Dr. Joshua Tseng, MD
- Part D claims, 2019
- 28
- Publications
- 18
- Hospital affiliations
- 1
- Industry payments
- $5,095
- Medical groups
- 3
- Practice address
- 2600 Redondo Avenue, Long Beach, CA 90806
- Practice phone
- Call (562) 988-7147
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum Surgery Center - Long Beach
Surgery Center - Medicare-Certified · Long Beach, 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. Joshua Tseng is a general surgeon in Long Beach, California
Dr. Tseng practices at Optum Surgery Center - Long Beach in Long Beach, California.
Dr. Tseng's NPI, 1396193389, was assigned on May 31, 2016. Dr. Tseng graduated from Keck School of Medicine of USC in 2014. Dr. Tseng's California license number on file is 141586.
- NPI
- 1396193389NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709176621
- NPI enumeration date
- May 31, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 988-7147
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Joshua Tseng practices at Optum Surgery Center - Long Beach in Long Beach, California
Dr. Tseng's primary practice is Optum Surgery Center - Long Beach, at 2600 Redondo Avenue, Long Beach, CA 90806. The practice phone is (562) 988-7147.
- Optum Surgery Center - Long Beach2600 Redondo Avenue, Long Beach, CA 90806Phone(562) 988-7147
Source: Dmand AI Affiliation Data
Dr. Joshua Tseng is affiliated with 3 sites of care and 3 medical groups
Dr. Tseng's primary practice is Optum Surgery Center - Long Beach in Long Beach, California. Dr. Tseng is also affiliated with Ocean View Psychiatric Health Facility. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tseng to 2 more medical groups and 1 group practice or clinic, 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. Joshua 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 |
|---|---|
| Optum Surgery Center - Long Beach | 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. Joshua Tseng is one of 2,926 general surgeons in California
Surgery is Dr. Tseng's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tseng is board certified in surgery by the American Board of Surgery. Dr. Tseng has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists gallbladder removal among the conditions Dr. Tseng treats.
General surgeons near Dr. Tseng
Counts of general surgeons 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. Joshua Tseng's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Tseng's median patient age at 58, with 57% 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 58
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Joshua Tseng wrote 28 Medicare Part D claims in 2019
In 2019, Dr. Tseng wrote 28 Medicare Part D claims. They cover 2 drugs, with $123 in total drug cost. In 2018, CMS named 14 claims across 1 drug.
Dr. Tseng's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 142019: 28100%
Drugs named by CMS: 2 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Joshua 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. Joshua Tseng has 18 publications on record
Dmand AI links 18 papers to Dr. Tseng, published from 2012 to 2025. 2021 was the busiest year, with 8. The most frequent topics are Breast Neoplasms, Mastectomy and Antineoplastic Combined Chemotherapy Protocols. Dr. Tseng has published most often in Ann Surg Oncol. Dr. Tseng's most frequent co-authors are Farin F. Amersi, MD, Armando E. Giuliano, FACS, MD and Stephanie Anne Kingman Angarita, MD.
Dr. Tseng's papers by year, 2012 to 2025
Topics Dr. Tseng writes about most
- Breast Neoplasms
- Mastectomy
- Antineoplastic Combined Chemotherapy Protocols
- Axilla
- Biopsy, Large-Core Needle
- Carcinoma, Ductal, Breast
- Chemotherapy, Adjuvant
- Lymph Node Excision
Dr. Tseng's most frequent co-authors
- Farin F. Amersi, MD8 shared papers
- Armando E. Giuliano, FACS, MD7 shared papers
- Stephanie Anne Kingman Angarita, MD4 shared papers
Recent publications by Dr. Tseng
Surg Clin North Am
Clin Breast Cancer
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 general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joshua Tseng received $5,095 in industry payments from 2016 to 2024
CMS Open Payments shows 30 general payments to Dr. Tseng from 12 drug and device companies from 2016 to 2024. Education make up the largest share, 79% of the total. Intuitive Surgical, Inc. paid the most, $4,154.
General payments to Dr. Tseng by program year, 2016 to 2024
General payments to Dr. Tseng by kind, 2016 to 2024
- Education$4,00079%
- Food and beverage$1,09521%
Companies that paid Dr. Tseng the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joshua Tseng graduated from Keck School of Medicine of USC
Dr. Tseng graduated from Keck School of Medicine of USC in 2014.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Joshua Tseng accepts plans from 7 insurance carriers
Dr. Tseng is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Molina
- United Healthcare
Plan types Dr. Tseng accepts, by number of carriers
- Medicare6
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Joshua 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 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) |
| 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 |
| 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. Joshua 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. Joshua Tseng's NPI number?
Dr. Joshua Tseng's NPI number is 1396193389. It was assigned on May 31, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Joshua Tseng?
Dr. Joshua Tseng is a general surgeon in Long Beach, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joshua Tseng practice?
Dr. Tseng practices at 2600 Redondo Avenue, Long Beach, CA 90806. Dr. Tseng's primary practice is Optum Surgery Center - Long Beach in Long Beach, California. Dmand AI also links Dr. Tseng to 2 medical groups and 1 group practice or clinic.
What is Dr. Joshua Tseng's office phone number?
The practice phone on file for Dr. Tseng is (562) 988-7147.
What is Dr. Joshua Tseng's medical license number?
Dr. Tseng's California license number on file is 141586.
Which hospitals is Dr. Joshua Tseng affiliated with?
Dr. Tseng is affiliated with Ocean View Psychiatric Health Facility.
What medical group is Dr. Joshua Tseng part of?
Dr. Tseng is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Tseng to 2 more medical groups.
Does Dr. Joshua Tseng accept Medicare?
Yes. CMS lists Dr. Tseng as accepting Medicare assignment.
Is Dr. Joshua Tseng board certified?
Yes. Dr. Tseng is board certified in surgery by the American Board of Surgery.
Where did Dr. Joshua Tseng go to medical school?
Dr. Tseng graduated from Keck School of Medicine of USC in 2014.
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What drugs does Dr. Joshua Tseng prescribe most?
In 2019 Medicare Part D data, Dr. Tseng's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Tramadol HCl.
Has Dr. Joshua Tseng received payments from drug or device companies?
CMS Open Payments shows $5,095 in general payments to Dr. Tseng from 12 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Joshua Tseng been practicing?
Dr. Tseng graduated from medical school in 2014, 12 years ago.
Does Dr. Joshua Tseng do research?
Dmand AI links 18 publications to Dr. Tseng, published from 2012 to 2025.
Who does Dr. Joshua Tseng publish with?
Dr. Tseng's most frequent co-authors are Farin F. Amersi, MD (8 shared papers), Armando E. Giuliano, FACS, MD (7 shared papers) and Stephanie Anne Kingman Angarita, MD (4 shared papers).
What insurance does Dr. Joshua Tseng accept?
Dr. Tseng is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan 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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