Dr. Peter A. Najjar, MD

Dr. Najjar practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Najjar's NPI, 1952691214, was assigned on April 7, 2011. Dr. Najjar graduated from University of Chicago, Pritzker School of Medicine in 2011. Dr. Najjar holds Maryland license D90159.

Dr. Najjar's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

Dr. Najjar's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Najjar is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Najjar to 1 more home health agency, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Najjar practices, 2 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Najjar's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Najjar is licensed in Maryland.

CMS data shows 12 Medicare services from Dr. Najjar across 1 procedure code in 2024, all of them office visits, for 50 Medicare patients. Medicare paid $1,484 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 50 Medicare patients who saw Dr. Najjar in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Najjar's median patient age at 69, with 50% women.

In 2019, Dr. Najjar wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $59 in total drug cost.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 25 papers to Dr. Najjar, published from 2015 to 2025. 2016 was the busiest year, with 4. The most frequent topics are Postoperative Complications, Perioperative Care and Costs and Cost Analysis. Dr. Najjar has published most often in JAMA Surg. Dr. Najjar's most frequent co-authors are Ronald Bleday, MD, Jonathan E. Efron, MD and Susan L. Gearhart, MD.

CMS Open Payments shows 4 general payments to Dr. Najjar from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 98% of the total. Intuitive Surgical, Inc. paid the most, $328.

Dr. Najjar graduated from University of Chicago, Pritzker School of Medicine in 2011.