Dr. Nicolas A. Nelken, MD

Dr. Nelken practices at Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente.

Dr. Nelken's NPI, 1396899902, was assigned on January 22, 2007. Dr. Nelken graduated from UCSF School of Medicine in 1982. Dr. Nelken holds Hawaii license MD-12257.

Dr. Nelken's primary practice is Kaiser Permanente Moanalua Medical Center, at 3288 Moanalua Rd, Honolulu, HI 96819 in Honolulu County. The practice phone is (808) 432-0000.

Dr. Nelken's primary practice is Kaiser Permanente Moanalua Medical Center in Honolulu, Hawaii, part of Kaiser Permanente. The medical group on file is Hawaii Permanente Medical Group (HPMG).

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

Vascular surgery is Dr. Nelken's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Nelken is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Nelken's licenses on file in 2 states: Hawaii and California.

CMS data shows 17 Medicare services from Dr. Nelken across 1 procedure code in 2024, all of them office visits, for 41 Medicare patients. Medicare paid $720 for them. Every service was in an office.

CMS counts 41 Medicare patients who saw Dr. Nelken in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 71% have diabetes. 41% are also on Medicaid. Their average risk score is 3.55, 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. Nelken's median patient age at 61, with 45% women.

In 2024, Dr. Nelken wrote 86 Medicare Part D claims for 39 patients. 74% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $358 in total drug cost. In 2023, CMS named 27 claims across 1 drug.

Dr. Nelken accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 22 papers to Dr. Nelken, published from 2008 to 2024. The most frequent topics are Endovascular Procedures, Blood Vessel Prosthesis Implantation and Aortic Aneurysm, Abdominal. Dr. Nelken has published most often in J Vasc Surg. Dr. Nelken's most frequent co-authors are Shaun Coughlin, MD, PhD, Thomas F. Rehring, MD and Bradley B. Hill, MD.

CMS Open Payments shows 30 general payments to Dr. Nelken from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $358.

Dmand AI lists 2 awards for Dr. Nelken, most recently CMS Stage 1 2012 in 2011.

Dr. Nelken graduated from UCSF School of Medicine in 1982. Dr. Nelken is a member of ACS.

Dr. Nelken is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.