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Dr. Daniel S. Tseng, MD
NPI1336228071PAC ID7911971288
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 3,928
- Publications
- 5
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
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. Daniel S. Tseng is an internist in Santa Clara, California
Dr. Tseng practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Tseng's NPI, 1336228071, was assigned on November 3, 2006. Dr. Tseng graduated from Medical College Of Wisconsin in 1992. Dr. Tseng's California license number on file is G83271.
NPI and contact details
- NPI
- 1336228071NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911971288
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel S. Tseng practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Tseng's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Daniel S. Tseng is affiliated with 2 sites of care and 1 medical group
Dr. Tseng's primary practice is Permanente Medical Group Inc in Santa Clara, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Tseng to 1 more group practice or clinic, named with a free account.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daniel S. Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tseng practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel S. 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. Dr. Tseng is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Tseng's licenses on file in 3 states: California, Illinois and Rhode Island.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Illinois license
- Rhode Island license
Clinical focus
Dmand AI lists chronic obstructive pulmonary disease (COPD), lower back pain, parkinson's disease, rash, thoracic spine disorders and upper respiratory infection (URI) among the conditions Dr. Tseng treats.
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. Daniel S. Tseng treated 11 Medicare patients in 2024, average age 64
CMS counts 11 Medicare patients who saw Dr. Tseng in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tseng's median patient age at 58, with 46% women.
Medicare patients, 202411
Average age64
Average risk score1.04
Dr. Tseng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
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 58
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel S. Tseng wrote 3,928 Medicare Part D claims in 2024
In 2024, Dr. Tseng wrote 3,928 Medicare Part D claims for 528 patients. 91% of them were for generic drugs. CMS names the drug for 3,444 of them, across 82 drugs with 11 or more claims each, at $115,679 in total drug cost. In 2023, CMS named 3,066 claims across 78 drugs.
Part D claims, 20243,928
Drugs named by CMS82
Total drug cost$115,679
Part D patients528
Dr. Tseng's Part D claims by kind of drug, 2024
- Generic3,588 claims91%
- Brand-name304 claims8%
- Other36 claims1%
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
- Opioids1%34 of 3,928 claims
- Antibiotics3%100 of 3,928 claims
- Antipsychotics, patients 65 and over0%11 of 3,928 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: 3,0662024: 3,44412%
Drugs named by CMS: 82 in 2024, 78 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. Daniel S. 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. Daniel S. Tseng has 5 publications on record
Dmand AI links 5 papers to Dr. Tseng. Dr. Tseng has published most often in Am J Med. Dr. Tseng's most frequent co-authors are Jan Kwong, MD and Firozeh Rezvani, MD.
Papers5
Dr. Tseng's most frequent co-authors
Recent publications by Dr. Tseng
Body Mass IndexCost-Benefit AnalysisCost of Illness
Angiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsAsian
See who Dr. Tseng researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tseng works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel S. Tseng has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Tseng, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Tseng
- 2011
- CMS Stage 1 2012
- 2010
- TPMG Morris F. Collen Research Award for recent publication
Dr. Tseng's committees and leadership roles
- Documentation and Coding Committee KPNCMember
- 2015 to 2018
- Santa Clara Central Research Committee Kaiser Permanente NCAssociate Local Research Chair
- 2012 to 2014
- Committee on Scholarly Achievement Washington Hospital Centermember
- 2002 to 2004
- Clinical Practice Committee Washington Hospital Centermember
- 2001 to 2004
Source: Dmand AI Professional Profile Data
Dr. Daniel S. Tseng graduated from Medical College Of Wisconsin
Dr. Tseng graduated from Medical College Of Wisconsin in 1992. Dr. Tseng is a member of ACP and CMA.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Daniel S. Tseng accepts plans from 2 insurance carriers
Dr. Tseng 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. Tseng accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel S. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Daniel S. 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. Daniel S. Tseng's NPI number?
Dr. Daniel S. Tseng's NPI number is 1336228071. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel S. Tseng?
Dr. Daniel S. Tseng is an internist in Santa Clara, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Daniel S. Tseng practice?
Dr. Tseng practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Tseng's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Dr. Tseng to 1 group practice or clinic.
What is Dr. Daniel S. Tseng's office phone number?
The practice phone on file for Dr. Tseng is (408) 851-1000.
What is Dr. Daniel S. Tseng's medical license number?
Dr. Tseng's California license number on file is G83271, one of the licenses on file in 3 states.
Which states has Dr. Daniel S. Tseng been licensed in?
Dmand AI has state licenses on file for Dr. Tseng in California (1996 to 2025), Illinois (1995 to 1996) and Rhode Island (1993 to 1995).
What medical group is Dr. Daniel S. Tseng part of?
Dr. Tseng is linked to The Permanente Medical Group, Inc.
Does Dr. Daniel S. Tseng accept Medicare?
Yes. CMS lists Dr. Tseng as accepting Medicare assignment.
How many Medicare patients does Dr. Daniel S. Tseng see?
CMS counts 11 Medicare patients who saw Dr. Tseng in 2024, with an average age of 64.
Is Dr. Daniel S. Tseng board certified?
Yes. Dr. Tseng is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
Where did Dr. Daniel S. Tseng go to medical school?
Dr. Tseng graduated from Medical College Of Wisconsin in 1992.
What drugs does Dr. Daniel S. Tseng prescribe most?
In 2024 Medicare Part D data, Dr. Tseng's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
How long has Dr. Daniel S. Tseng been practicing?
Dr. Tseng graduated from medical school in 1992, 34 years ago.
Does Dr. Daniel S. Tseng do research?
Dmand AI links 5 publications to Dr. Tseng.
Who does Dr. Daniel S. Tseng publish with?
Dr. Tseng's most frequent co-authors are Jan Kwong, MD (1 shared paper) and Firozeh Rezvani, MD (1 shared paper).
What insurance does Dr. Daniel S. Tseng accept?
Dr. Tseng 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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