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Internal Medicine

Alejandra P. Siddalingaiah, MD

Sees patients in Milwaukee, WI · Wisconsin

Summary

Dr. Alejandra P. Siddalingaiah, MD is an internal medicine doctor at 3003 W Good Hope Rd, Milwaukee, WI 53209. Phone: (414) 352-3100. Accepts Medicare assignment. In 2024, Alejandra P. Siddalingaiah had 22 Original Medicare patients and 86 services. NPI 1205244001. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3003 W Good Hope Rd, Milwaukee, WI 53209 · Directions
  • Phone: (414) 352‑3100
  • Medicare: Accepts Medicare assignment
  • Group practice: Aurora Advanced Healthcare, Inc.
  • Medical school: graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alejandra P. Siddalingaiah, 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 Alejandra P. Siddalingaiah accept Medicare assignment?
Yes. Medicare's clinician data says Alejandra P. Siddalingaiah 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 Alejandra P. Siddalingaiah see?
In 2024, CMS data shows 22 Original Medicare patients and 86 services for Alejandra P. Siddalingaiah. This counts Original Medicare only and measures volume, not quality.
What is Alejandra P. Siddalingaiah's NPI number?
1205244001. 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 Alejandra P. Siddalingaiah, 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 patients22
Services billed to Medicare86
Different services or procedures4
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)59 services
  2. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)21 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 cholesterol68%
  • Anxiety68%
  • Alzheimer's disease or dementia68%
  • Depression64%
  • Arthritis55%

Practice locations

Addresses where Alejandra P. Siddalingaiah is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group

Specialties

Find other Internal Medicine doctors in Wisconsin →

Other internal medicine doctors in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

All internal medicine doctors in Milwaukee →

Other clinicians in Aurora Advanced Healthcare, Inc.

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)
NPI (National Provider Identifier)1205244001
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