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

Dr. Mason Hoyt Long

Individual provider Internal Medicine Physician · NPI 1790854537

Dr. Mason Hoyt Long is an Internal Medicine in Saint Augustine, Florida. Qualified in 1986, 40 years ago. Accepts Medicare assignment. Licensed in Florida.

Years since qualifying
40
Licensed in
FL
In the registry since
2006

Practice location Address checks out

301 Health Park Blvd Ste 325
Saint Augustine, FL 32086-5771
Phone: (904) 824-6164
Fax: (904) 824-0365
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME0055529 (FL)

Record details

NPI number1790854537
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 7, 2006
Last updated in NPPESApril 21, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Saint Augustine