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

Marc E Portner, MD

Individual provider Emergency Medicine Physician · NPI 1831222959

Marc E Portner, MD is a Critical Care (Intensivists) in Lakeland, Florida. Graduated from Pennsylvania State University College of Medicine in 2003, 23 years ago. Practices with Lakeland Regional Health Systems Inc, a 503-clinician group and accepts Medicare assignment. Licensed in Florida and Pennsylvania.

Years since qualifying
23
Trained at
Pennsylvania State University College of Medicine
Licensed in
FL, PA
In the registry since
2007
Specialties on file
3
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

1324 Lakeland Hills Blvd
Lakeland, FL 33805-4543
Phone: (863) 687-1321
Fax: (863) 284-1730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence ME124696 (FL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD427273 (PA)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence MD427273 (PA)

Record details

NPI number1831222959
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2007
Last updated in NPPESSeptember 20, 2016
Mailing address1324 Lakeland Hills Blvd, Attn: Managed Care Dept., Lakeland, FL 33805-4543

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesEMERGENCY MEDICINE
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Lakeland Regional Health Systems Inc — 503 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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