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Internal Medicine

Anita M. Chacko, DO

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Anita M. Chacko, DO is an internal medicine doctor at 2025 W Northern Ave, Phoenix, AZ 85021. Phone: (602) 655-6300. Accepts Medicare assignment. NPI 1134784424. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2025 W Northern Ave, Phoenix, AZ 85021 · Directions
  • Phone: (602) 655‑6300
  • Medicare: Accepts Medicare assignment
  • Hospital: Valleywise Health Medical Center
  • Group practice: Maricopa County Special Health Care District
  • Medical school: Lake Erie College Of Osteopathic Medicine, Bradenton · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anita M. Chacko, 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 Anita M. Chacko accept Medicare assignment?
Yes. Medicare's clinician data says Anita M. Chacko 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.
What is Anita M. Chacko's NPI number?
1134784424. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anita M. Chacko works

Medicare's Facility Affiliation Data lists Anita M. Chacko 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 Anita M. Chacko is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anita M. Chacko as a member of this group (CMS data updated October 2, 2026).

  • Maricopa County Special Health Care District118 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

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

All internal medicine doctors in Phoenix →

Other clinicians in Maricopa County Special Health Care District

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

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Bradenton
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134784424
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians