Question 1

What is Bryan Dieffenbach, M.D.'s email address?

Accepted Answer

Bryan Dieffenbach, M.D.'s email address is available to verified Dmand AI users. Their primary practice is located at Bryan Dieffenbach, Inc. in Long Beach, California. Sign up for a free trial to reveal their direct contact information.

Question 2

What is Bryan Dieffenbach, M.D.'s phone number?

Accepted Answer

Bryan Dieffenbach, 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 Bryan Dieffenbach, M.D. practice?

Accepted Answer

Bryan Dieffenbach, M.D. is a Vascular Surgery Physician physician currently practicing at Bryan Dieffenbach, Inc. in Long Beach, California. They hold admitting privileges at 0 hospital(s), including . To see all the affiliations of Bryan Dieffenbach, M.D., start a free trial.

Question 4

What is Bryan Dieffenbach, M.D.'s specialty?

Accepted Answer

Bryan Dieffenbach, M.D. is a board-certified Vascular Surgery Physician physician with a subspecialty in Vascular Surgery. They practice at Bryan Dieffenbach, Inc. in Long Beach, California.

Question 5

What procedures does Bryan Dieffenbach, M.D. perform?

Accepted Answer

Bryan Dieffenbach, M.D. performs procedures across 118 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 Bryan Dieffenbach, M.D.'s NPI number?

Accepted Answer

Bryan Dieffenbach, M.D.'s National Provider Identifier (NPI) is 1326466137. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 2086S0129X, corresponding to Vascular Surgery Physician.

Question 7

What EHR does Bryan Dieffenbach, M.D. use?

Accepted Answer

The EHR and practice technology used by Bryan Dieffenbach, M.D. at Bryan Dieffenbach, Inc. is available to Dmand AI subscribers. Sign up for a free trial to unlock the full technology stack.

Question 8

What insurance does Bryan Dieffenbach, M.D. accept?

Accepted Answer

Bryan Dieffenbach, M.D. accepts 14 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Bryan Dieffenbach, M.D. affiliated with?

Accepted Answer

Bryan Dieffenbach, M.D. holds hospital privileges at 0 institution(s). Their primary affiliation is in , .

Question 10

What are Bryan Dieffenbach, M.D.'s board certifications?

Accepted Answer

Bryan Dieffenbach, M.D. is board certified by American Board of Surgery in Surgery with subspecialty certification in Vascular Surgery. They have maintained this certification since .

Question 11

Where did Bryan Dieffenbach, M.D. go to medical school?

Accepted Answer

Bryan Dieffenbach, M.D. received their medical degree from UC San Diego School of Medicine in 2014. They completed their Surgery residency at Mass General Brigham/Brigham and Women's Hospital and a fellowship in Vascular Surgery - Independent at Mass General Brigham/Brigham and Women's Hospital.

Question 12

How many patients does Bryan Dieffenbach, M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Bryan Dieffenbach, M.D. served approximately 73 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Bryan Dieffenbach, M.D. belong to?

Accepted Answer

Bryan Dieffenbach, M.D. is affiliated with REGENTS OF THE UNIVERSITY OF CALIFORNIA, a large (20+ physician) practice with 1477 physicians based in Long Beach, California. The practice is independently owned.

Question 14

Does Bryan Dieffenbach, M.D. conduct clinical research or trials?

Accepted Answer

Bryan Dieffenbach, M.D. has 21 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	99204New patient office or other outpatient visit, 45-59 minutes	32	32
2	99223Initial hospital inpatient care, typically 70 minutes per day	21	21
3	99232Subsequent hospital inpatient care, typically 25 minutes per day	20	65

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Bryan Dieffenbach, M.D.

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