Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Grisel Mac Williams, MD

Individual provider Specialist · NPI 1053396549

Dr. Grisel Mac Williams, MD is an Internal Medicine in Hialeah, Florida. Qualified in 1980, 46 years ago. Accepts Medicare assignment. Licensed in Florida.

Years since qualifying
46
Licensed in
FL
In the registry since
2005
Specialties on file
2
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

810 E 39th Pl
Hialeah, FL 33013-2863
Phone: (305) 691-7018
Fax: (305) 691-5814
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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 ME0045706 (FL)
Specialist Taxonomy 174400000X · Licence ME0045706 (FL)

Record details

NPI number1053396549
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2005
Last updated in NPPESJanuary 8, 2021
Certification dateJanuary 8, 2021
Mailing address810 E 39 Pl., Hialeah, FL 33013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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