Dr. Peter C. Tseng, MD
- Medicare services, 2022
- 35
- Part D claims, 2022
- 521
- Publications
- 27
- Hospital affiliations
- 1
- Industry payments
- $13
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, 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. Peter C. Tseng is an emergency medicine physician in Fontana, California
Dr. Tseng practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Tseng's NPI, 1508921396, was assigned on December 22, 2006. Dr. Tseng graduated from The Johns Hopkins University School of Medicine in 1987. Dr. Tseng holds California license A45459.
- NPI
- 1508921396NPI Registry (opens in a new tab)
- NPI enumeration date
- December 22, 2006
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Peter C. Tseng practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Tseng's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter C. Tseng is affiliated with 3 sites of care and 3 medical groups
Dr. Tseng's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Tseng is also affiliated with Torrance Memorial Medical Center. The medical group on file is Torrance Memorial Medical Center. Dmand AI also links Dr. Tseng to 2 more medical groups and 1 skilled nursing facility, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter C. Tseng's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tseng practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter C. Tseng is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Tseng's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Tseng is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Tseng
Counts of emergency medicine physicians 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. Peter C. Tseng billed Medicare for 35 services in 2022
CMS data shows 35 Medicare services from Dr. Tseng across 1 procedure code in 2022, all of them office visits. Medicare paid $3,517 for them. Every service was in an office.
Dr. Tseng's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 742022: 3553%
- Lab and pathology
- 2021: 122022: 0100%
Dr. Tseng compared with the California median for emergency medicine physicians, 2022
- Dr. Tseng
- California median
- Medicare services
- 35vs 26587% below
- Part D claims
- 521vs 628.4 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tseng'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.
Need commercial claims for Dr. Tseng?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tseng 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. Peter C. Tseng's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Tseng's median patient age at 81, with 50% women.
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 81
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Peter C. Tseng wrote 521 Medicare Part D claims in 2022
In 2022, Dr. Tseng wrote 521 Medicare Part D claims. They cover 24 drugs, with $20,611 in total drug cost. In 2021, CMS named 360 claims across 14 drugs.
Dr. Tseng's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3602022: 52145%
Drugs named by CMS: 24 in 2022, 14 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Peter C. Tseng has 27 publications on record
Dmand AI links 27 papers to Dr. Tseng, published from 2012 to 2025. 2014 was the busiest year, with 7. The most frequent topics are Biosensing Techniques, Microtechnology and Wireless Technology. Dr. Tseng has published most often in Lab Chip. Dr. Tseng's most frequent co-author is Jonathan S. Lin, MD.
Dr. Tseng's papers by year, 2012 to 2025
Topics Dr. Tseng writes about most
- Biosensing Techniques
- Microtechnology
- Wireless Technology
- Microfluidic Analytical Techniques
- Nanoparticles
- Cell Adhesion
- Dimethylpolysiloxanes
- Endocytosis
Dr. Tseng's most frequent co-authors
Recent publications by Dr. Tseng
ACS Appl Bio Mater
Sensors (Basel)
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 emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter C. Tseng received $13 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Tseng from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $13.
Companies that paid Dr. Tseng the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter C. Tseng graduated from The Johns Hopkins University School of Medicine
Dr. Tseng graduated from The Johns Hopkins University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Peter C. Tseng accepts plans from 9 insurance carriers
Dr. Tseng is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- +1 more carriersWith a free account
Plan types Dr. Tseng accepts, by number of carriers
- Medicare6
- PPO6
- POS3
- HMO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter C. 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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Peter C. 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. Peter C. Tseng's NPI number?
Dr. Peter C. Tseng's NPI number is 1508921396. It was assigned on December 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter C. Tseng?
Dr. Peter C. Tseng is an emergency medicine physician in Fontana, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Peter C. Tseng practice?
Dr. Tseng practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Tseng's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Tseng to 2 medical groups and 1 skilled nursing facility.
What is Dr. Peter C. Tseng's office phone number?
The practice phone on file for Dr. Tseng is (909) 427-5000.
What is Dr. Peter C. Tseng's medical license number?
Dr. Tseng holds California license A45459.
Which hospitals is Dr. Peter C. Tseng affiliated with?
Dr. Tseng is affiliated with Torrance Memorial Medical Center.
What medical group is Dr. Peter C. Tseng part of?
Dr. Tseng is linked to Torrance Memorial Medical Center. Dmand AI links Dr. Tseng to 2 more medical groups.
Does Dr. Peter C. Tseng accept Medicare?
Yes. CMS data shows Dr. Tseng billed Medicare for 35 services in 2022.
What services does Dr. Peter C. Tseng bill to Medicare?
In 2022, Dr. Tseng's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Peter C. Tseng go to medical school?
Dr. Tseng graduated from The Johns Hopkins University School of Medicine in 1987.
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What drugs does Dr. Peter C. Tseng prescribe most?
In 2022 Medicare Part D data, Dr. Tseng's most prescribed drugs by claims were Levothyroxine Sodium, Tamsulosin HCl and Furosemide.
Has Dr. Peter C. Tseng received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Tseng from 1 company from 2016 to 2016. The largest total came from Pfizer Inc.
How long has Dr. Peter C. Tseng been practicing?
Dr. Tseng graduated from medical school in 1987, 39 years ago.
Does Dr. Peter C. Tseng do research?
Dmand AI links 27 publications to Dr. Tseng, published from 2012 to 2025.
Who does Dr. Peter C. Tseng publish with?
Dr. Tseng's most frequent co-authors are Jonathan S. Lin, MD (1 shared paper).
What insurance does Dr. Peter C. Tseng accept?
Dr. Tseng is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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