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

Donald Peter Messersmith, MD

Individual provider Internal Medicine Physician · NPI 1538235338

Donald Peter Messersmith, MD is a Cardiovascular Disease (Cardiology) in Merritt Island, Florida. Graduated from University of Miami, Lm Miller School of Medicine in 1976, 50 years ago. Practices with Orlando Health Medical Group Inc, a 2,137-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
50
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
FL
In the registry since
2006
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

150 N Sykes Creek Pkwy Ste 300
Merritt Island, FL 32953-3488
Phone: (321) 452-3811
Fax: (321) 454-4026
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence ME45550 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME45550 (FL)

Record details

NPI number1538235338
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 27, 2006
Last updated in NPPESMarch 10, 2025
Certification dateMarch 10, 2025
Mailing addressPo Box 11406, Belfast, ME 04915-4005

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Orlando Health Medical Group Inc — 2137 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Merritt Island