Dr. Gregory K. Feld, MD

Dr. Feld practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Feld's NPI, 1720003924, was assigned on July 12, 2006. Dr. Feld graduated from Geisel School Of Medicine At Dartmouth in 1977. Dr. Feld holds California license G37258.

Dr. Feld's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

Dr. Feld's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Feld is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.

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

Clinical cardiac electrophysiology is Dr. Feld's primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dr. Feld is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Feld is licensed in California.

Dmand AI lists atrial fibrillation and flutter, cardiac arrhythmia, heart blockage, intermittent racing heartbeat (PSVT), pacemaker or defibrillator implantation, pacemaker replacement, sick sinus syndrome and ventricular tachycardia among the conditions Dr. Feld treats.

CMS data shows 2,068 Medicare services from Dr. Feld across 21 procedure codes in 2024, for 890 Medicare patients. Medicare paid $122,406 for them.

CMS counts 890 Medicare patients who saw Dr. Feld in 2024. The largest group is 75 to 84, with 408 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.61, 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. Feld's median patient age at 72, with 40% women.

In 2024, Dr. Feld wrote 388 Medicare Part D claims for 131 patients. 77% of them were for generic drugs. CMS names the drug for 267 of them, across 10 drugs with 11 or more claims each, at $92,543 in total drug cost. In 2023, CMS named 202 claims across 9 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Feld for performance year 2024, reported as part of a group. Dr. Feld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Feld as offering telehealth. CMS counts 13 procedures of pacemaker insertion or repair by Dr. Feld, more than 65% of the clinicians it reports for that procedure.

Dmand AI links 150 papers to Dr. Feld, published from 2005 to 2025. 2021 was the busiest year, with 9. The most frequent topics are Atrial Fibrillation, Electrocardiography and Catheter Ablation. Dr. Feld has published most often in J Interv Card Electrophysiol. Dr. Feld's most frequent co-authors are Jonathan Chong Hsu, MD, Ulrika Birgersdotter-Green, MD and David Edward Krummen, MD.

Dmand AI links Dr. Feld to 6 clinical trials. 1 is still active or recruiting. Conditions studied include Atrial Fibrillation, Arrhythmias, Cardiac and Atrial Flutter. University of California, San Diego sponsors the most, 4. Open Payments lists research payments to Dr. Feld that name 1 trial.

CMS Open Payments shows 520 general payments to Dr. Feld from 28 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 63% of the total. Acutus Medical, Inc. paid the most, $107,770. It also lists 5 research payments totaling $8,950 from 2020 to 2022, naming 1 clinical trial.

Dmand AI lists 6 awards for Dr. Feld, most recently CMS Stage 1 EHR in 2013. Dr. Feld serves on Heart Rhythm Society Scientific Sessions Committee.

Dr. Feld graduated from Geisel School Of Medicine At Dartmouth in 1977. Dr. Feld is a member of ACC, AHA and Heart Rhythm Society.

Dr. Feld is in network with 16 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.