Dr. Steven Yann Shiuh Chen, MD
- Medicare services, 2024
- 807
- Medicare patients, 2024
- 476
- Part D claims, 2024
- 253
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Practice address
- 438 W Las Tunas Drive, San Gabriel, CA 91776
- Practice phone
- Call (626) 289-5454
- 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
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. Steven Yann Shiuh Chen is an emergency medicine physician in San Gabriel, California
Dr. Chen practices at AHMC San Gabriel Valley Medical Center in San Gabriel, California, part of AHMC Healthcare.
Dr. Chen's NPI, 1386201259, was assigned on May 24, 2019. Dr. Chen graduated from University Of Cincinnati College Of Medicine in 2019. Dr. Chen holds California license A177328.
- NPI
- 1386201259NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254711120
- NPI enumeration date
- May 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 289-5454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Yann Shiuh Chen practices at AHMC San Gabriel Valley Medical Center in San Gabriel, California
Dr. Chen's primary practice is AHMC San Gabriel Valley Medical Center, at 438 W Las Tunas Drive, San Gabriel, CA 91776 in Los Angeles County. The practice phone is (626) 289-5454.
- AHMC San Gabriel Valley Medical Center438 W Las Tunas Drive, San Gabriel, CA 91776 · Los Angeles CountyPhone(626) 289-5454
Source: Dmand AI Affiliation Data
Dr. Steven Yann Shiuh Chen is affiliated with 3 sites of care and 5 medical groups
Dr. Chen's primary practice is AHMC San Gabriel Valley Medical Center in San Gabriel, California, part of AHMC Healthcare. Dr. Chen is also affiliated with Alhambra Hospital Medical Center. The medical group on file is Shen Medical Group. Dmand AI also links Dr. Chen to 1 more hospital and 4 medical groups, 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. Steven Yann Shiuh Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AHMC San Gabriel Valley Medical Center | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across AHMC Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven Yann Shiuh Chen is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chen is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Chen's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Pennsylvania license
Emergency medicine physicians near Dr. Chen
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. Steven Yann Shiuh Chen billed Medicare for 807 services in 2024
CMS data shows 807 Medicare services from Dr. Chen across 5 procedure codes in 2024, for 476 Medicare patients. Medicare paid $62,908 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: 5182024: 4954%
- Tests and treatments
- 2023: 3422024: 3129%
Dr. Chen compared with the California median for emergency medicine physicians, 2024
- Dr. Chen
- California median
- Medicare services
- 807vs 2653.0 times
- Medicare patients
- 476vs 24396% above
- Part D claims
- 176vs 622.8 times
Medians across 7,079 emergency medicine physicians 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.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen 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. Steven Yann Shiuh Chen treated 476 Medicare patients in 2024, average age 77
CMS counts 476 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 152 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.59, 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 47, with 56% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women26055%
- Men21645%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes58%
- Ischemic heart disease55%
- Chronic kidney disease46%
- Heart failure39%
- Mood disorders39%
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 47
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven Yann Shiuh Chen wrote 253 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 253 Medicare Part D claims for 205 patients. 94% of them were for generic drugs. CMS names the drug for 176 of them, across 9 drugs with 11 or more claims each, at $823 in total drug cost. In 2023, CMS named 138 claims across 8 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic238 claims94%
- Brand-name and other15 claims6%
Dr. Chen'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. Chen's Part D claims, 2024
- Antibiotics48%122 of 253 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: 1382024: 17628%
Drugs named by CMS: 9 in 2024, 8 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. Steven Yann Shiuh Chen scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 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
- 100of 100Final score
- 82.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Steven Yann Shiuh Chen received $289 in industry payments from 2022 to 2025
CMS Open Payments shows 8 general payments to Dr. Chen from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $153.
General payments to Dr. Chen by program year, 2022 to 2025
Companies that paid Dr. Chen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Yann Shiuh Chen graduated from University Of Cincinnati College Of Medicine
Dr. Chen graduated from University Of Cincinnati College Of Medicine in 2019.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Steven Yann Shiuh Chen accepts plans from 2 insurance carriers
Dr. Chen is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven Yann Shiuh 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) |
| 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. Steven Yann Shiuh 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. Steven Yann Shiuh Chen's NPI number?
Dr. Steven Yann Shiuh Chen's NPI number is 1386201259. It was assigned on May 24, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Yann Shiuh Chen?
Dr. Steven Yann Shiuh Chen is an emergency medicine physician in San Gabriel, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Steven Yann Shiuh Chen practice?
Dr. Chen practices at 438 W Las Tunas Drive, San Gabriel, CA 91776. Dr. Chen's primary practice is AHMC San Gabriel Valley Medical Center in San Gabriel, California, part of AHMC Healthcare. Dmand AI also links Dr. Chen to 1 hospital and 4 medical groups.
What is Dr. Steven Yann Shiuh Chen's office phone number?
The practice phone on file for Dr. Chen is (626) 289-5454.
What is Dr. Steven Yann Shiuh Chen's medical license number?
Dr. Chen holds California license A177328, one of the licenses on file in 2 states.
Which states has Dr. Steven Yann Shiuh Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2022 to 2026) and Pennsylvania (2021).
Which hospitals is Dr. Steven Yann Shiuh Chen affiliated with?
Dr. Chen practices at AHMC San Gabriel Valley Medical Center in San Gabriel, California. Dr. Chen is also affiliated with Alhambra Hospital Medical Center. Dmand AI links Dr. Chen to 1 more hospital.
What medical group is Dr. Steven Yann Shiuh Chen part of?
Dr. Chen is linked to Shen Medical Group. Dmand AI links Dr. Chen to 4 more medical groups.
Does Dr. Steven Yann Shiuh Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 807 services in 2024, and Dr. Chen accepts Medicare assignment.
What is Dr. Steven Yann Shiuh Chen's MIPS score?
Dr. Chen's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Steven Yann Shiuh Chen see?
CMS counts 476 Medicare patients who saw Dr. Chen in 2024, with an average age of 77.
Is Dr. Steven Yann Shiuh Chen board certified?
Yes. Dr. Chen is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Steven Yann Shiuh Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Steven Yann Shiuh Chen go to medical school?
Dr. Chen graduated from University Of Cincinnati College Of Medicine in 2019.
What drugs does Dr. Steven Yann Shiuh Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Meclizine HCl.
Has Dr. Steven Yann Shiuh Chen received payments from drug or device companies?
CMS Open Payments shows $289 in general payments to Dr. Chen from 2 companies from 2022 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Steven Yann Shiuh Chen been practicing?
Dr. Chen graduated from medical school in 2019, 7 years ago.
What insurance does Dr. Steven Yann Shiuh Chen accept?
Dr. Chen is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card