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Radiation Oncology

Chelsea C. Pinnix, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Chelsea C. Pinnix, MD is a radiation oncologist at 1840 Old Spanish Trl, Houston, TX 77054. Phone: (866) 632-5782. Accepts Medicare assignment. In 2024, Chelsea C. Pinnix had 96 Original Medicare patients and 838 services. NPI 1609069319. 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: 1840 Old Spanish Trl, Houston, TX 77054 · Directions (1 more location)
  • Phone: (866) 632‑5782
  • Medicare: Accepts Medicare assignment
  • Group practice: Physicians Referral Service
  • Medical school: Perelman School Of Med At The University Of Pennsylvania · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Chelsea C. Pinnix, 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 Chelsea C. Pinnix accept Medicare assignment?
Yes. Medicare's clinician data says Chelsea C. Pinnix 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 Chelsea C. Pinnix see?
In 2024, CMS data shows 96 Original Medicare patients and 838 services for Chelsea C. Pinnix. This counts Original Medicare only and measures volume, not quality.
What is Chelsea C. Pinnix's NPI number?
1609069319. 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 Chelsea C. Pinnix, 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 patients96
Services billed to Medicare838
Different services or procedures28
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Design and construction of complex radiation treatment device (77334)163 services
  2. Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)138 services
  3. Calculation of radiation therapy dose (77300)134 services
  4. Ct guidance for insertion of radiation therapy fields (77014)66 services
  5. Radiation treatment management, 5 treatment sessions (77427)46 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 blood pressure75%
  • High cholesterol75%
  • Arthritis52%
  • Ischemic heart disease41%
  • Chronic kidney disease34%
  • Anxiety33%

Practice locations

Addresses where Chelsea C. Pinnix is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chelsea C. Pinnix as a member of this group (CMS data updated October 2, 2026).

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Texas →

Other radiation oncologists in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All radiation oncologists in Houston →

Other clinicians in Physicians Referral Service

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

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609069319
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