Question 1

What is Dr. John H Marks, MD's email address?

Accepted Answer

Dr. John H Marks, MD's email address is available to verified Dmand AI users. Their primary practice is located at Lankenau Medical Center in Wayne, Pennsylvania. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Dr. John H Marks, MD's phone number?

Accepted Answer

Dr. John H Marks, 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. John H Marks, MD practice?

Accepted Answer

Dr. John H Marks, MD is a Colon & Rectal Surgery Physician physician currently practicing at Lankenau Medical Center in Wayne, Pennsylvania. They hold admitting privileges at 4 hospital(s), including MAIN LINE HOSPITAL LANKENAU. To see all the affiliations of Dr. John H Marks, MD, start a free trial.

Question 4

What is Dr. John H Marks, MD's specialty?

Accepted Answer

Dr. John H Marks, MD is a board-certified Colon & Rectal Surgery Physician physician. They practice at Lankenau Medical Center in Wayne, Pennsylvania.

Question 5

What procedures does Dr. John H Marks, MD perform?

Accepted Answer

Dr. John H Marks, MD performs procedures across 805 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. John H Marks, MD's NPI number?

Accepted Answer

Dr. John H Marks, MD's National Provider Identifier (NPI) is 1346212594. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 208C00000X, corresponding to Colon & Rectal Surgery Physician.

Question 7

What EHR does Dr. John H Marks, MD use?

Accepted Answer

The EHR and practice technology used by Dr. John H Marks, MD at Lankenau Medical Center is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Dr. John H Marks, MD accept?

Accepted Answer

Dr. John H Marks, MD accepts 7 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Dr. John H Marks, MD affiliated with?

Accepted Answer

Dr. John H Marks, MD holds hospital privileges at 4 institution(s). Their primary affiliation is MAIN LINE HOSPITAL LANKENAU in Wynnewood, Pennsylvania.

Question 10

What are Dr. John H Marks, MD's board certifications?

Accepted Answer

Dr. John H Marks, MD is board certified by American Board of Colon and Rectal Surgery in Colon & Rectal Surgery with subspecialty certification in Surgery. They have maintained this certification since .

Question 11

Where did Dr. John H Marks, MD go to medical school?

Accepted Answer

Dr. John H Marks, MD received their medical degree from Sidney Kimmel Medical College in 1989. They completed their Surgery residency at Sidney Kimmel Medical College at Thomas Jefferson University/TJUH.

Question 12

How many patients does Dr. John H Marks, MD see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Dr. John H Marks, MD served approximately 684 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Dr. John H Marks, MD belong to?

Accepted Answer

Dr. John H Marks, MD is affiliated with MAIN LINE HEALTHCARE, a large (20+ physician) practice with 649 physicians based in Wayne, Pennsylvania. The practice is independently owned.

Question 14

Does Dr. John H Marks, MD conduct clinical research or trials?

Accepted Answer

Dr. John H Marks, MD has 11 indexed publications on record and has been listed as a principal investigator on 2 clinical trial(s). 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	45330Diagnostic examination of large bowel using an endoscope	129	151
2	99213Established patient office or other outpatient visit, typically 15 minutes	129	157
3	45380Biopsy of the large bowel using an endoscope (colonoscopy)	67	68
4	99214Established patient office or other outpatient visit, 30-39 minutes	64	85
5	99215Established patient office or other outpatient, visit typically 40 minutes	62	86

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Dr. John H Marks, MD

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