DR. JONATHAN WALTON MARSH MD
NPI 1275795528
Internal Medicine in Naples, FL

Active since June 27, 2008PECOS EnrolledAccepts Medicare Assignment
81.44/100
CMS Quality Rating
2338 IMMOKALEE RD, SUITE 186, NAPLES, FL 34110(239) 330-2933 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 12, 2025, Aug 8, 2025, Sep 21, 2017 (3 updates tracked since 2017).

About Dr. Jonathan Walton Marsh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHAN WALTON MARSH MD (NPI 1275795528) is an individual internal medicine provider in Naples, Florida, licensed in Florida (ME113346) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Naples, and is a graduate of Medical University Of South Carolina College Of Medicine (2008).

NPPES Registry Identity

NPI1275795528
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JONATHAN WALTON MARSHCredential: MD
Location Address2338 IMMOKALEE RD, SUITE 186Naples, FL 34110-1445
Mailing Address2338 Immokalee Rd, Suite 186Naples, FL 34110-1445 · (239) 330-2933
Sole ProprietorYes
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2008
Enumeration DateJune 27, 2008
Last NPPES UpdateAugust 12, 20253 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
NPI 1275795528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in FL · ME113346 Licensed in SC · LL 30910 Licensed in SC · MD30910
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedHospitalistTaxonomy 208M00000X · License ME113346 (FL)
2338 IMMOKALEE RD, Naples, FL 34110

Secondary Practice Location 1

Location 1700 2nd Ave NNaples, FL 34102-5756 · Phone (239) 431-6873

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathan Walton Marsh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567636897
PECOS Enrollment IDI20120921000339
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost21.48

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers16 claims16 services$71.53 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier14 claims14 services$26.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
2338 IMMOKALEE RD
NAPLES, FL 34110
Hospitalist
2338 IMMOKALEE RD, SUITE 186
NAPLES, FL 34110
Internal Medicine
2338 IMMOKALEE RD, SUITE 161
NAPLES, FL 34110
Hospitalist
2338 IMMOKALEE RD, SUITE 186
NAPLES, FL 34110

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Marsh's NPI number?

The NPI number for Jonathan Marsh is 1275795528. It was assigned to this individual provider in the NPPES registry on June 27, 2008.

Where is Jonathan Marsh located?

Jonathan Marsh practices at 2338 Immokalee Rd Suite 186, Naples, FL 34110. The listed phone number is (239) 330-2933.

What is Jonathan Marsh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jonathan Marsh enrolled in Medicare?

Yes. Jonathan Marsh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jonathan Marsh was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.