Amy Chuang

  • San Mateo, CA
  • Emergency medicine physician
NPI1538746995PAC ID2769842608
Medicare services, 2024
36
Medicare patients, 2024
42
Part D claims, 2024
78
MIPS score, 2024
97
Hospital affiliations
1
Practice address
222 W 39th Ave, San Mateo, CA 94403
Practice phone
Call (650) 573-2222
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

San Mateo Medical Center

Hospital · San Mateo, California

See all 3 affiliations

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Amy Chuang is an emergency medicine physician in San Mateo, California

Amy Chuang practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.

Amy Chuang's NPI, 1538746995, was assigned on March 24, 2021. Amy Chuang graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021. Amy Chuang holds California license 20A20838.

NPI and contact details
Medicare PAC ID
2769842608
NPI enumeration date
March 24, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(650) 573-2222
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Amy Chuang practices at San Mateo Medical Center in San Mateo, California

Amy Chuang's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.

Source: Dmand AI Affiliation Data

Amy Chuang is affiliated with 2 sites of care and 1 medical group

Amy Chuang's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is Vituity. Dmand AI also links Amy Chuang to 1 more skilled nursing facility, named with a free account.

See all 3 affiliations for Amy Chuang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Amy Chuang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Amy Chuang practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Mateo Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Amy Chuang is one of 7,423 emergency medicine physicians in California

Emergency medicine is Amy Chuang's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Amy Chuang is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 20A20838 · 2023 to 2027 · taxonomy 207P00000X

Emergency medicine physicians near Amy Chuang

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

Amy Chuang billed Medicare for 36 services in 2024

CMS data shows 36 Medicare services from Amy Chuang across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $4,327 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202436
Medicare patients42
Paid by Medicare$4,327
Procedure codes2

Amy Chuang compared with the California median for emergency medicine physicians, 2024

  • Amy Chuang
  • California median
Medicare services
36vs 26586% below
Medicare patients
42vs 24383% below
Part D claims
12vs 6281% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Amy Chuang'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

Amy Chuang treated 42 Medicare patients in 2024, average age 72

CMS counts 42 Medicare patients who saw Amy Chuang in 2024. The largest group is 65 to 74, with 17 patients. 74% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Amy Chuang's median patient age at 41, with 52% women.

Medicare patients, 202442
Average age72
Average risk score1.47

Amy Chuang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Amy Chuang's Medicare patients by sex, 2024

  • Women2150%
  • Men2150%

Chronic conditions among Amy Chuang's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol60%
  3. Arthritis36%
  4. Diabetes31%
  5. Ischemic heart disease29%
  6. Mood disorders29%
  7. Anxiety26%
  8. Chronic kidney disease26%

Share of Medicare patients with each condition. A patient can have several.

Amy Chuang'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

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Amy Chuang wrote 78 Medicare Part D claims in 2024

In 2024, Amy Chuang wrote 78 Medicare Part D claims for 55 patients. 95% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $155 in total drug cost.

Part D claims, 202478
Drugs named by CMS1
Total drug cost$155
Part D patients55

Amy Chuang's Part D claims by kind of drug, 2024

  • Generic74 claims95%
  • Brand-name and other4 claims5%

Amy Chuang'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 Amy Chuang's Part D claims, 2024

  • Antibiotics33%26 of 78 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Amy Chuang

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

Amy Chuang scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Amy Chuang for performance year 2024, reported as part of a group. Amy Chuang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Amy Chuang's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

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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Amy Chuang graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine

Amy Chuang graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021.

  1. Medical schoolKansas City University of Medicine and Biosciences College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Amy Chuang accepts plans from 1 insurance carrier

Amy Chuang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Amy Chuang'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Amy Chuang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Amy Chuang's NPI number?

Amy Chuang's NPI number is 1538746995. It was assigned on March 24, 2021, and it is active in the NPI Registry.

What does Amy Chuang specialize in?

Amy Chuang is an emergency medicine physician in San Mateo, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Amy Chuang practice?

Amy Chuang practices at 222 W 39th Ave, San Mateo, CA 94403. Amy Chuang's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Amy Chuang to 1 skilled nursing facility.

What is Amy Chuang's office phone number?

The practice phone on file for Amy Chuang is (650) 573-2222.

What is Amy Chuang's medical license number?

Amy Chuang holds California license 20A20838.

Which hospitals is Amy Chuang affiliated with?

Amy Chuang practices at San Mateo Medical Center in San Mateo, California.

What medical group is Amy Chuang part of?

Amy Chuang is linked to Vituity.

Does Amy Chuang accept Medicare?

Yes. CMS data shows Amy Chuang billed Medicare for 36 services in 2024, and Amy Chuang accepts Medicare assignment.

What is Amy Chuang's MIPS score?

Amy Chuang's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Amy Chuang see?

CMS counts 42 Medicare patients who saw Amy Chuang in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Amy Chuang bill to Medicare?

In 2024, Amy Chuang's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

Where did Amy Chuang go to medical school?

Amy Chuang graduated from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine in 2021.

What drugs does Amy Chuang prescribe most?

In 2024 Medicare Part D data, Amy Chuang's most prescribed drugs by claims were Cephalexin.

How long has Amy Chuang been practicing?

Amy Chuang graduated from medical school in 2021, 5 years ago.

What insurance does Amy Chuang accept?

Amy Chuang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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