NPPES file of Aug 9, 2026

Wai Ying Chan

Nurse Practitioner · Stony Brook, NY

Wai Ying Chan is a nurse practitioner with a practice address in Stony Brook, New York, and NPI 1144066648, issued on Jul 3, 2024. Check the license (New York 406052, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144066648
Name
Wai Ying Chan
Primary taxonomy
Nurse Practitioner 363L00000X
License number
406052 NY
Self-reported in NPPES; status is on the state search
Practice location
101 Nicolls RD, Stony Brook, NY 11794
Phone
(212) 388-1268
Enumerated
Jul 3, 2024
Record last updated
Dec 11, 2024
Medicare enrollment
Enrolled (PECOS I20240816003215); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2024
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Nicolls RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arshia Aalami Harandi, MD, MSStudent in an Organized Health Care Education/Training Program1033810627
  2. Sadia Abbasi, MDInternal Medicine Physician1740442698
  3. Alan Abboud, MDStudent in an Organized Health Care Education/Training Program1891498531
  4. Verona AbdelmesehStudent in an Organized Health Care Education/Training Program1558926022
  5. Rula Abdulrahman, M.D.Nephrology Physician1790180776
  6. Dua AbedeenStudent in an Organized Health Care Education/Training Program1457153934

Verify Wai Ying Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 406052
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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82% fewer Medicare Part D claims than the average nurse practitioner in 2024

197 Medicare Part D claims for 38 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Wai Ying Chan197
  2. Specialty average1,109

Most prescribed

  1. Quetiapine Fumarate28 claims
  2. Aripiprazole16 claims
  3. Escitalopram Oxalate15 claims
  4. Mirtazapine14 claims
  5. Hydroxyzine Pamoate12 claims
  6. Hydroxyzine Hcl11 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.

Bills Medicare through one group practice

  1. Jay Lawrence Friedman MD LLCNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Wai Ying Chan among 3,097 nurse practitioner records in New York

Wai Ying Chan is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2024 · median 2017 among the 1,360 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 nurse practitioner records list a practice address in Stony Brook

They are 29 of the 3,053 NPPES records with a practice address in Stony Brook, and 3,097 nurse practitioner records in New York.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Bernadette Chaplin-Swope, AGNP-CStony Brook, NY 117941629225206
  2. Norman Cruz, NPStony Brook, NY 117941124071824
  3. Janet Difalco, N.P.Stony Brook, NY 117941356384168
  4. Nancy Foley, NPStony Brook, NY 117941780846659
  5. Antoinette Forster, N.P.Stony Brook, NY 117941851332456
  6. Patricia Hentschel, ANPStony Brook, NY 117941629094784
  7. Laura Hettrich, NPStony Brook, NY 117941659486710
  8. Jean Lewis, NPStony Brook, NY 117941982682266

Common questions

What is Wai Ying Chan's NPI number?

Wai Ying Chan's National Provider Identifier (NPI) is 1144066648, issued on Jul 3, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Wai Ying Chan located?

The NPPES record lists a practice address at 101 Nicolls RD, Stony Brook, NY, 11794. Phone: (212) 388-1268. Providers update this record themselves, so call before visiting.

How can I verify Wai Ying Chan's license?

NPPES lists New York license number 406052, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Wai Ying Chan prescribe under Medicare Part D?

In 2024, Wai Ying Chan had 197 Medicare Part D claims for 38 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.