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Diagnostic Radiology

Nicolas J. Cardenas, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Nicolas J. Cardenas, MD is a radiologist at 1515 Holcombe Blvd, Houston, TX 77030. Phone: (713) 792-2121. Accepts Medicare assignment. In 2024, Nicolas J. Cardenas had 704 Original Medicare patients and 1,200 services. NPI 1518490085. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1515 Holcombe Blvd, Houston, TX 77030 · Directions
  • Phone: (713) 792‑2121
  • Medicare: Accepts Medicare assignment
  • Group practice: Physicians Referral Service
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Nicolas J. Cardenas, 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 Nicolas J. Cardenas accept Medicare assignment?
Yes. Medicare's clinician data says Nicolas J. Cardenas 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 Nicolas J. Cardenas see?
In 2024, CMS data shows 704 Original Medicare patients and 1,200 services for Nicolas J. Cardenas. This counts Original Medicare only and measures volume, not quality.
What is Nicolas J. Cardenas's NPI number?
1518490085. 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 Nicolas J. Cardenas, 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 patients704
Services billed to Medicare1,200
Different services or procedures159
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. X-ray of chest, 1 view (71045)221 services
  2. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)75 services
  3. Ultrasonic guidance for needle placement (76942)59 services
  4. X-ray of chest, 2 views (71046)57 services
  5. Review by radiologist of ct guidance for needle placement (77012)50 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%
  • Arthritis53%
  • Chronic kidney disease47%
  • Diabetes46%
  • Ischemic heart disease45%

Practice locations

Addresses where Nicolas J. Cardenas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nicolas J. Cardenas as a member of this group (CMS data updated October 2, 2026).

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Houston

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

All radiologists in Houston →

Other clinicians in Physicians Referral Service

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

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1518490085
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