Dr. Daniel Owen Herzig, MD

Dr. Herzig practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.

Dr. Herzig's NPI, 1841205358, was assigned on July 31, 2006. Dr. Herzig graduated from Vanderbilt University School Of Medicine in 1999. Dr. Herzig's Oregon license number on file is MD25675.

Dr. Herzig's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.

Dr. Herzig's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dr. Herzig is also affiliated with Samaritan North Lincoln Hospital. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Herzig to 2 more group practices and clinics, 2 medical groups and 1 clinical lab, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herzig practices, 5 sites in all. Vendor and product names are available with a free account.

Colon and rectal surgery is Dr. Herzig's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Herzig is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Herzig's licenses on file in 4 states: Oregon, Kentucky, Washington and Tennessee.

Dmand AI lists colonoscopy, colon removal and hemorrhoids among the conditions Dr. Herzig treats.

CMS data shows 343 Medicare services from Dr. Herzig across 12 procedure codes in 2024, for 188 Medicare patients. Medicare paid $20,870 for them.

CMS counts 188 Medicare patients who saw Dr. Herzig in 2024. The largest group is 65 to 74, with 105 patients. 58% of them have high blood pressure, and 48% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.54, 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. Herzig's median patient age at 67, with 51% women.

In 2024, Dr. Herzig wrote 306 Medicare Part D claims for 184 patients. 68% of them were for generic drugs. CMS names the drug for 208 of them, across 7 drugs with 11 or more claims each, at $7,113 in total drug cost. In 2023, CMS named 198 claims across 8 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Herzig for performance year 2024, reported through an alternative payment model (APM). Dr. Herzig accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Herzig as offering telehealth. CMS counts 96 procedures of colonoscopy by Dr. Herzig, more than 79% of the clinicians it reports for that procedure.

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 70 papers to Dr. Herzig, published from 2010 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Colectomy, Colorectal Neoplasms and Rectal Neoplasms. Dr. Herzig has published most often in Dis Colon Rectum. Dr. Herzig's most frequent co-authors are Kim Champion Lu, MD, Vassiliki L. Tsikitis, MD and Scott Russell Steele, MD.

Dmand AI links Dr. Herzig to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Vomiting and Signs and Symptoms, Digestive.

CMS Open Payments shows 41 general payments to Dr. Herzig from 6 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 47% of the total. Intuitive Surgical, Inc. paid the most, $10,041.

Dmand AI lists 29 awards for Dr. Herzig, most recently Regional Top Doctor in 2014. Dr. Herzig serves on American Society of Colon and Rectal Surgeons.

Dr. Herzig graduated from Vanderbilt University School Of Medicine in 1999. Dr. Herzig is a member of ACS, ASGE, ASCRS, North Pacific Surgical Association, Northwest Society of Colon and Rectal Surgeons and Oregon Medical Association.

Dr. Herzig is in network with 13 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 13. Check the plan with the practice before a visit.