Alessandra Williamson, ARNP
Family Nurse Practitioner · Port St Lucie, FL
Alessandra Williamson, ARNP is a family nurse practitioner with a practice address in Port St Lucie, Florida, and NPI 1831511955, issued on Jan 8, 2014. Check the license (Florida ARNP9364669, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Alessandra Williamson
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- ARNP9364669 FL
Self-reported in NPPES; status is on the state search - Practice location
- 672 SW Prima Vista Blvd, Port St Lucie, FL 34983
- Phone
- (772) 905-2560
- Enumerated
- Jan 8, 2014
- Record last updated
- Jul 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (772) 336-8341
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 22,340 in Florida → Look up another NPI →
Also registered at 672 SW Prima Vista Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Osiel Vallejo, M.D.Family Medicine Physician1811928666
Verify Alessandra Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ARNP9364669Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
163 Medicare Part D claims for 52 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Montelukast Sodium26 claims
- Prednisone20 claims
- Trelegy Ellipta20 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.
Industry payments in 2024: $658.19
27 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
Alessandra Williamson among 22,340 family nurse practitioner records in Florida
Alessandra Williamson, ARNP is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 17% of them.
- NPI issued2014 · 17% of these records are older, 79% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2015 · 34% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 family nurse practitioner records list a practice address in Port St Lucie
They are 114 of the 2,403 NPPES records with a practice address in Port St Lucie, and 22,340 family nurse practitioner records in Florida.
All 22,340 in Florida → Every provider in Port St Lucie → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Holly AldrichPort Saint Lucie, FL 349831770201808
- Jimmy Dorival, APRNPort St Lucie, FL 349831114372596
- Robert EppersonPort Saint Lucie, FL 349831417690132
- Sarah Frazier, ARNPPort Saint Lucie, FL 349831386159572
- Tricia Goulet, APRNPort St Lucie, FL 349831306108352
- Joanne Hotchkiss, ARNPPort St Lucie, FL 349831861643363
- Christina Locke-McDonald, APRNPort St Lucie, FL 349831073398285
- Teresa Martinez, NP-CPort Saint Lucie, FL 349831740455328
Common questions
What is Alessandra Williamson, ARNP's NPI number?
Alessandra Williamson, ARNP's National Provider Identifier (NPI) is 1831511955, issued on Jan 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Alessandra Williamson, ARNP located?
The NPPES record lists a practice address at 672 SW Prima Vista Blvd, Port St Lucie, FL, 34983. Phone: (772) 905-2560. Providers update this record themselves, so call before visiting.
How can I verify Alessandra Williamson, ARNP's license?
NPPES lists Florida license number ARNP9364669, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alessandra Williamson, ARNP prescribe under Medicare Part D?
In 2024, Alessandra Williamson, ARNP had 163 Medicare Part D claims for 52 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.