Dr. James Tseng, MD
- Medicare services, 2024
- 790
- Medicare patients, 2024
- 339
- Part D claims, 2024
- 145
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Practice address
- 1972 Mesquite Ave, Lake Havasu City, AZ 86403
- Practice phone
- Call (928) 854-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Surgery - Lake Havasu City
Lake Havasu City, Arizona
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. James Tseng is a general surgeon in Lake Havasu City, Arizona
Dr. Tseng practices at Southwest Surgery - Lake Havasu City in Lake Havasu City, Arizona.
Dr. Tseng's NPI, 1245463157, was assigned on August 25, 2009. Dr. Tseng graduated from Wayne State University School of Medicine in 2008. Dr. Tseng holds Arizona license 55430.
- NPI
- 1245463157NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668752114
- NPI enumeration date
- August 25, 2009
- NPI status
- Active
- Practice phone
- (928) 854-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James Tseng practices at Southwest Surgery - Lake Havasu City in Lake Havasu City, Arizona
Dr. Tseng's primary practice is Southwest Surgery - Lake Havasu City, at 1972 Mesquite Ave, Lake Havasu City, AZ 86403 in Mohave County. The practice phone is (928) 854-6500.
- Southwest Surgery - Lake Havasu City1972 Mesquite Ave, Lake Havasu City, AZ 86403 · Mohave CountyPhone(928) 854-6500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Tseng is affiliated with 4 sites of care
Dr. Tseng's primary practice is Southwest Surgery - Lake Havasu City in Lake Havasu City, Arizona. Dr. Tseng is also affiliated with Havasu Regional Medical Center. Dmand AI also links Dr. Tseng to 1 more hospital and 1 physician office, 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. James 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 |
|---|---|
| Southwest Surgery - Lake Havasu City | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Tseng is one of 617 general surgeons in Arizona
Surgery is Dr. Tseng's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Tseng's licenses on file in 2 states: Arizona and Michigan.
Specialties and state licenses
- Surgery, ArizonaPrimary
- Michigan license
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. James Tseng billed Medicare for 790 services in 2024
CMS data shows 790 Medicare services from Dr. Tseng across 16 procedure codes in 2024, for 339 Medicare patients. Medicare paid $78,929 for them.
Dr. Tseng's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5742024: 5661%
- Surgery
- 2023: 2072024: 15824%
- Other services
- 2023: 802024: 6618%
Where Dr. Tseng's Medicare services took place, 2024
- In an office34744%
- In a facility44356%
Dr. Tseng compared with the Arizona median for general surgeons, 2024
- Dr. Tseng
- Arizona median
- Medicare services
- 790vs 1624.9 times
- Medicare patients
- 339vs 1162.9 times
- Part D claims
- 93vs 313.0 times
Medians across 545 general surgeons in Arizona 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tseng and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Tseng treated 339 Medicare patients in 2024, average age 74
CMS counts 339 Medicare patients who saw Dr. Tseng in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tseng's median patient age at 68, with 47% women.
Dr. Tseng's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tseng's Medicare patients by sex, 2024
- Women15445%
- Men18555%
Chronic conditions among Dr. Tseng's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes32%
- Ischemic heart disease29%
- Atrial fibrillation27%
- Chronic kidney disease24%
- Anxiety23%
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 68
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Tseng wrote 145 Medicare Part D claims in 2024
In 2024, Dr. Tseng wrote 145 Medicare Part D claims for 98 patients. 74% of them were for generic drugs. CMS names the drug for 93 of them, across 4 drugs with 11 or more claims each, at $4,160 in total drug cost. In 2023, CMS named 126 claims across 4 drugs.
Dr. Tseng's Part D claims by kind of drug, 2024
- Generic108 claims74%
- Brand-name37 claims26%
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
- Opioids21%30 of 145 claims
- Antibiotics14%20 of 145 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: 1262024: 9326%
Drugs named by CMS: 4 in 2024, 4 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
Dr. James Tseng scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Tseng for performance year 2024, reported individually. CMS counts 50 procedures of colonoscopy by Dr. Tseng, more than 64% of the clinicians it reports for that procedure.
Dr. Tseng's MIPS scores, performance year 2024
- 95of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Tseng ranks in Medicare procedure volume
- Colonoscopy
- 64th percentile50 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 63rd percentile49 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Tseng received $21,954 in industry payments from 2016 to 2025
CMS Open Payments shows 41 general payments to Dr. Tseng from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 87% of the total. Intuitive Surgical, Inc. paid the most, $20,718.
General payments to Dr. Tseng by program year, 2016 to 2025
General payments to Dr. Tseng by kind, 2016 to 2025
- Education$19,00087%
- Travel and lodging$2,0549%
- Food and beverage$6753%
- Gifts$2241%
Companies that paid Dr. Tseng the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Tseng graduated from Wayne State University School of Medicine
Dr. Tseng graduated from Wayne State University School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James 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 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. James 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. James Tseng's NPI number?
Dr. James Tseng's NPI number is 1245463157. It was assigned on August 25, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. James Tseng?
Dr. James Tseng is a general surgeon in Lake Havasu City, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. James Tseng practice?
Dr. Tseng practices at 1972 Mesquite Ave, Lake Havasu City, AZ 86403. Dr. Tseng's primary practice is Southwest Surgery - Lake Havasu City in Lake Havasu City, Arizona. Dmand AI also links Dr. Tseng to 1 hospital and 1 physician office.
What is Dr. James Tseng's office phone number?
The practice phone on file for Dr. Tseng is (928) 854-6500.
What is Dr. James Tseng's medical license number?
Dr. Tseng holds Arizona license 55430, one of the licenses on file in 2 states.
Which states has Dr. James Tseng been licensed in?
Dmand AI has state licenses on file for Dr. Tseng in Arizona and Michigan.
Which hospitals is Dr. James Tseng affiliated with?
Dr. Tseng is affiliated with Havasu Regional Medical Center. Dmand AI links Dr. Tseng to 1 more hospital.
Does Dr. James Tseng accept Medicare?
Yes. CMS data shows Dr. Tseng billed Medicare for 790 services in 2024.
What is Dr. James Tseng's MIPS score?
Dr. Tseng's MIPS final score for performance year 2024 is 95 out of 100, reported individually.
How many Medicare patients does Dr. James Tseng see?
CMS counts 339 Medicare patients who saw Dr. Tseng in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. James Tseng bill to Medicare?
In 2024, Dr. Tseng's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and hospital inpatient care (99231).
Where did Dr. James Tseng go to medical school?
Dr. Tseng graduated from Wayne State University School of Medicine in 2008.
What drugs does Dr. James Tseng prescribe most?
In 2024 Medicare Part D data, Dr. Tseng's most prescribed drugs by claims were Suflave, Hydrocodone-Acetaminophen and Omeprazole.
Has Dr. James Tseng received payments from drug or device companies?
CMS Open Payments shows $21,954 in general payments to Dr. Tseng from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. James Tseng been practicing?
Dr. Tseng graduated from medical school in 2008, 18 years ago.
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