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Endocrinology

Vijayaratna Chockalingam, MD

Works at hospitals in Phoenix, AZ · Glendale, AZ · Arizona

Summary

Dr. Vijayaratna Chockalingam, MD is an endocrinologist at 10401 W Thunderbird Blvd, Sun City, AZ 85351. Phone: (623) 832-4000. Accepts Medicare assignment. In 2024, Vijayaratna Chockalingam had 337 Original Medicare patients and 5,676 services. NPI 1225299332. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Vijayaratna Chockalingam, 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 Vijayaratna Chockalingam accept Medicare assignment?
Yes. Medicare's clinician data says Vijayaratna Chockalingam 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 Vijayaratna Chockalingam see?
In 2024, CMS data shows 337 Original Medicare patients and 5,676 services for Vijayaratna Chockalingam. This counts Original Medicare only and measures volume, not quality.
What is Vijayaratna Chockalingam's NPI number?
1225299332. 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 Vijayaratna Chockalingam, 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 patients337
Services billed to Medicare5,676
Different services or procedures12
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)3,180 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)366 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)339 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)90 services
  5. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)80 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%
  • Diabetes53%
  • Arthritis53%
  • Chronic kidney disease42%
  • Osteoporosis41%

Hospitals where Vijayaratna Chockalingam works

Medicare's Facility Affiliation Data lists Vijayaratna Chockalingam at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Vijayaratna Chockalingam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vijayaratna Chockalingam as a member of this group (CMS data updated October 2, 2026).

  • Banner Physician Specialists Arizona LLC373 clinicians in the group

Specialties

Find other Endocrinology doctors in Arizona →

Other endocrinologists in Sun City

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

All endocrinologists in Sun City →

Other clinicians in Banner Physician Specialists Arizona LLC

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225299332
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians