Question 1

What is Barbara Callahan, M.D.'s email address?

Accepted Answer

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

Question 2

What is Barbara Callahan, M.D.'s phone number?

Accepted Answer

Barbara Callahan, 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 Barbara Callahan, M.D. practice?

Accepted Answer

Barbara Callahan, M.D. is a Internal Medicine Physician physician currently practicing at in , California. They hold admitting privileges at 0 hospital(s), including . To see all the affiliations of Barbara Callahan, M.D., start a free trial.

Question 4

What is Barbara Callahan, M.D.'s specialty?

Accepted Answer

Barbara Callahan, M.D. is a board-certified Internal Medicine Physician physician. They practice at in , California.

Question 5

What procedures does Barbara Callahan, M.D. perform?

Accepted Answer

Barbara Callahan, M.D. performs procedures across 0 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 Barbara Callahan, M.D.'s NPI number?

Accepted Answer

Barbara Callahan, M.D.'s National Provider Identifier (NPI) is 1124111653. This is a public identifier issued by CMS and can be verified at the NPPES NPI Registry. Their primary taxonomy code is 207R00000X, corresponding to Internal Medicine Physician.

Question 7

What EHR does Barbara Callahan, M.D. use?

Accepted Answer

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

Question 8

What insurance does Barbara Callahan, M.D. accept?

Accepted Answer

Barbara Callahan, M.D. accepts 0 insurance plans. A full list of accepted payers is available in the profile above.

Question 9

What hospital is Barbara Callahan, M.D. affiliated with?

Accepted Answer

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

Question 10

What are Barbara Callahan, M.D.'s board certifications?

Accepted Answer

Barbara Callahan, M.D.'s board certification details are available to Dmand AI subscribers.

Question 11

Where did Barbara Callahan, M.D. go to medical school?

Accepted Answer

Barbara Callahan, M.D. received their medical degree from LSU Health Sciences Center New Orleans - School of Medicine in 1982. They completed their Internal Medicine residency at UCLA-VA Greater Los Angeles.

Question 12

How many patients does Barbara Callahan, M.D. see per year?

Accepted Answer

Based on CMS Medicare Part B claims data, Barbara Callahan, M.D. served approximately 0 Medicare beneficiaries in 2023. Total patient volume including non-Medicare patients is available to Dmand AI subscribers.

Question 13

What group practice does Barbara Callahan, M.D. belong to?

Accepted Answer

Barbara Callahan, M.D.'s group practice affiliation details are available to Dmand AI subscribers.

Question 14

Does Barbara Callahan, M.D. conduct clinical research or trials?

Accepted Answer

Barbara Callahan, 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.

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Barbara Callahan, M.D.

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