Doctor profile · Federal record

Dr. Rachel Chao, PA

Physician Assistant · Stony Brook, NY

  • NPI 1548905649
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 Nicolls Road, Hsc T12 Rm 080
Stony Brook, NY 117948122
(631) 444-1116
fax (631) 444-1535
Additional location
1 Campus RD
Staten Island, NY 103014479
(718) 390-1300

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Profile last updated
September 27, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548905649. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
1
Medicare allowed
$1,249
HCPCS Description Services Patients Avg allowed
99282 Emergency department visit with straightforward medical decision making 30 30 $42

In context: peer comparison

Among 22 peers in Stony Brook Physician Assistant, average services per provider: 45. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rachel Chao's medical specialty?
Dr. Rachel Chao practices Physician Assistant in Stony Brook, NY.
Where does Dr. Rachel Chao practice?
Dr. Rachel Chao practices at 100 Nicolls Road, Stony Brook, NY 117948122. Office phone: 6314441116.
What is Dr. Rachel Chao's NPI?
Dr. Rachel Chao's National Provider Identifier (NPI) is 1548905649, issued by NPPES.
Does Dr. Rachel Chao accept Medicare assignment?
Yes. Dr. Rachel Chao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Chao commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with straightforward medical decision making (HCPCS 99282). Source: CMS Medicare Physician & Other Practitioners file.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 14, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›