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Nephrology

Harini A. Chakkera, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Harini A. Chakkera, MD is a nephrologist at 13400 E Shea Blvd, Scottsdale, AZ 85259. Phone: (480) 301-8000. Accepts Medicare assignment. In 2024, Harini A. Chakkera had 144 Original Medicare patients and 287 services. NPI 1396720793. 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.

  • Specialty: Nephrologist (Medicare lists Nephrology)
  • Address: 13400 E Shea Blvd, Scottsdale, AZ 85259 · Directions
  • Phone: (480) 301‑8000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mayo Clinic Hospital
  • Group practice: Mayo Clinic Arizona
  • Medical school: graduated 1994 (32 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 Harini A. Chakkera, 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 Harini A. Chakkera accept Medicare assignment?
Yes. Medicare's clinician data says Harini A. Chakkera 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 Harini A. Chakkera see?
In 2024, CMS data shows 144 Original Medicare patients and 287 services for Harini A. Chakkera. This counts Original Medicare only and measures volume, not quality.
What is Harini A. Chakkera's NPI number?
1396720793. 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 Harini A. Chakkera, 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 patients144
Services billed to Medicare287
Different services or procedures14
Participating Medicare providerYes
Average age of these patients61

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)180 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)36 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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%
  • Chronic kidney disease75%
  • Diabetes69%
  • Heart failure44%
  • Ischemic heart disease38%

Hospitals where Harini A. Chakkera works

Medicare's Facility Affiliation Data lists Harini A. Chakkera 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.

  • Mayo Clinic HospitalPhoenix, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030103

Practice locations

Addresses where Harini A. Chakkera is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Harini A. Chakkera as a member of this group (CMS data updated October 2, 2026).

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Nephrology doctors in Arizona →

Other nephrologists in Scottsdale

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

All nephrologists in Scottsdale →

Other clinicians in Mayo Clinic Arizona

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

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1396720793
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