Priscilla Chao, MD
Emergency Medicine Physician · Alhambra, CA
Priscilla Chao, MD is an emergency medicine physician with a practice address in Alhambra, California, and NPI 1487186425, issued on Mar 29, 2017. Check the license (California A172385, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Priscilla Chao
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A172385 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 S Raymond Ave, Alhambra, CA 91801
- Phone
- (626) 570-1606
- Enumerated
- Mar 29, 2017
- Record last updated
- Jun 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210714002687); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 100 S Raymond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omid AsherianPharmacist1588390397
- Aaron Barro, PA-CPhysician Assistant1255054789
- Shirley Chang, NP-CFamily Nurse Practitioner1841841343
- Chun Chen, M.D.Anesthesiology Physician1083620934
- Nan Chen, M.D.Internal Medicine Physician1174750897
- Tammy Chen, NP-CFamily Nurse Practitioner1174019095
Verify Priscilla Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A172385Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average emergency medicine physician in 2024
145 Medicare Part D claims for 98 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Cephalexin18 claims
- Ondansetron Odt12 claims
- Loperamide11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $34.99
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Andy Shen MD IncAlhambra, CA
- Emergency Physicians OF San Gabriel ValleySan Gabriel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Priscilla Chao among 7,751 emergency medicine physician records in California
Priscilla Chao, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.
- NPI issued2017 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2013 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Alhambra → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Edward Hernandez, M.D.Alhambra, CA 918011386710150
- Elmo Orlino, M.D.Alhambra, CA 918011427197813
- Andrew Shen, M.D.Alhambra, CA 918011851469209
- Anthony Tjio, M.D.Alhambra, CA 918011063580280
- Saima Zubair, M.D.Alhambra, CA 918011750594230
- Laith Alreshaid, MDAlhambra, CA 918031730529694
- Anise Kevakian, PA-CAlhambra, CA 918031811621006
- Andy Hsu, M.D.West Covina, CA 917921346282340
Common questions
What is Priscilla Chao, MD's NPI number?
Priscilla Chao, MD's National Provider Identifier (NPI) is 1487186425, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Priscilla Chao, MD located?
The NPPES record lists a practice address at 100 S Raymond Ave, Alhambra, CA, 91801. Phone: (626) 570-1606. Providers update this record themselves, so call before visiting.
How can I verify Priscilla Chao, MD's license?
NPPES lists California license number A172385, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Priscilla Chao, MD prescribe under Medicare Part D?
In 2024, Priscilla Chao, MD had 145 Medicare Part D claims for 98 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.