Dr. Joshua Tseng, MD

  • Long Beach, CA
  • General surgeon
NPI1396193389PAC ID6709176621
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
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Social profiles

Primary practice

Optum Surgery Center - Long Beach

Surgery Center - Medicare-Certified · Long Beach, California

See all 6 affiliations

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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 and contact details
Medicare PAC ID
6709176621
NPI enumeration date
May 31, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 988-7147
Professional email
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Personal email
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Mobile number
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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 Beach
    2600 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.

See all 6 affiliations for Dr. Tseng

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.

EHR by site
SiteEHR vendor and product
Optum Surgery Center - Long BeachAvailable with a free account
+2 more sites and 2 medical groupsAvailable 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, CaliforniaPrimaryLicense 141586 · 2016 to 2025 · taxonomy 208600000X

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.

Part D claims, 201928
Drugs named by CMS2
Total drug cost$123

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.

See all prescribing by Dr. Tseng

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.

Papers18
Years published2012 to 2025

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

Recent publications by Dr. Tseng

See all 18 publications and co-authors

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.

How network discovery works

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

$5.1Kin total
  • 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.

See all payments to Dr. Tseng

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.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in surgeryAmerican Board of 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

  1. Medicare6
  2. PPO6
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Joshua Tseng's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Show 6 more questionsShow fewer questions

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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