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Internal Medicine

Sonal P. Haerter, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Sonal P. Haerter, MD is an internal medicine doctor at 500 W Thomas Rd, 680 Dhmg St Joseph'S Pelvic Pain and Surg, Phoenix, AZ 85013. Phone: (602) 406-6017. Accepts Medicare assignment. In 2024, Sonal P. Haerter had 76 Original Medicare patients and 182 services. NPI 1619980737. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 500 W Thomas Rd, 680 Dhmg St Joseph'S Pelvic Pain and Surg, Phoenix, AZ 85013 · Directions (1 more location)
  • Phone: (602) 406‑6017
  • Medicare: Accepts Medicare assignment
  • Hospital: St Josephs Hospital and Medical Center
  • Group practice: SJHMC Physician Services
  • Medical school: graduated 1997 (29 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sonal P. Haerter, 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 Sonal P. Haerter accept Medicare assignment?
Yes. Medicare's clinician data says Sonal P. Haerter 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 Sonal P. Haerter see?
In 2024, CMS data shows 76 Original Medicare patients and 182 services for Sonal P. Haerter. This counts Original Medicare only and measures volume, not quality.
What is Sonal P. Haerter's NPI number?
1619980737. 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 Sonal P. Haerter, 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 patients76
Services billed to Medicare182
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)89 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)16 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 cholesterol75%
  • High blood pressure62%
  • Arthritis43%
  • Osteoporosis36%
  • Diabetes25%
  • Ischemic heart disease24%

Hospitals where Sonal P. Haerter works

Medicare's Facility Affiliation Data lists Sonal P. Haerter 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 Sonal P. Haerter is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sonal P. Haerter as a member of this group (CMS data updated October 2, 2026).

  • SJHMC Physician Services646 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 SJHMC Physician Services

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

Clinician information

CredentialMD
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619980737
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