Katherine Wu

  • Burlingame, CA
  • Rheumatologist
NPI1881013035PAC ID9931431970
Medicare services, 2024
642
Medicare patients, 2024
141
Part D claims, 2024
804
Publications
3
Hospital affiliations
3
Practice address
1501 Trousdale Drive, Burlingame, CA 94010
Practice phone
Call (650) 696-5400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Mills-Peninsula Medical Center

Hospital · Burlingame, California

See all 5 affiliations

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Katherine Wu is a rheumatologist in Burlingame, California

Katherine Wu practices at Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health.

Katherine Wu's NPI, 1881013035, was assigned on April 15, 2014. Katherine Wu graduated from David Geffen School of Medicine at UCLA in 2014. Katherine Wu holds California license A141727.

NPI and contact details
Medicare PAC ID
9931431970
NPI enumeration date
April 15, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 696-5400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
38
Medical school graduation
2014

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

Katherine Wu practices at Mills-Peninsula Medical Center in Burlingame, California

Katherine Wu's primary practice is Mills-Peninsula Medical Center, at 1501 Trousdale Drive, Burlingame, CA 94010 in San Mateo County. The practice phone is (650) 696-5400.

Source: Dmand AI Affiliation Data

Katherine Wu is affiliated with 4 sites of care and 1 medical group

Katherine Wu's primary practice is Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health. Katherine Wu is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Katherine Wu to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Katherine Wu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Katherine Wu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Wu practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mills-Peninsula Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Katherine Wu is one of 821 rheumatologists in California

Rheumatology is Katherine Wu's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Katherine Wu is board certified in internal medicine by the American Board of Internal Medicine. Katherine Wu is licensed in California.

Specialties and state licenses

  • Rheumatology, CaliforniaPrimaryLicense A141727 · 2016 to 2026 · taxonomy 207RR0500X

Clinical focus

Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint pain, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions Katherine Wu treats.

Rheumatologists near Katherine Wu

Counts of rheumatologists 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

Katherine Wu billed Medicare for 642 services in 2024

CMS data shows 642 Medicare services from Katherine Wu across 8 procedure codes in 2024, for 141 Medicare patients. Medicare paid $45,820 for them. Every service was in an office.

Medicare services, 2024642
Medicare patients141
Paid by Medicare$45,820
Procedure codes8

Katherine Wu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 932024: 305228%
Other services
2023: 02024: 170
Drugs given in the office
2023: 02024: 132
Surgery
2023: 02024: 35

Katherine Wu compared with the California median for rheumatologists, 2024

  • Katherine Wu
  • California median
Medicare services
642vs 90029% below
Medicare patients
141vs 21635% below
Part D claims
694vs 96228% below

Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.

Katherine Wu's most billed Medicare procedure codes, 2024

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 Katherine Wu

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

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

Katherine Wu treated 141 Medicare patients in 2024, average age 75

CMS counts 141 Medicare patients who saw Katherine Wu in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high cholesterol, and 73% have arthritis. 8% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Katherine Wu's median patient age at 62, with 76% women.

Medicare patients, 2024141
Average age75
Average risk score1.17
Also on Medicaid8%

Katherine Wu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Katherine Wu's Medicare patients by sex, 2024

  • Women10776%
  • Men3424%

Chronic conditions among Katherine Wu's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis73%
  3. High blood pressure65%
  4. Osteoporosis40%
  5. Chronic kidney disease24%
  6. Ischemic heart disease22%
  7. Mood disorders22%
  8. Anxiety20%

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

Katherine 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 62

Patient panel by sex, all payers

  • Women76%
  • Men19%

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

Katherine Wu wrote 804 Medicare Part D claims in 2024

In 2024, Katherine Wu wrote 804 Medicare Part D claims for 182 patients. 89% of them were for generic drugs. CMS names the drug for 694 of them, across 17 drugs with 11 or more claims each, at $427,150 in total drug cost. In 2023, CMS named 526 claims across 12 drugs.

