Rachel Alicia Chao, PA
Physician Assistant · Stony Brook, NY
Rachel Alicia Chao, PA is a physician assistant with a practice address in Stony Brook, New York, and NPI 1548905649, issued on May 3, 2022. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rachel Alicia Chao
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 100 Nicolls Road, Stony Brook, NY 11794
- Phone
- (631) 444-1116
- Enumerated
- May 3, 2022
- Record last updated
- Sep 27, 2022
- Fax
- (631) 444-1535
- Medicare enrollment
- Enrolled (PECOS I20221114000446); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 100 Nicolls Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rachel Alicia Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York Spine And Brain Surgery, University Faculty Practice CorporatStony Brook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel Alicia Chao among 15,555 physician assistant records in New York
Rachel Alicia Chao, PA is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 23% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2022 · median 2018 among the 8,158 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
128 physician assistant records list a practice address in Stony Brook
They are 128 of the 3,053 NPPES records with a practice address in Stony Brook, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Stony Brook → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert Ansbach, R.P.A.-CStony Brook, NY 117941326041260
- Ricardo Aranguren, P.A.Stony Brook, NY 117941154357879
- Bryan Bobrowsky, P.A.Stony Brook, NY 117941720017031
- Colleen Calandra, P.A.Stony Brook, NY 117941215990593
- Scott CarterStony Brook, NY 117941730279779
- Dennis Duffy, P.A.Stony Brook, NY 117941932136447
- Karen Dybus, RPAStony Brook, NY 117941255334363
- Scott Marchini, P.A.Stony Brook, NY 117941255369401
Common questions
What is Rachel Alicia Chao, PA's NPI number?
Rachel Alicia Chao, PA's National Provider Identifier (NPI) is 1548905649, issued on May 3, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Alicia Chao, PA located?
The NPPES record lists a practice address at 100 Nicolls Road, Stony Brook, NY, 11794. Phone: (631) 444-1116. Providers update this record themselves, so call before visiting.
How can I verify Rachel Alicia Chao, PA's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Rachel Alicia Chao, PA's MIPS final score?
The 2023 MIPS final score is 98.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.