Kerry Williamson, FNP-BC
Family Nurse Practitioner · Bay Shore, NY
Kerry Williamson, FNP-BC is a family nurse practitioner with a practice address in Bay Shore, New York, and NPI 1124793625, issued on Aug 16, 2021. Check the license (New York 347882, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kerry Williamson
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 347882 NY
Self-reported in NPPES; status is on the state search - Practice location
- 370 E Main St, Bay Shore, NY 11706
- Phone
- (631) 224-4200
- Enumerated
- Aug 16, 2021
- Record last updated
- Aug 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211217001377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 370 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kerry Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 347882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
187 Medicare Part D claims for 69 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Clotrimazole-Betamethasone33 claims
- Nystatin25 claims
- Estradiol20 claims
- Fluconazole12 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 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).
Industry payments in 2024: $21.71
1 payment: food and beverage; the largest payer was CooperSurgical, Inc. The 99,489 providers of this specialty with any payment received $650.95 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 one group practice
- North Shore-Lij Medical PCBay Shore, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kerry Williamson among 14,805 family nurse practitioner records in New York
Kerry Williamson, FNP-BC is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 30% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2021 · median 2019 among the 7,239 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 family nurse practitioner records list a practice address in Bay Shore
They are 44 of the 1,931 NPPES records with a practice address in Bay Shore, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Bay Shore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Argentine BelfortBay Shore, NY 117061407366818
- Christy DefournoyBay Shore, NY 117061134408602
- Yeon Elebiary, FNPBay Shore, NY 117061487064424
- Christine Fanelli, NPBay Shore, NY 117061689632622
- Andrea Flannery, FNPBay Shore, NY 117061679586481
- Debra Hartnett, NPBay Shore, NY 117061497975957
- Jasmine Helvetius-PhilippeBay Shore, NY 117061457692469
- Carly Jean-Lys, FNPBay Shore, NY 117061326538026
Common questions
What is Kerry Williamson, FNP-BC's NPI number?
Kerry Williamson, FNP-BC's National Provider Identifier (NPI) is 1124793625, issued on Aug 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kerry Williamson, FNP-BC located?
The NPPES record lists a practice address at 370 E Main St, Bay Shore, NY, 11706. Phone: (631) 224-4200. Providers update this record themselves, so call before visiting.
How can I verify Kerry Williamson, FNP-BC's license?
NPPES lists New York license number 347882, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Kerry Williamson, FNP-BC prescribe under Medicare Part D?
In 2024, Kerry Williamson, FNP-BC had 187 Medicare Part D claims for 69 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Kerry Williamson, FNP-BC's MIPS final score?
The 2023 MIPS final score is 91.3 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.