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

Dr. Jonathan Walton Marsh, MD

Individual provider Internal Medicine Physician · NPI 1275795528

Dr. Jonathan Walton Marsh, MD is an Internal Medicine in Naples, Florida. Graduated from Medical University of South Carolina College of Medicine in 2008, 18 years ago. Practices with Naples Concierge Healthcare, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida and South Carolina.

Years since qualifying
18
Trained at
Medical University of South Carolina College of Medicine
Licensed in
FL, SC
In the registry since
2008
Specialties on file
4
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

2338 Immokalee Rd Ste 186
Naples, FL 34110-1445
Phone: (239) 330-2933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 700 2nd Ave N, Naples, FL 34102-5756 — (239) 431-6873

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME113346 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence LL 30910 (SC)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD30910 (SC)
Hospitalist Physician Taxonomy 208M00000X · Licence ME113346 (FL)

Record details

NPI number1275795528
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 27, 2008
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025
Mailing address2338 Immokalee Rd, Suite 186, Naples, FL 34110-1445

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Naples Concierge Healthcare — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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