Question 1

What is Zachary A. Gregg, M.D.'s email address?

Accepted Answer

Zachary A. Gregg, M.D.'s email address is available to verified Dmand AI users. Their primary practice is located at Sentara Martha Jefferson Hospital in Charlottesville, Virginia. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Zachary A. Gregg, M.D.'s phone number?

Accepted Answer

Zachary A. Gregg, M.D.'s direct phone number is available to Dmand AI subscribers. To access their direct number, start a free trial.

Question 3

Where does Zachary A. Gregg, M.D. practice?

Accepted Answer

Zachary A. Gregg, M.D. is a Colon & Rectal Surgery Physician physician currently practicing at Sentara Martha Jefferson Hospital in Charlottesville, Virginia. They hold admitting privileges at 1 hospital(s), including SENTARA MARTHA JEFFERSON HOSPITAL. To see all the affiliations of Zachary A. Gregg, M.D., start a free trial.

Question 4

What is Zachary A. Gregg, M.D.'s specialty?

Accepted Answer

Zachary A. Gregg, M.D. is a board-certified Colon & Rectal Surgery Physician physician. They practice at Sentara Martha Jefferson Hospital in Charlottesville, Virginia.

Question 5

What procedures does Zachary A. Gregg, M.D. perform?

Accepted Answer

Zachary A. Gregg, M.D. performs procedures across 416 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 Zachary A. Gregg, M.D.'s NPI number?

Accepted Answer

Zachary A. Gregg, M.D.'s National Provider Identifier (NPI) is 1285836312. 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 Zachary A. Gregg, M.D. use?

Accepted Answer

The EHR and practice technology used by Zachary A. Gregg, M.D. at Sentara Martha Jefferson Hospital is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Zachary A. Gregg, M.D. accept?

Accepted Answer

Zachary A. Gregg, M.D. accepts 10 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Zachary A. Gregg, M.D. affiliated with?

Accepted Answer

Zachary A. Gregg, M.D. holds hospital privileges at 1 institution(s). Their primary affiliation is SENTARA MARTHA JEFFERSON HOSPITAL in Charlottesville, Virginia.

Question 10

What are Zachary A. Gregg, M.D.'s board certifications?

Accepted Answer

Zachary A. Gregg, M.D. 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 Zachary A. Gregg, M.D. go to medical school?

Accepted Answer

Zachary A. Gregg, M.D. received their medical degree from Rutgers New Jersey Medical School in 2007. They completed their Surgery residency at Rhode Island Hospital/Brown University Health.

Question 12

How many patients does Zachary A. Gregg, M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Zachary A. Gregg, M.D. served approximately 346 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Zachary A. Gregg, M.D. belong to?

Accepted Answer

Zachary A. Gregg, M.D. is affiliated with MARTHA JEFFERSON MEDICAL GROUP LLC, a large (20+ physician) practice with 107 physicians based in Charlottesville, Virginia. The practice is independently owned.

Question 14

Does Zachary A. Gregg, M.D. conduct clinical research or trials?

Accepted Answer

Zachary A. Gregg, M.D. has 2 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	99213Established patient office or other outpatient visit, typically 15 minutes	73	94
2	46600Diagnostic examination of the anus using an endoscope	41	47
3	99231Subsequent hospital inpatient care, typically 15 minutes per day	38	67
4	99214Established patient office or other outpatient visit, 30-39 minutes	32	35
5	99203New patient outpatient visit, total time 30-44 minutes	30	30

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Zachary A. Gregg, M.D.

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