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Allergy/Immunology

Sudha G. Prasad, MD

Sees patients in Springfield, IL · Illinois

Summary

Dr. Sudha G. Prasad, MD is an allergist and immunologist at 901 S Koke Mill Rd, Springfield, IL 62711. Phone: (217) 546-4868. Accepts Medicare assignment. In 2024, Sudha G. Prasad had 80 Original Medicare patients and 2,078 services. NPI 1417120189. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 901 S Koke Mill Rd, Springfield, IL 62711 · Directions
  • Phone: (217) 546‑4868
  • Medicare: Accepts Medicare assignment
  • Group practice: Springfield Clinic, LLP
  • Medical school: graduated 1970 (56 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sudha G. Prasad, 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 Sudha G. Prasad accept Medicare assignment?
Yes. Medicare's clinician data says Sudha G. Prasad 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 Sudha G. Prasad see?
In 2024, CMS data shows 80 Original Medicare patients and 2,078 services for Sudha G. Prasad. This counts Original Medicare only and measures volume, not quality.
What is Sudha G. Prasad's NPI number?
1417120189. 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 Sudha G. Prasad, 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 patients80
Services billed to Medicare2,078
Different services or procedures28
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Professional service for preparation and provision of 1 or more antigens (95165)796 services
  2. Professional service for multiple injections of allergen (95117)546 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)22 services
  5. Administration and interpretation of patient-focused health risk assessment (96160)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 pressure60%
  • Asthma49%
  • Arthritis46%
  • Diabetes30%
  • Ischemic heart disease26%

Practice locations

Addresses where Sudha G. Prasad is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sudha G. Prasad as a member of this group (CMS data updated October 2, 2026).

  • Springfield Clinic, LLP687 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Illinois →

Other allergist and immunologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All allergist and immunologists in Illinois →

Other clinicians in Springfield Clinic, LLP

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

Clinician information

CredentialMD
Graduation year1970 (56 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417120189
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