Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Frederick K Williams, MD

Individual provider Internal Medicine Physician · NPI 1457310260

Frederick K Williams, MD practises Internal Medicine in Atlantis, Florida. Graduated from University of South Florida College of Medicine in 1989, 37 years ago. Practices with Holy Cross Hospital Inc, a 300-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
37
Trained at
University of South Florida College of Medicine
Licensed in
FL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

180 Jfk Dr Ste 210
Atlantis, FL 33462-6607 Not confirmed with CMS for 12 years — call before visiting
Phone: (561) 548-1450
Fax: (561) 548-1459
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME103240 (FL)

Record details

NPI number1457310260
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESMarch 28, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Holy Cross Hospital Inc — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients92
Services billed 152 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Holy Cross Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 300 clinicians in the practice; 12 are shown here.

Other providers in Atlantis