr. Wu is also affiliated with Manteca Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Wu to 1 more dialysis center and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Wu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Dennis Y. Wu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wu practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Modesto Medical Center and Medical OfficesAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Dennis Y. Wu is one of 1,401 nephrologists in California

Nephrology is Dr. Wu's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Wu is board certified in internal medicine by the American Board of Internal Medicine. Dr. Wu is licensed in California.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A77652 · 2002 to 2026 · taxonomy 207RN0300X

Nephrologists near Dr. Wu

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Dennis Y. Wu billed Medicare for 36 services in 2022

CMS data shows 36 Medicare services from Dr. Wu across 1 procedure code in 2022, for 16 Medicare patients. Medicare paid $1,883 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202236
Medicare patients16
Paid by Medicare$1,883
Procedure codes1

Dr. Wu's Medicare services by type, 2019 to 2022

  • 2019
  • 2022
Office and hospital visits
2019: 272022: 3633%

Dr. Wu compared with the California median for nephrologists, 2022

  • Dr. Wu
  • California median
Medicare services
36vs 1,08497% below
Medicare patients
16vs 30795% below
Part D claims
242vs 95575% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Wu's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wu

Need commercial claims for Dr. Wu?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wu and other nephrologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Dennis Y. Wu treated 16 Medicare patients in 2024, average age 63

CMS counts 16 Medicare patients who saw Dr. Wu in 2024. The largest group is 85 and over, with 0 patients. 75% of them have chronic kidney disease, and 75% have diabetes. Their average risk score is 8.39, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Wu's median patient age at 61, with 41% women.

Medicare patients, 202416
Average age63
Average risk score8.39

Dr. Wu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Wu's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. Diabetes75%
  3. High blood pressure75%
  4. High cholesterol69%

Share of Medicare patients with each condition. A patient can have several.

Dr. Wu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women41%
  • Men59%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Dennis Y. Wu wrote 427 Medicare Part D claims in 2024

In 2024, Dr. Wu wrote 427 Medicare Part D claims for 95 patients. 94% of them were for generic drugs. CMS names the drug for 242 of them, across 11 drugs with 11 or more claims each, at $8,038 in total drug cost. In 2023, CMS named 264 claims across 13 drugs.

Part D claims, 2024427
Drugs named by CMS11
Total drug cost$8,038
Part D patients95

Dr. Wu's Part D claims by kind of drug, 2024

  • Generic402 claims94%
  • Brand-name25 claims6%

Dr. Wu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2642024: 2428%

Drugs named by CMS: 11 in 2024, 13 in 2023.

See all prescribing by Dr. Wu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Dennis Y. Wu takes part in Medicare

Dr. Wu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Dennis Y. Wu has 15 publications on record

Dmand AI links 15 papers to Dr. Wu, published from 2005 to 2025. 2023 was the busiest year, with 2. The most frequent topics are Brain, Mice, Knockout and Gene Expression Regulation. Dr. Wu has published most often in bioRxiv. Dr. Wu's most frequent co-authors are Kamyar Zadeh Kalantar-Zadeh, MD, Azad Bonni, MD and Jared Vega Goodman, MD.

Papers15
Years published2005 to 2025

Dr. Wu's papers by year, 2005 to 2025

Topics Dr. Wu writes about most

  • Brain
  • Mice, Knockout
  • Gene Expression Regulation
  • Genome
  • Mice, Inbred C57BL
  • Renal Dialysis
  • Behavior, Animal
  • Chromosomes

Dr. Wu's most frequent co-authors

Recent publications by Dr. Wu

See all 15 publications and co-authors

See who Dr. Wu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wu works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Dennis Y. Wu received $432 in industry payments from 2016 to 2018

CMS Open Payments shows 4 general payments to Dr. Wu from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Alexion Pharmaceuticals, Inc. paid the most, $128.

General payments to Dr. Wu by program year, 2016 to 2018

Companies that paid Dr. Wu the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Wu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Dennis Y. Wu has 1 award and honors on record

Dmand AI lists 1 award for Dr. Wu, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Wu

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Dennis Y. Wu graduated from University Of Michigan Medical School

Dr. Wu graduated from University Of Michigan Medical School in 2000.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Dennis Y. Wu accepts plans from 2 insurance carriers

Dr. Wu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Wu accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Dennis Y. Wu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Dennis Y. Wu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Dennis Y. Wu's NPI number?

Dr. Dennis Y. Wu's NPI number is 1114063716. It was assigned on January 30, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Dennis Y. Wu?

Dr. Dennis Y. Wu is a nephrologist in Modesto, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Dennis Y. Wu practice?

Dr. Wu practices at 4601 Dale Rd, Modesto, CA 95356. Dr. Wu's primary practice is Modesto Medical Center and Medical Offices in Modesto, California. Dmand AI also links Dr. Wu to 1 dialysis center and 1 group practice or clinic.

What is Dr. Dennis Y. Wu's office phone number?

The practice phone on file for Dr. Wu is (209) 735-7615.

What is Dr. Dennis Y. Wu's medical license number?

Dr. Wu holds California license A77652.

Which hospitals is Dr. Dennis Y. Wu affiliated with?

Dr. Wu is affiliated with Manteca Medical Center.

What medical group is Dr. Dennis Y. Wu part of?

Dr. Wu is linked to The Permanente Medical Group, Inc.

Does Dr. Dennis Y. Wu accept Medicare?

Yes. CMS data shows Dr. Wu billed Medicare for 36 services in 2022, and Dr. Wu accepts Medicare assignment.

How many Medicare patients does Dr. Dennis Y. Wu see?

CMS counts 16 Medicare patients who saw Dr. Wu in 2024, with an average age of 63.

Is Dr. Dennis Y. Wu board certified?

Yes. Dr. Wu is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Dennis Y. Wu bill to Medicare?

In 2022, Dr. Wu's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Dennis Y. Wu go to medical school?

Dr. Wu graduated from University Of Michigan Medical School in 2000.

What drugs does Dr. Dennis Y. Wu prescribe most?

In 2024 Medicare Part D data, Dr. Wu's most prescribed drugs by claims were Furosemide, Hydralazine HCl and Amlodipine Besylate.

Has Dr. Dennis Y. Wu received payments from drug or device companies?

CMS Open Payments shows $432 in general payments to Dr. Wu from 4 companies from 2016 to 2018. The largest total came from Alexion Pharmaceuticals, Inc.

How long has Dr. Dennis Y. Wu been practicing?

Dr. Wu graduated from medical school in 2000, 26 years ago.

Does Dr. Dennis Y. Wu do research?

Dmand AI links 15 publications to Dr. Wu, published from 2005 to 2025.

Who does Dr. Dennis Y. Wu publish with?

Dr. Wu's most frequent co-authors are Kamyar Zadeh Kalantar-Zadeh, MD (3 shared papers), Azad Bonni, MD (2 shared papers) and Jared Vega Goodman, MD (2 shared papers).

What insurance does Dr. Dennis Y. Wu accept?

Dr. Wu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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