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Dr. Lisa Wen-Wen Yang, MD
NPI1922266451
- Medicare services, 2021
- 12
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 146
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 250 Hospital Parkway, San Jose, CA 95119
- Practice phone
- Call (408) 972-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Lisa Wen-Wen Yang is an emergency medicine physician in San Jose, California
Dr. Yang practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
Dr. Yang's NPI, 1922266451, was assigned on May 31, 2008. Dr. Yang graduated from Wayne State University School Of Medicine in 2008. Dr. Yang holds California license A117334.
NPI and contact details
- NPI
- 1922266451NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2008
- NPI status
- Active
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Lisa Wen-Wen Yang practices at San Jose Medical Center in San Jose, California
Dr. Yang's primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(408) 972-7000
Source: Dmand AI Affiliation Data
Dr. Lisa Wen-Wen Yang is affiliated with 1 site of care and 1 medical group
Dr. Yang's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lisa Wen-Wen Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lisa Wen-Wen Yang is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Yang is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Yang's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Texas license
Emergency medicine physicians near Dr. Yang
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
7,423emergency medicine physicians in California158emergency medicine physicians in San Jose39emergency medicine physicians at San Jose Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lisa Wen-Wen Yang billed Medicare for 12 services in 2021
CMS data shows 12 Medicare services from Dr. Yang across 1 procedure code in 2021, for 12 Medicare patients. Medicare paid $1,024 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202112
Medicare patients12
Paid by Medicare$1,024
Procedure codes1
Dr. Yang's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 152021: 1220%
Dr. Yang compared with the California median for emergency medicine physicians, 2021
- Dr. Yang
- California median
- Medicare services
- 12vs 26595% below
- Medicare patients
- 12vs 24395% below
- Part D claims
- 24vs 6261% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Yang's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lisa Wen-Wen Yang treated 12 Medicare patients in 2024, average age 75
CMS counts 12 Medicare patients who saw Dr. Yang in 2024. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 40, with 57% women.
Medicare patients, 202412
Average age75
Average risk score0.98
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lisa Wen-Wen Yang wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 146 Medicare Part D claims for 93 patients. 95% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $191 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Part D claims, 2024146
Drugs named by CMS2
Total drug cost$191
Part D patients93
Dr. Yang's Part D claims by kind of drug, 2024
- Generic139 claims95%
- Brand-name and other7 claims5%
Dr. Yang'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.
Drug classes CMS tracks in Dr. Yang's Part D claims, 2024
- Opioids12%18 of 146 claims
- Antibiotics23%33 of 146 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 24118%
Drugs named by CMS: 2 in 2024, 1 in 2023.
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
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Dr. Lisa Wen-Wen Yang has 1 publication on record
Dmand AI links 1 paper to Dr. Yang in 2013. Dr. Yang's most frequent co-author is Matthew Paul Fiesta, MD.
Papers1
Dr. Yang's most frequent co-authors
Recent publications by Dr. Yang
See who Dr. Yang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yang works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lisa Wen-Wen Yang received $37 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Yang from 1 drug or device company from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $37.
General payments to Dr. Yang by program year, 2016 to 2018
Companies that paid Dr. Yang the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lisa Wen-Wen Yang graduated from Wayne State University School Of Medicine
Dr. Yang graduated from Wayne State University School Of Medicine in 2008.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Lisa Wen-Wen Yang accepts plans from 1 insurance carrier
Dr. Yang is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Yang accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lisa Wen-Wen Yang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lisa Wen-Wen Yang
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. Lisa Wen-Wen Yang's NPI number?
Dr. Lisa Wen-Wen Yang's NPI number is 1922266451. It was assigned on May 31, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Lisa Wen-Wen Yang?
Dr. Lisa Wen-Wen Yang is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Lisa Wen-Wen Yang practice?
Dr. Yang practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Yang's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
What is Dr. Lisa Wen-Wen Yang's office phone number?
The practice phone on file for Dr. Yang is (408) 972-7000.
What is Dr. Lisa Wen-Wen Yang's medical license number?
Dr. Yang holds California license A117334, one of the licenses on file in 2 states.
Which states has Dr. Lisa Wen-Wen Yang been licensed in?
Dmand AI has state licenses on file for Dr. Yang in California (2011 to 2026) and Texas (2010 to 2012).
Which hospitals is Dr. Lisa Wen-Wen Yang affiliated with?
Dr. Yang practices at San Jose Medical Center in San Jose, California.
What medical group is Dr. Lisa Wen-Wen Yang part of?
Dr. Yang is linked to The Permanente Medical Group, Inc.
Does Dr. Lisa Wen-Wen Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 12 services in 2021.
How many Medicare patients does Dr. Lisa Wen-Wen Yang see?
CMS counts 12 Medicare patients who saw Dr. Yang in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Lisa Wen-Wen Yang board certified?
Yes. Dr. Yang is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Lisa Wen-Wen Yang bill to Medicare?
In 2021, Dr. Yang's most billed Medicare services were emergency department visit (99284).
Where did Dr. Lisa Wen-Wen Yang go to medical school?
Dr. Yang graduated from Wayne State University School Of Medicine in 2008.
What drugs does Dr. Lisa Wen-Wen Yang prescribe most?
In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Acetaminophen-Codeine and Ondansetron ODT.
Has Dr. Lisa Wen-Wen Yang received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Yang from 1 company from 2016 to 2018. The largest total came from Allergan Inc.
How long has Dr. Lisa Wen-Wen Yang been practicing?
Dr. Yang graduated from medical school in 2008, 18 years ago.
Does Dr. Lisa Wen-Wen Yang do research?
Dmand AI links 1 publication to Dr. Yang.
Who does Dr. Lisa Wen-Wen Yang publish with?
Dr. Yang's most frequent co-authors are Matthew Paul Fiesta, MD (1 shared paper).
What insurance does Dr. Lisa Wen-Wen Yang accept?
Dr. Yang is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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