Mark L Harrison, MD

Radiation oncologist in Harlingen, Texas · NPI 1417954124

Mark Harrison is one of 2 radiation oncologists practicing in Harlingen, Texas. See all radiation oncologists in Texas. Mark Harrison practices with Valley Cancer Associates PA.

Registry record (NPPES)

NPI: 1417954124
Type: Type 1 · Individual
Primary taxonomy: Radiology, Radiation Oncology · 2085R0001X
Address on file: 620 S Broadway St
McAllen, TX 78501-4906
(956) 682-9680
Enumerated: Jul 7, 2005
Record last updated: Jul 8, 2007
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Radiation Oncology
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

1719 Treasure Hills Blvd
Harlingen, TX 78550

More radiation oncologists in Harlingen

Quinten C. Black, MD

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.