Dr. Priscilla Debrath Lili Chao, MD
- Medicare services, 2024
- 360
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 145
- Hospital affiliations
- 3
- Industry payments
- $480
- Practice address
- 100 S Raymond Ave, Alhambra, CA 91801
- Practice phone
- Call (626) 570-1606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chao's professional email, personal email and mobile number
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Dr. Priscilla Debrath Lili Chao is an emergency medicine physician in Alhambra, California
Dr. Chao practices at Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare.
Dr. Chao's NPI, 1487186425, was assigned on March 29, 2017. Dr. Chao graduated from Rush Medical College of Rush University in 2013. Dr. Chao holds California license A172385.
- NPI
- 1487186425NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911309877
- NPI enumeration date
- March 29, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 570-1606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Priscilla Debrath Lili Chao practices at Alhambra Hospital Medical Center in Alhambra, California
Dr. Chao's primary practice is Alhambra Hospital Medical Center, at 100 S Raymond Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 570-1606.
- Alhambra Hospital Medical Center100 S Raymond Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 570-1606
Source: Dmand AI Affiliation Data
Dr. Priscilla Debrath Lili Chao is affiliated with 4 sites of care and 3 medical groups
Dr. Chao's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dr. Chao is also affiliated with AHMC San Gabriel Valley Medical Center. The medical group on file is Shen Medical Group. Dmand AI also links Dr. Chao to 1 more hospital, 2 medical groups and 1 skilled nursing facility, 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. Priscilla Debrath Lili Chao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chao practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alhambra Hospital Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Priscilla Debrath Lili Chao is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Chao's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Chao is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Chao
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. Priscilla Debrath Lili Chao billed Medicare for 360 services in 2024
CMS data shows 360 Medicare services from Dr. Chao across 4 procedure codes in 2024, for 220 Medicare patients. Medicare paid $29,312 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chao's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1932024: 21511%
- Tests and treatments
- 2023: 742024: 14596%
Dr. Chao compared with the California median for emergency medicine physicians, 2024
- Dr. Chao
- California median
- Medicare services
- 360vs 26536% above
- Medicare patients
- 220vs 2439% below
- Part D claims
- 41vs 6234% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Chao'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. Chao 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. Priscilla Debrath Lili Chao treated 220 Medicare patients in 2024, average age 75
CMS counts 220 Medicare patients who saw Dr. Chao in 2024. The largest group is 85 and over, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 82% are also on Medicaid. Their average risk score is 2.88, 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. Chao's median patient age at 42, with 54% women.
Dr. Chao's Medicare patients by age, 2024
Dr. Chao's Medicare patients by sex, 2024
- Women13360%
- Men8740%
Chronic conditions among Dr. Chao's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Arthritis55%
- Chronic kidney disease53%
- Ischemic heart disease49%
- Alzheimer's and dementia45%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Priscilla Debrath Lili Chao wrote 145 Medicare Part D claims in 2024
In 2024, Dr. Chao wrote 145 Medicare Part D claims for 98 patients. 90% of them were for generic drugs. CMS names the drug for 41 of them, across 3 drugs with 11 or more claims each, at $191 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Dr. Chao's Part D claims by kind of drug, 2024
- Generic130 claims90%
- Brand-name15 claims10%
Dr. Chao'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. Chao's Part D claims, 2024
- Antibiotics37%53 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: 202024: 41105%
Drugs named by CMS: 3 in 2024, 1 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
How Dr. Priscilla Debrath Lili Chao takes part in Medicare
Dr. Chao accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Priscilla Debrath Lili Chao received $480 in industry payments from 2021 to 2025
CMS Open Payments shows 17 general payments to Dr. Chao from 2 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $344.
General payments to Dr. Chao by program year, 2021 to 2025
Companies that paid Dr. Chao the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Priscilla Debrath Lili Chao graduated from Rush Medical College of Rush University
Dr. Chao graduated from Rush Medical College of Rush University in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Priscilla Debrath Lili Chao'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) |
| 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. Priscilla Debrath Lili Chao
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. Priscilla Debrath Lili Chao's NPI number?
Dr. Priscilla Debrath Lili Chao's NPI number is 1487186425. It was assigned on March 29, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Priscilla Debrath Lili Chao?
Dr. Priscilla Debrath Lili Chao is an emergency medicine physician in Alhambra, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Priscilla Debrath Lili Chao practice?
Dr. Chao practices at 100 S Raymond Ave, Alhambra, CA 91801. Dr. Chao's primary practice is Alhambra Hospital Medical Center in Alhambra, California, part of AHMC Healthcare. Dmand AI also links Dr. Chao to 1 hospital, 2 medical groups and 1 skilled nursing facility.
What is Dr. Priscilla Debrath Lili Chao's office phone number?
The practice phone on file for Dr. Chao is (626) 570-1606.
What is Dr. Priscilla Debrath Lili Chao's medical license number?
Dr. Chao holds California license A172385.
Which hospitals is Dr. Priscilla Debrath Lili Chao affiliated with?
Dr. Chao practices at Alhambra Hospital Medical Center in Alhambra, California. Dr. Chao is also affiliated with AHMC San Gabriel Valley Medical Center. Dmand AI links Dr. Chao to 1 more hospital.
What medical group is Dr. Priscilla Debrath Lili Chao part of?
Dr. Chao is linked to Shen Medical Group. Dmand AI links Dr. Chao to 2 more medical groups.
Does Dr. Priscilla Debrath Lili Chao accept Medicare?
Yes. CMS data shows Dr. Chao billed Medicare for 360 services in 2024, and Dr. Chao accepts Medicare assignment.
How many Medicare patients does Dr. Priscilla Debrath Lili Chao see?
CMS counts 220 Medicare patients who saw Dr. Chao in 2024, with an average age of 75.
What services does Dr. Priscilla Debrath Lili Chao bill to Medicare?
In 2024, Dr. Chao's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. Priscilla Debrath Lili Chao go to medical school?
Dr. Chao graduated from Rush Medical College of Rush University in 2013.
What drugs does Dr. Priscilla Debrath Lili Chao prescribe most?
In 2024 Medicare Part D data, Dr. Chao's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Loperamide.
Has Dr. Priscilla Debrath Lili Chao received payments from drug or device companies?
CMS Open Payments shows $480 in general payments to Dr. Chao from 2 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Priscilla Debrath Lili Chao been practicing?
Dr. Chao graduated from medical school in 2013, 13 years ago.
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