Dr. Wendy Tseng, MD, MS
- Medicare services, 2024
- 29
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 751
- Hospital affiliations
- 2
- Industry payments
- $245
- Practice address
- 5601 De Soto Avenue, Woodland Hills, CA 91367
- Practice phone
- Call (818) 719-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Tseng'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. Wendy Tseng is an internist in Woodland Hills, California
Dr. Tseng practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente.
Dr. Tseng's NPI, 1609296680, was assigned on April 17, 2014. Dr. Tseng graduated from University of California, San Francisco School of Medicine in 2014. Dr. Tseng holds California license A148016.
- NPI
- 1609296680NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618194929
- NPI enumeration date
- April 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 719-3800
- 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)
Dr. Wendy Tseng practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California
Dr. Tseng's primary practice is Kaiser Permanente Woodland Hills Medical Center, at 5601 De Soto Avenue, Woodland Hills, CA 91367 in Los Angeles County. The practice phone is (818) 719-3800.
- Kaiser Permanente Woodland Hills Medical Center5601 De Soto Avenue, Woodland Hills, CA 91367 · Los Angeles CountyPhone(818) 719-3800
Source: Dmand AI Affiliation Data
Dr. Wendy Tseng is affiliated with 3 sites of care and 2 medical groups
Dr. Tseng's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dr. Tseng is also affiliated with Kaiser Permanente South San Francisco Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tseng to 1 more dialysis center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wendy Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tseng practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Woodland Hills Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wendy Tseng is one of 16,751 internists in California
Internal medicine is Dr. Tseng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Tseng's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Oregon license
Internists near Dr. Tseng
Counts of internists 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. Wendy Tseng billed Medicare for 29 services in 2024
CMS data shows 29 Medicare services from Dr. Tseng across 1 procedure code in 2024, for 22 Medicare patients. Medicare paid $1,881 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tseng's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 382024: 2924%
Dr. Tseng compared with the California median for internists, 2024
- Dr. Tseng
- California median
- Medicare services
- 29vs 36192% below
- Medicare patients
- 22vs 15185% below
- Part D claims
- 377vs 42110% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tseng'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wendy Tseng treated 22 Medicare patients in 2024, average age 76
CMS counts 22 Medicare patients who saw Dr. Tseng in 2024. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 2.33, 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. Tseng's median patient age at 74, with 55% women.
Dr. Tseng's Medicare patients by sex, 2024
- Women1150%
- Men1150%
Chronic conditions among Dr. Tseng's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Ischemic heart disease55%
- Heart failure50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tseng's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wendy Tseng wrote 751 Medicare Part D claims in 2024
In 2024, Dr. Tseng wrote 751 Medicare Part D claims for 243 patients. 82% of them were for generic drugs. CMS names the drug for 377 of them, across 21 drugs with 11 or more claims each, at $24,026 in total drug cost. In 2023, CMS named 206 claims across 13 drugs.
Dr. Tseng's Part D claims by kind of drug, 2024
- Generic617 claims82%
- Brand-name and other134 claims18%
Dr. Tseng'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. Tseng's Part D claims, 2024
- Opioids2%18 of 751 claims
- Antibiotics7%53 of 751 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: 2062024: 37783%
Drugs named by CMS: 21 in 2024, 13 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
How Dr. Wendy Tseng takes part in Medicare
Dr. Tseng 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. Wendy Tseng received $245 in industry payments in 2017
CMS Open Payments shows 3 general payments to Dr. Tseng from 2 drug and device companies in 2017. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $228.
Companies that paid Dr. Tseng the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wendy Tseng graduated from University of California, San Francisco School of Medicine
Dr. Tseng graduated from University of California, San Francisco School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Wendy Tseng'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Wendy Tseng
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. Wendy Tseng's NPI number?
Dr. Wendy Tseng's NPI number is 1609296680. It was assigned on April 17, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Wendy Tseng?
Dr. Wendy Tseng is an internist in Woodland Hills, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Wendy Tseng practice?
Dr. Tseng practices at 5601 De Soto Avenue, Woodland Hills, CA 91367. Dr. Tseng's primary practice is Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California, part of Kaiser Permanente. Dmand AI also links Dr. Tseng to 1 dialysis center and 1 medical group.
What is Dr. Wendy Tseng's office phone number?
The practice phone on file for Dr. Tseng is (818) 719-3800.
What is Dr. Wendy Tseng's medical license number?
Dr. Tseng holds California license A148016, one of the licenses on file in 2 states.
Which states has Dr. Wendy Tseng been licensed in?
Dmand AI has state licenses on file for Dr. Tseng in California and Oregon.
Which hospitals is Dr. Wendy Tseng affiliated with?
Dr. Tseng practices at Kaiser Permanente Woodland Hills Medical Center in Woodland Hills, California. Dr. Tseng is also affiliated with Kaiser Permanente South San Francisco Medical Center.
What medical group is Dr. Wendy Tseng part of?
Dr. Tseng is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Tseng to 1 more medical group.
Does Dr. Wendy Tseng accept Medicare?
Yes. CMS data shows Dr. Tseng billed Medicare for 29 services in 2024, and Dr. Tseng accepts Medicare assignment.
How many Medicare patients does Dr. Wendy Tseng see?
CMS counts 22 Medicare patients who saw Dr. Tseng in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Wendy Tseng bill to Medicare?
In 2024, Dr. Tseng's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Wendy Tseng go to medical school?
Dr. Tseng graduated from University of California, San Francisco School of Medicine in 2014.
What drugs does Dr. Wendy Tseng prescribe most?
In 2024 Medicare Part D data, Dr. Tseng's most prescribed drugs by claims were Furosemide, Omeprazole and Pradaxa.
Has Dr. Wendy Tseng received payments from drug or device companies?
CMS Open Payments shows $245 in general payments to Dr. Tseng from 2 companies from 2017 to 2017. The largest total came from Allergan Inc.
How long has Dr. Wendy Tseng been practicing?
Dr. Tseng graduated from medical school in 2014, 12 years ago.
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