Dr. Katherine S. Freeman, MD

Dr. Freeman practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

Dr. Freeman's NPI, 1770752594, was assigned on February 26, 2008. Dr. Freeman graduated from Northeast Ohio Medical University in 2006. Dr. Freeman holds New York license 254865-1.

Dr. Freeman's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.

Dr. Freeman's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre. Dr. Freeman is also affiliated with St. Francis Hospital & Heart Center. The medical group on file is Cardiac Interventional Group. Dmand AI also links Dr. Freeman to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account.

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

Gastroenterology is Dr. Freeman's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Freeman is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Freeman's licenses on file in 7 states: New York, California, Ohio, Hawaii, North Dakota, Indiana and U.S. Virgin Islands.

Dmand AI lists acid reflux, acute gastroduodenitis, colonoscopy, gastroduodenitis, gastroenteritis, gastrointestinal bleeding, hemorrhoids and intestinal diverticulosis among the conditions Dr. Freeman treats.

CMS data shows 1,121 Medicare services from Dr. Freeman across 14 procedure codes in 2024, for 437 Medicare patients. Medicare paid $162,343 for them.

CMS counts 437 Medicare patients who saw Dr. Freeman in 2024. The largest group is 65 to 74, with 190 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Freeman's median patient age at 63, with 67% women.

In 2024, Dr. Freeman wrote 1,030 Medicare Part D claims for 264 patients. 90% of them were for generic drugs. CMS names the drug for 921 of them, across 14 drugs with 11 or more claims each, at $84,162 in total drug cost. In 2023, CMS named 596 claims across 11 drugs.

Dr. Freeman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Freeman as offering telehealth. CMS counts 169 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Freeman, more than 87% of the clinicians it reports for that procedure.

Dmand AI links 77 papers to Dr. Freeman, published from 2005 to 2020. 2011 was the busiest year, with 5. The most frequent topics are New York City, Tomography, X-Ray Computed and New York. Dr. Freeman has published most often in J Oral Maxillofac Surg. Dr. Freeman's most frequent co-authors are Joaquim M. Farinhas, MD, Todd S. Miller, MD and Raanan Arens, MD.

CMS Open Payments shows 65 general payments to Dr. Freeman from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Covidien LP paid the most, $553.

Dr. Freeman graduated from Northeast Ohio Medical University in 2006.

Dr. Freeman is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.