NPPES file of Aug 9, 2026

Joan Williamson

Family Nurse Practitioner · Atlantis, FL

Joan Williamson is a family nurse practitioner with a practice address in Atlantis, Florida, and NPI 1578930285, issued on Aug 28, 2015. Check the license (Florida ARNP 9198650, as entered in NPPES) on the Florida health license search; 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
1578930285
Name
Joan Williamson
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
ARNP 9198650 FL
Self-reported in NPPES; status is on the state search
Practice location
5301 S Congress Ave, Atlantis, FL 33462
Phone
(561) 358-1722
Enumerated
Aug 28, 2015
Record last updated
Feb 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151029002258); may accept Medicare assignment
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 5301 S Congress Ave

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

  1. Rami Abaza, M.D.Student in an Organized Health Care Education/Training Program1962329383
  2. Feza AbbasStudent in an Organized Health Care Education/Training Program1871397299
  3. Michael Agatstein, D.O.Hospitalist Physician1730543638
  4. Gerardo Aguirre, MDInternal Medicine Physician1346231727
  5. Jorge Ahues, MDStudent in an Organized Health Care Education/Training Program1750743407
  6. Ishmam Alam, MDInternal Medicine Physician1427750488

Verify Joan Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ARNP 9198650
    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
Open the Florida 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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63% more Medicare Part D claims than the average family nurse practitioner in 2024

2,121 Medicare Part D claims for 110 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 22 claims were for opioids.

  1. Joan Williamson2,121
  2. Specialty average1,305

Most prescribed

  1. Amlodipine Besylate81 claims
  2. Losartan Potassium75 claims
  3. Atorvastatin Calcium73 claims
  4. Trazodone Hcl57 claims
  5. Rosuvastatin Calcium56 claims
  6. Famotidine45 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: $602.79

10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Joan Williamson$602.79
  2. Specialty average$650.95

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

  1. Total Care Medical Centers LLCBoynton Beach, FL

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

Joan Williamson among 22,340 family nurse practitioner records in Florida

Joan Williamson 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 2015, is newer than 21% of them.

  • NPI issued2015 · 21% of these records are older, 76% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2015 · median 2020 among the 10,790 with a school on file
  • Record last updated2017 · 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).

32 family nurse practitioner records list a practice address in Atlantis

They are 32 of the 574 NPPES records with a practice address in Atlantis, and 22,340 family nurse practitioner records in Florida.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Grace Augustine, ARNPAtlantis, FL 334621851789242
  2. Alice Burress, ARNPAtlantis, FL 334621033151097
  3. Ashley Chaiken, CRNPAtlantis, FL 334621699004150
  4. Bertulie Coicou, ARNPLantana, FL 334621104984335
  5. Sandra Dacosta, ARNPLantana, FL 334621679520746
  6. Melissa Mechler, ARNPAtlantis, FL 334621609244854
  7. Nicole Monroig, ARNPAtlantis, FL 334621205208063
  8. Eileen Moran, ARNPAtlantis, FL 334621780865386

Common questions

What is Joan Williamson's NPI number?

Joan Williamson's National Provider Identifier (NPI) is 1578930285, issued on Aug 28, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Joan Williamson located?

The NPPES record lists a practice address at 5301 S Congress Ave, Atlantis, FL, 33462. Phone: (561) 358-1722. Providers update this record themselves, so call before visiting.

How can I verify Joan Williamson's license?

NPPES lists Florida license number ARNP 9198650, 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 Joan Williamson prescribe under Medicare Part D?

In 2024, Joan Williamson had 2,121 Medicare Part D claims for 110 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.