Part D claims, 2024804
Drugs named by CMS17
Total drug cost$427,150
Part D patients182

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

  • Generic716 claims89%
  • Brand-name88 claims11%

Katherine 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: 5262024: 69432%

Drugs named by CMS: 17 in 2024, 12 in 2023.

See all prescribing by Katherine 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

Katherine Wu offers telehealth to Medicare patients

Katherine Wu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katherine Wu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Katherine Wu has 3 publications on record

Dmand AI links 3 papers to Katherine Wu, published from 2011 to 2021. Katherine Wu's most frequent co-authors are Ying Pan, MD, George Sakoulas, MD and Geoffrey Alexander Sonn, MD.

Papers3
Years published2011 to 2021

Katherine Wu's most frequent co-authors

Recent publications by Katherine Wu

See all 3 publications and co-authors

See who Katherine Wu researches with

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

How network discovery works

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

Katherine Wu received $125 in industry payments in 2022

CMS Open Payments shows 1 general payment to Katherine Wu from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.

Companies that paid Katherine Wu the most, 2022 to 2022

Share is of all general payments to this clinician.

See all payments to Katherine Wu

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

Katherine Wu graduated from David Geffen School of Medicine at UCLA

Katherine Wu graduated from David Geffen School of Medicine at UCLA in 2014.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Katherine Wu accepts plans from 11 insurance carriers

Katherine Wu is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +3 more carriersWith a free account

Plan types Katherine Wu accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. EPO4
  4. Medicare3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Katherine 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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 Katherine 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 Katherine Wu's NPI number?

Katherine Wu's NPI number is 1881013035. It was assigned on April 15, 2014, and it is active in the NPI Registry.

What does Katherine Wu specialize in?

Katherine Wu is a rheumatologist in Burlingame, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Katherine Wu practice?

Katherine Wu practices at 1501 Trousdale Drive, Burlingame, CA 94010. Katherine Wu's primary practice is Mills-Peninsula Medical Center in Burlingame, California, part of Sutter Health. Dmand AI also links Katherine Wu to 1 hospital and 1 group practice or clinic.

What is Katherine Wu's office phone number?

The practice phone on file for Katherine Wu is (650) 696-5400.

What is Katherine Wu's medical license number?

Katherine Wu holds California license A141727.

Which hospitals is Katherine Wu affiliated with?

Katherine Wu practices at Mills-Peninsula Medical Center in Burlingame, California. Katherine Wu is also affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Katherine Wu to 1 more hospital.

What medical group is Katherine Wu part of?

Katherine Wu is linked to Palo Alto Foundation Medical Group.

Does Katherine Wu accept Medicare?

Yes. CMS data shows Katherine Wu billed Medicare for 642 services in 2024, and Katherine Wu accepts Medicare assignment.

Does Katherine Wu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Katherine Wu as offering telehealth services.

How many Medicare patients does Katherine Wu see?

CMS counts 141 Medicare patients who saw Katherine Wu in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Katherine Wu board certified?

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

What services does Katherine Wu bill to Medicare?

In 2024, Katherine Wu's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and injected or infused drug (J3301).

Where did Katherine Wu go to medical school?

Katherine Wu graduated from David Geffen School of Medicine at UCLA in 2014.

What drugs does Katherine Wu prescribe most?

In 2024 Medicare Part D data, Katherine Wu's most prescribed drugs by claims were Prednisone, Alendronate Sodium and Hydroxychloroquine Sulfate.

Has Katherine Wu received payments from drug or device companies?

CMS Open Payments shows $125 in general payments to Katherine Wu from 1 company from 2022 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Katherine Wu been practicing?

Katherine Wu graduated from medical school in 2014, 12 years ago.

Does Katherine Wu do research?

Dmand AI links 3 publications to Katherine Wu, published from 2011 to 2021.

Who does Katherine Wu publish with?

Katherine Wu's most frequent co-authors are Ying Pan, MD (1 shared paper), George Sakoulas, MD (1 shared paper) and Geoffrey Alexander Sonn, MD (1 shared paper).

What insurance does Katherine Wu accept?

Katherine Wu is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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