Dr. Cristina R. Harnsberger, MD

Dr. Harnsberger practices at Sansum Clinic in Santa Barbara, California.

Dr. Harnsberger's NPI, 1497054126, was assigned on March 21, 2011. Dr. Harnsberger graduated from UC Irvine School of Medicine in 2010. Dr. Harnsberger holds California license A120146.

Dr. Harnsberger's primary practice is Sansum Clinic, at 317 West Pueblo, Santa Barbara, CA 93105. The practice phone is (805) 681-7500.

Dr. Harnsberger's primary practice is Sansum Clinic in Santa Barbara, California. Dr. Harnsberger is also affiliated with Santa Barbara Cottage Hospital. The medical group on file is Sansum Clinic. Dmand AI also links Dr. Harnsberger to 1 more hospital and 1 home health agency, each named with a free account. Dr. Harnsberger's employer is on file too: a surgery center (asc).

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

Colon and rectal surgery is Dr. Harnsberger's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Harnsberger is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Harnsberger's licenses on file in 2 states: California and Massachusetts.

Dmand AI lists appendectomy, colonoscopy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal, gastrointestinal bleeding, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Harnsberger treats.

CMS data shows 641 Medicare services from Dr. Harnsberger across 15 procedure codes in 2024, for 345 Medicare patients. Medicare paid $68,998 for them.

CMS counts 345 Medicare patients who saw Dr. Harnsberger in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Harnsberger's median patient age at 67, with 52% women.

In 2024, Dr. Harnsberger wrote 186 Medicare Part D claims for 109 patients. 96% of them were for generic drugs. CMS names the drug for 120 of them, across 4 drugs with 11 or more claims each, at $4,602 in total drug cost. In 2023, CMS named 107 claims across 5 drugs.

Dr. Harnsberger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 57 procedures of colonoscopy by Dr. Harnsberger, more than 66% of the clinicians it reports for that procedure.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 29 papers to Dr. Harnsberger, published from 2014 to 2021. 2014 was the busiest year, with 10. The most frequent topics are Laparoscopy, Colon and Hospital Mortality. Dr. Harnsberger has published most often in Surg Endosc. Dr. Harnsberger's most frequent co-authors are Ryan C. Broderick, MD, Santiago Horgan and Garth R. Jacobsen, MD.

CMS Open Payments shows 31 general payments to Dr. Harnsberger from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Intuitive Surgical, Inc. paid the most, $981.

Dr. Harnsberger graduated from UC Irvine School of Medicine in 2010.

Dr. Harnsberger is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.