Dr. Angela En-Tzu Chen, MD
- Medicare services, 2024
- 20
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 19
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen's professional email, personal email and mobile number
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Dr. Angela En-Tzu Chen is a general surgeon in San Jose, California
Dr. Chen practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Chen's NPI, 1720003791, was assigned on July 12, 2006. Dr. Chen graduated from OU College of Medicine in 2001. Dr. Chen's California license number on file is A95612.
- NPI
- 1720003791NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446257943
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Angela En-Tzu Chen practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Chen's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Angela En-Tzu Chen is affiliated with 2 sites of care and 1 medical group
Dr. Chen's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Chen to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Angela En-Tzu Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | 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. Angela En-Tzu Chen is one of 2,926 general surgeons in California
Surgery is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Chen is board certified in surgery by the American Board of Surgery. Dr. Chen has a license on file in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists abdominal hernia repair surgery, appendectomy, colon removal, gallbladder removal and mastectomy among the conditions Dr. Chen treats.
General surgeons near Dr. Chen
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. Angela En-Tzu Chen billed Medicare for 20 services in 2024
CMS data shows 20 Medicare services from Dr. Chen across 1 procedure code in 2024, for 51 Medicare patients. Medicare paid $848 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 2053%
Dr. Chen compared with the California median for general surgeons, 2024
- Dr. Chen
- California median
- Medicare services
- 20vs 16688% below
- Medicare patients
- 51vs 12158% below
- Part D claims
- 13vs 3462% below
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Chen'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Angela En-Tzu Chen treated 51 Medicare patients in 2024, average age 69
CMS counts 51 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 67, with 45% women.
Dr. Chen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chen's Medicare patients by sex, 2024
- Women2855%
- Men2345%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis53%
- Diabetes53%
- Anxiety43%
- Ischemic heart disease43%
- Mood disorders43%
- Chronic kidney disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Angela En-Tzu Chen wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 19 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $106 in total drug cost. In 2016, CMS named 20 claims across 1 drug.
Dr. Chen's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 202017: 1335%
Drugs named by CMS: 1 in 2017, 1 in 2016.
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. Angela En-Tzu Chen scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Chen for performance year 2024, reported as part of a group. Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chen's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); 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. Angela En-Tzu Chen received $2,799 in industry payments from 2017 to 2024
CMS Open Payments shows 9 general payments to Dr. Chen from 4 drug and device companies from 2017 to 2024. Education make up the largest share, 89% of the total. Intuitive Surgical, Inc. paid the most, $2,545.
General payments to Dr. Chen by program year, 2017 to 2024
General payments to Dr. Chen by kind, 2017 to 2024
- Education$2,50089%
- Food and beverage$29911%
Companies that paid Dr. Chen the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Angela En-Tzu Chen has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chen.
Awards and honors for Dr. Chen
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Angela En-Tzu Chen graduated from OU College of Medicine
Dr. Chen graduated from OU College of Medicine in 2001.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Angela En-Tzu Chen accepts plans from 3 insurance carriers
Dr. Chen is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Chen accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- PPO2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Angela En-Tzu Chen'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 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)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) |
| 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. Angela En-Tzu Chen
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. Angela En-Tzu Chen's NPI number?
Dr. Angela En-Tzu Chen's NPI number is 1720003791. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Angela En-Tzu Chen?
Dr. Angela En-Tzu Chen is a general surgeon in San Jose, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Angela En-Tzu Chen practice?
Dr. Chen practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Chen's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Chen to 1 community health center.
What is Dr. Angela En-Tzu Chen's office phone number?
The practice phone on file for Dr. Chen is (408) 885-5000.
What is Dr. Angela En-Tzu Chen's medical license number?
Dr. Chen's California license number on file is A95612.
Which hospitals is Dr. Angela En-Tzu Chen affiliated with?
Dr. Chen practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Angela En-Tzu Chen part of?
Dr. Chen is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Does Dr. Angela En-Tzu Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 20 services in 2024, and Dr. Chen accepts Medicare assignment.
What is Dr. Angela En-Tzu Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Angela En-Tzu Chen see?
CMS counts 51 Medicare patients who saw Dr. Chen in 2024, with an average age of 69.
Show 7 more questionsShow fewer questions
Is Dr. Angela En-Tzu Chen board certified?
Yes. Dr. Chen is board certified in surgery by the American Board of Surgery.
What services does Dr. Angela En-Tzu Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Angela En-Tzu Chen go to medical school?
Dr. Chen graduated from OU College of Medicine in 2001.
What drugs does Dr. Angela En-Tzu Chen prescribe most?
In 2017 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Angela En-Tzu Chen received payments from drug or device companies?
CMS Open Payments shows $2,799 in general payments to Dr. Chen from 4 companies from 2017 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Angela En-Tzu Chen been practicing?
Dr. Chen graduated from medical school in 2001, 25 years ago.
What insurance does Dr. Angela En-Tzu Chen accept?
Dr. Chen is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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