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RACHEL ALICIA CHAO PA
NPI 1548905649
Physician Assistant in Stony Brook, NY

Active since May 03, 2022PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
100 NICOLLS ROAD, HSC T12 RM 080, STONY BROOK, NY 11794(631) 444-1116(631) 444-1535 Get Directions Write a Review

NPPES record last updated: September 27, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 27, 2022, May 3, 2022 (2 updates tracked since 2022).

About Rachel Alicia Chao Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RACHEL ALICIA CHAO PA (NPI 1548905649) is an individual physician assistant in Stony Brook, New York and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1548905649
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameRACHEL ALICIA CHAOCredential: PA
Location Address100 NICOLLS ROAD, HSC T12 RM 080Stony Brook, NY 11794-8122
Mailing Address100 Nicolls Road, Hsc T12 Rm 080Stony Brook, NY 11794-8122 · (631) 444-1116 · Fax (631) 444-1535
Phone(631) 444-1116
Fax(631) 444-1535
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 3, 2022
Last NPPES UpdateSeptember 27, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2022
✔ NPI 1548905649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
100 NICOLLS ROAD, Stony Brook, NY 11794
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rachel Alicia Chao Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183091630
PECOS Enrollment IDI20221114000446
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
30 services29 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEBORAH SALVATORE RD
Dietitian, Registered (Nutrition, Pediatric)
100 NICOLLS ROAD, AMB, L5, STE 7
STONY BROOK, NY 11794
Suffolk County (631) 444-8115
DR. DANIEL EDWARD BREZINA MD
Anesthesiology
100 NICOLLS ROAD, STONY BROOK MEDICAL CENTER, DEPT. OF ANESTHESIOLOGY
STONY BROOK, NY 11794
Suffolk County (631) 444-2975
MR. SEBASTIAN GALOFARO JR. NP
Nurse Practitioner (Family)
100 NICOLLS ROAD, HSC T12-080 SUNY STONY BROOK/NEUROSURGERY
STONY BROOK, NY 11794
Suffolk County (631) 444-1116
JATAYA WRIGHT LCSW
Social Worker (Clinical)
100 NICOLLS ROAD
STONY BROOK, NY 11794
Suffolk County (631) 504-0109
MARITZA SIERRA PA-C
Physician Assistant
100 NICOLLS ROAD, HSC T12 RM 080
STONY BROOK, NY 11794
Suffolk County (631) 444-1116
DOROTHY LANE M.D.
Preventive Medicine (Public Health & General Preventive Medicine)
100 NICOLLS ROAD, HSC, L3, RM 086
STONY BROOK, NY 11794
Suffolk County (631) 444-2197
DR. ADIL SATTAR M.D.,
Internal Medicine (Interventional Cardiology)
100 NICOLLS ROAD, CARDIOLOGY, HSC T16-080
STONY BROOK, NY 11794
Suffolk County (631) 444-1060
DR. SHERENE SAMU PHARM.D.
Pharmacist
100 NICOLLS ROAD, STONY BROOK UNIVERSITY MEDICAL CENTER, PHARMACY DEPT
STONY BROOK, NY 11794
Suffolk County (631) 444-7744

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rachel Chao's NPI number?

The NPI number for Rachel Chao is 1548905649. It was assigned to this individual provider in the NPPES registry on May 3, 2022.

Where is Rachel Chao located?

Rachel Chao practices at 100 Nicolls Road Hsc T12 Rm 080, Stony Brook, NY 11794. The listed phone number is (631) 444-1116.

What is Rachel Chao's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Rachel Chao enrolled in Medicare?

Yes. Rachel Chao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Rachel Chao affiliated with any hospitals?

According to CMS data, Rachel Chao is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Rachel Chao was last updated on September 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.