Marc E. Portner, MD
Critical Care Medicine (Internal Medicine) Physician · Lakeland, FL
Marc E. Portner, MD is a critical care medicine (internal medicine) physician with a practice address in Lakeland, Florida, and NPI 1831222959, issued on Mar 14, 2007. Check the license (Florida ME124696, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Marc E. Portner
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- ME124696 FL
MD427273 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1324 Lakeland Hills Blvd, Lakeland, FL 33805
- Phone
- (863) 687-1321
- Enumerated
- Mar 14, 2007
- Record last updated
- Sep 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (863) 284-1730
- Medicare enrollment
- Enrolled (PECOS I20160107001205); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 567 in Florida → Look up another NPI →
Also registered at 1324 Lakeland Hills Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Abreu-Ramirez, MDPulmonary Disease Physician1003335019
- Marines Acevedo Rodriguez, MDGeriatric Medicine (Internal Medicine) Physician1326578329
- Amber Acosta, PA-CPhysician Assistant1689550733
- Aleah Aguilar, RNCritical Care Medicine Registered Nurse1467386177
- Areebah AhmadStudent in an Organized Health Care Education/Training Program1477493112
- Maha Ahmad, DOStudent in an Organized Health Care Education/Training Program1265282263
Verify Marc E. Portner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME124696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 80.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.18
1 payment: food and beverage; the largest payer was Abiomed. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lakeland Regional Health Systems IncLakeland, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc E. Portner among 567 critical care medicine (internal medicine) physician records in Florida
Marc E. Portner, MD is one of 567 critical care medicine (internal medicine) physician records with a practice address in Florida. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.
- NPI issued2007 · 24% of these records are older, 66% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2003 · median 2009 among the 475 with a school on file
- Record last updated2016 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Florida
There are 567 critical care medicine (internal medicine) physician records in Florida.
All 567 in Florida → Every provider in Lakeland → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Ramesh Donepudi, MD, MRCPLakeland, FL 338051962558171
- Christopher Dorothy, DOLakeland, FL 338051144282849
- Derek Hansen, M.D.Lakeland, FL 338051194089581
- Krutika Kiley, MDLakeland, FL 338051386271823
- Kara Lund, MDLakeland, FL 338051528379872
- Walter Macedo, MDLakeland, FL 338051154319689
- Dean Sandifer, MDLakeland, FL 338051396719365
- Khurram Shahjehan, MDLakeland, FL 338051659567089
Common questions
What is Marc E. Portner, MD's NPI number?
Marc E. Portner, MD's National Provider Identifier (NPI) is 1831222959, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc E. Portner, MD located?
The NPPES record lists a practice address at 1324 Lakeland Hills Blvd, Lakeland, FL, 33805. Phone: (863) 687-1321. Providers update this record themselves, so call before visiting.
How can I verify Marc E. Portner, MD's license?
NPPES lists Florida license number ME124696, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Marc E. Portner, MD's MIPS final score?
The 2023 MIPS final score is 80.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.