Question 1

What is Dr. Jonathan Walton Marsh, MD's email address?

Accepted Answer

Dr. Jonathan Walton Marsh, MD's email address is available to verified Dmand AI users. Their primary practice is located at in San Juan Capistrano, California. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Dr. Jonathan Walton Marsh, MD's phone number?

Accepted Answer

Dr. Jonathan Walton Marsh, MD's direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Dr. Jonathan Walton Marsh, MD practice?

Accepted Answer

Dr. Jonathan Walton Marsh, MD is a Hospitalist Physician physician currently practicing at in San Juan Capistrano, California. They hold admitting privileges at 0 hospital(s), including . To see all the affiliations of Dr. Jonathan Walton Marsh, MD, start a free trial.

Question 4

What is Dr. Jonathan Walton Marsh, MD's specialty?

Accepted Answer

Dr. Jonathan Walton Marsh, MD is a board-certified Hospitalist Physician physician. They practice at in San Juan Capistrano, California.

Question 5

What procedures does Dr. Jonathan Walton Marsh, MD perform?

Accepted Answer

Dr. Jonathan Walton Marsh, MD performs procedures across 410 clinical categories. Their most commonly billed procedures based on Medicare claims data include , , and . Full procedure and CPT code data is available to Dmand AI subscribers, start a free trial.

Question 6

What is Dr. Jonathan Walton Marsh, MD's NPI number?

Accepted Answer

Dr. Jonathan Walton Marsh, MD's National Provider Identifier (NPI) is 1275795528. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 208M00000X, corresponding to Hospitalist Physician.

Question 7

What EHR does Dr. Jonathan Walton Marsh, MD use?

Accepted Answer

The EHR and practice technology used by Dr. Jonathan Walton Marsh, MD at is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Dr. Jonathan Walton Marsh, MD accept?

Accepted Answer

Dr. Jonathan Walton Marsh, MD accepts 2 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Dr. Jonathan Walton Marsh, MD affiliated with?

Accepted Answer

Dr. Jonathan Walton Marsh, MD holds hospital privileges at 0 institution(s). Their primary affiliation is in , .

Question 10

What are Dr. Jonathan Walton Marsh, MD's board certifications?

Accepted Answer

Dr. Jonathan Walton Marsh, MD is board certified by American Board of Internal Medicine in Internal Medicine. They have maintained this certification since .

Question 11

Where did Dr. Jonathan Walton Marsh, MD go to medical school?

Accepted Answer

Dr. Jonathan Walton Marsh, MD received their medical degree from Medical University of South Carolina (MUSC) in 2008. They completed their Internal Medicine residency at Medical University of South Carolina (MUSC).

Question 12

How many patients does Dr. Jonathan Walton Marsh, MD see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Dr. Jonathan Walton Marsh, MD served approximately 293 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Dr. Jonathan Walton Marsh, MD belong to?

Accepted Answer

Dr. Jonathan Walton Marsh, MD is affiliated with NAPLES CONCIERGE HEALTHCARE, a small (2–5 physician) practice with 2 physicians based in San Juan Capistrano, California. The practice is independently owned.

Question 14

Does Dr. Jonathan Walton Marsh, MD conduct clinical research or trials?

Accepted Answer

Dr. Jonathan Walton Marsh, MD has 0 indexed publications on record and no active clinical trial listings were found at time of last verification. Their research activity is available to Dmand AI subscribers. Sign up for a free trial to unlock their full research activity.

#	Procedure Code (CPT®/HCPCS II)	Procedure Patients	Procedure Volume
1	99232Subsequent hospital inpatient care, typically 25 minutes per day	113	198
2	99239Hospital discharge day management, more than 30 minutes	89	90
3	99233Subsequent hospital inpatient care, typically 35 minutes per day	57	88
4	99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19
5	99223Initial hospital inpatient care, typically 70 minutes per day	15	15

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Dr. Jonathan Walton Marsh, MD

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