Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Radiation Oncology

Abhilash P. Nambiar, MD

Sees patients in Tucson, AZ · Arizona

Summary

Dr. Abhilash P. Nambiar, MD is a radiation oncologist at 6630 E Carondelet Dr, Tucson, AZ 85710. Phone: (520) 675-3076. Accepts Medicare assignment. In 2024, Abhilash P. Nambiar had 286 Original Medicare patients and 3,986 services. NPI 1013126440. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 6630 E Carondelet Dr, Tucson, AZ 85710 · Directions
  • Phone: (520) 675‑3076
  • Medicare: Accepts Medicare assignment
  • Group practice: Arizona Digestive Health PC
  • Medical school: University Of Virginia School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Abhilash P. Nambiar, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Abhilash P. Nambiar accept Medicare assignment?
Yes. Medicare's clinician data says Abhilash P. Nambiar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Abhilash P. Nambiar see?
In 2024, CMS data shows 286 Original Medicare patients and 3,986 services for Abhilash P. Nambiar. This counts Original Medicare only and measures volume, not quality.
What is Abhilash P. Nambiar's NPI number?
1013126440. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Abhilash P. Nambiar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients286
Services billed to Medicare3,986
Different services or procedures41
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ct guidance for insertion of radiation therapy fields (77014)1,091 services
  2. Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)1,021 services
  3. Continuing radiation therapy consultation per week (77336)269 services
  4. Calculation of radiation therapy dose (77300)247 services
  5. Radiation treatment management, 5 treatment sessions (77427)242 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • High blood pressure74%
  • Arthritis43%
  • Ischemic heart disease31%
  • Chronic kidney disease29%

Practice locations

Addresses where Abhilash P. Nambiar is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Abhilash P. Nambiar as a member of this group (CMS data updated October 2, 2026).

  • Arizona Digestive Health PC136 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Arizona →

Other radiation oncologists in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All radiation oncologists in Tucson →

Other clinicians in Arizona Digestive Health PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Virginia School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013126440
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians