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Mark Hanna, MD

NPI 1902120439ActiveIndividual· Colon & Rectal Surgery· Upland, CA

Colon & Rectal Surgery (MD) with City of Hope Medical Foundation, practicing in Upland, California. 153 Medicare patients in 2024, $83,078 paid; nearly all of their 176 Part D prescriptions were generic (93%). Lists Casa Colina Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1902120439
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 26, 2010
Last updated in NPPESNov 27, 2023
Certified by providerOct 30, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Colon & Rectal Surgery Primary208C00000XA126440CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Colorectal Surgery (Proctology) (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients153
Services billed422 across 54 procedure codes
Paid by Medicare$83,078

Part D prescriptions in 2024

Prescriptions (claims)176 · 190 30-day fills
Patients68
Total drug cost$3,806
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Graduation year2009
Medicare specialtyColorectal Surgery (Proctology)
Secondary specialtiesGeneral Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other colorectal surgeons in Upland

All colorectal surgeons in California