Dr. Prem Narayan Ramkumar, MBA, MD

Dr. Ramkumar practices at Lakewood Orthopedics Surgical & Medical Group in Long Beach, California.

Dr. Ramkumar's NPI, 1255794889, was assigned on March 31, 2016. Dr. Ramkumar graduated from Baylor College Of Medicine in 2016. Dr. Ramkumar's New York license number on file is 314663.

Dr. Ramkumar's primary practice is Lakewood Orthopedics Surgical & Medical Group, at 3828 Schaufele Ave, Long Beach, CA 90808 in Los Angeles County. The practice phone is (562) 633-3787.

Dr. Ramkumar's primary practice is Lakewood Orthopedics Surgical & Medical Group in Long Beach, California. Dr. Ramkumar is also affiliated with Long Beach Medical Center. The medical group on file is Commons Clinic. Dmand AI also links Dr. Ramkumar to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramkumar practices, 4 sites in all. Vendor and product names are available with a free account.

Orthopaedic surgery is Dr. Ramkumar's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Ramkumar's licenses on file in 4 states: New York, California, Massachusetts and Ohio.

Dmand AI lists arthritis among the conditions Dr. Ramkumar treats.

CMS data shows 547 Medicare services from Dr. Ramkumar across 8 procedure codes in 2024, for 169 Medicare patients. Medicare paid $42,554 for them. Every service was in an office.

CMS counts 169 Medicare patients who saw Dr. Ramkumar in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have arthritis, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ramkumar's median patient age at 64, with 60% women.

In 2024, Dr. Ramkumar wrote 1,034 Medicare Part D claims for 258 patients. 97% of them were for generic drugs. CMS names the drug for 973 of them, across 11 drugs with 11 or more claims each, at $10,492 in total drug cost. In 2023, CMS named 126 claims across 6 drugs.

Dr. Ramkumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of hip replacement by Dr. Ramkumar, more than 72% 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)

Dmand AI links 136 papers to Dr. Ramkumar, published from 2013 to 2025. 2024 was the busiest year, with 17. The most frequent topics are Arthroplasty, Replacement, Hip, Artificial Intelligence and Machine Learning. Dr. Ramkumar has published most often in J Arthroplasty. Dr. Ramkumar's most frequent co-authors are Heather Haeberle, MD, Michael A. Mont, MD and Benedict Uchenna Nwachukwu, MBA, MD.

Dmand AI links Dr. Ramkumar to 1 clinical trial.

CMS Open Payments shows 145 general payments to Dr. Ramkumar from 9 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 42% of the total. Stryker Corporation paid the most, $34,508.

Dr. Ramkumar graduated from Baylor College Of Medicine in 2016.

Dr. Ramkumar is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.