Emily S. Chien
- Medicare services, 2024
- 46
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 30
- Publications
- 1
- MIPS score, 2024
- 100
- Practice address
- 2500 Merced Street, San Leandro, CA 94577
- Practice phone
- Call (510) 454-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Emily Chien's professional email, personal email and mobile number
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Emily S. Chien is an emergency medicine physician in San Leandro, California
Emily Chien practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.
Emily Chien's NPI, 1548750474, was assigned on May 16, 2018. Emily Chien graduated from David Geffen School of Medicine at UCLA in 2018. Emily Chien holds California license 197687.
- NPI
- 1548750474NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911380068
- NPI enumeration date
- May 16, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 454-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Emily S. Chien practices at San Leandro Medical Center in San Leandro, California
Emily Chien's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.
- San Leandro Medical Center2500 Merced Street, San Leandro, CA 94577 · Alameda CountyPhone(510) 454-1000
Source: Dmand AI Affiliation Data
Emily S. Chien is affiliated with 1 site of care and 2 medical groups
Emily Chien's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Emily Chien to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Emily S. Chien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emily Chien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Leandro Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Emily S. Chien is one of 7,423 emergency medicine physicians in California
Emergency medicine is Emily Chien's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Emily Chien is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Emily Chien's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- New York license
Emergency medicine physicians near Emily Chien
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
Emily S. Chien billed Medicare for 46 services in 2024
CMS data shows 46 Medicare services from Emily Chien across 2 procedure codes in 2024, for 58 Medicare patients. Medicare paid $5,947 for them. Every service was in a facility, such as a hospital, rather than an office.
Emily Chien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1002024: 4654%
Emily Chien compared with the California median for emergency medicine physicians, 2024
- Emily Chien
- California median
- Medicare services
- 46vs 26583% below
- Medicare patients
- 58vs 24376% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Emily Chien'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 Emily Chien?
Medicare shows one payer. Book a meeting to get commercial claims data for Emily Chien and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Emily S. Chien treated 58 Medicare patients in 2024, average age 75
CMS counts 58 Medicare patients who saw Emily Chien in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Emily Chien's median patient age at 41, with 59% women.
Emily Chien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Emily Chien's Medicare patients by sex, 2024
- Women3153%
- Men2747%
Chronic conditions among Emily Chien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes48%
- Ischemic heart disease43%
- Chronic kidney disease40%
- Anxiety38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Emily Chien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Emily S. Chien wrote 30 Medicare Part D claims in 2024
In 2024, Emily Chien wrote 30 Medicare Part D claims for 25 patients. 93% of them were for generic drugs.
Emily Chien's Part D claims by kind of drug, 2024
- Generic28 claims93%
- Brand-name and other2 claims7%
Drug classes CMS tracks in Emily Chien's Part D claims, 2024
- Antibiotics43%13 of 30 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Emily S. Chien 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 Emily Chien for performance year 2024, reported through an alternative payment model (APM). Emily Chien accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Emily Chien's MIPS scores, performance year 2024
- 100of 100Final score
- 85.3of 100Quality
- 100of 100Promoting Interoperability
- 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
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Emily S. Chien has 1 publication on record
Dmand AI links 1 paper to Emily Chien in 2021. Emily Chien's most frequent co-authors are Julia Marie Dixon, MD and Teri Reynolds, MD.
Emily Chien's most frequent co-authors
Recent publications by Emily Chien
See who Emily Chien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Emily Chien works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Emily S. Chien graduated from David Geffen School of Medicine at UCLA
Emily Chien graduated from David Geffen School of Medicine at UCLA in 2018.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Emily S. Chien accepts plans from 4 insurance carriers
Emily Chien is in network with 4 carriers, including Kaiser Permanente, MVP Health Care and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Kaiser Permanente
- MVP Health Care
- CMS Medicare
- NY State Medicaid
Plan types Emily Chien accepts, by number of carriers
- EPO2
- HMO1
- Medicaid1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Emily S. Chien'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Emily S. Chien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Emily S. Chien's NPI number?
Emily S. Chien's NPI number is 1548750474. It was assigned on May 16, 2018, and it is active in the NPI Registry.
What does Emily S. Chien specialize in?
Emily S. Chien is an emergency medicine physician in San Leandro, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Emily S. Chien practice?
Emily Chien practices at 2500 Merced Street, San Leandro, CA 94577. Emily Chien's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. Dmand AI also links Emily Chien to 1 medical group.
What is Emily S. Chien's office phone number?
The practice phone on file for Emily Chien is (510) 454-1000.
What is Emily S. Chien's medical license number?
Emily Chien holds California license 197687, one of the licenses on file in 2 states.
Which states has Emily S. Chien been licensed in?
Dmand AI has state licenses on file for Emily Chien in California (2024 to 2026) and New York (2022 to 2025).
Which hospitals is Emily S. Chien affiliated with?
Emily Chien practices at San Leandro Medical Center in San Leandro, California.
What medical group is Emily S. Chien part of?
Emily Chien is linked to The Permanente Medical Group, Inc. Dmand AI links Emily Chien to 1 more medical group.
Does Emily S. Chien accept Medicare?
Yes. CMS data shows Emily Chien billed Medicare for 46 services in 2024, and Emily Chien accepts Medicare assignment.
What is Emily S. Chien's MIPS score?
Emily Chien's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Emily S. Chien see?
CMS counts 58 Medicare patients who saw Emily Chien in 2024, with an average age of 75.
Is Emily S. Chien board certified?
Yes. Emily Chien is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Emily S. Chien bill to Medicare?
In 2024, Emily Chien's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Emily S. Chien go to medical school?
Emily Chien graduated from David Geffen School of Medicine at UCLA in 2018.
How long has Emily S. Chien been practicing?
Emily Chien graduated from medical school in 2018, 8 years ago.
Does Emily S. Chien do research?
Dmand AI links 1 publication to Emily Chien.
Who does Emily S. Chien publish with?
Emily Chien's most frequent co-authors are Julia Marie Dixon, MD (1 shared paper) and Teri Reynolds, MD (1 shared paper).
What insurance does Emily S. Chien accept?
Emily Chien is in network with 4 carriers, including Kaiser Permanente, MVP Health Care and CMS Medicare. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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