Dr. Nathanael David Heckmann, MD

Dr. Heckmann practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.

Dr. Heckmann's NPI, 1164833406, was assigned on May 8, 2014. Dr. Heckmann graduated from UC Irvine School of Medicine in 2013. Dr. Heckmann holds California license A137295.

Dr. Heckmann's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.

Dr. Heckmann's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Heckmann is also affiliated with USC Verdugo Hills Hospital. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Heckmann to 2 more group practices and clinics, 2 home health agencies, 1 other site, 1 urgent care center and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heckmann practices, 8 sites in all. Vendor and product names are available with a free account.

Adult reconstructive orthopaedic surgery is Dr. Heckmann's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Heckmann is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Heckmann's licenses on file in 2 states: California and Illinois.

Dmand AI lists amputation, arthritis, hip replacement, joint pain, knee replacement, lower back pain, minor injury to a limb and neck pain and spine problems among the conditions Dr. Heckmann treats.

CMS data shows 692 Medicare services from Dr. Heckmann across 11 procedure codes in 2024, for 389 Medicare patients. Medicare paid $131,998 for them.

CMS counts 389 Medicare patients who saw Dr. Heckmann in 2024. The largest group is 65 to 74, with 189 patients. 75% of them have arthritis, and 75% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.66, 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. Heckmann's median patient age at 70, with 57% women.

In 2024, Dr. Heckmann wrote 26 Medicare Part D claims for 12 patients. 100% of them were for generic drugs. They cover 2 drugs, with $1,075 in total drug cost. In 2020, CMS named 20 claims across 1 drug.

Dr. Heckmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Heckmann as offering telehealth. CMS counts 62 procedures of hip replacement by Dr. Heckmann, more than 91% of the clinicians it reports for that procedure.

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 63 papers to Dr. Heckmann, published from 2014 to 2025. 2024 was the busiest year, with 14. The most frequent topics are Arthroplasty, Replacement, Hip, Arthroplasty, Replacement, Knee and Postoperative Complications. Dr. Heckmann has published most often in J Am Acad Orthop Surg. Dr. Heckmann's most frequent co-authors are Cory Kishi Hiro Mayfield, MD, Alexander Bryant Christ, MD and Lakshmanan Sivasundaram.

Dmand AI links Dr. Heckmann to 1 clinical trial.

CMS Open Payments shows 343 general payments to Dr. Heckmann from 16 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 84% of the total. Zimmer Biomet Holdings, Inc. paid the most, $613,244.

Dr. Heckmann graduated from UC Irvine School of Medicine in 2013. Dr. Heckmann is a member of AAOS and AAHKS.

Dr. Heckmann is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.