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Allergy/Immunology

Patricia H. Stewart, MD

Works at hospitals in Jackson, MS · McComb, MS · Mississippi

Summary

Dr. Patricia H. Stewart, MD is an allergist and immunologist at 100 Brandon Rd, Starkville, MS 39759. Phone: (601) 354-4836. May accept Medicare assignment. In 2024, Patricia H. Stewart had 114 Original Medicare patients and 8,580 services. NPI 1689803918. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 100 Brandon Rd, Starkville, MS 39759 · Directions (3 more locations)
  • Phone: (601) 354‑4836
  • Medicare: May accept Medicare assignment
  • Hospitals: Mississippi Baptist Medical Center, Southwest MS Regional Medical Center
  • Group practice: Mississippi Asthma and Allergy Clinic PA
  • Medical school: University Of Mississippi School Of Medicine · graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Patricia H. Stewart, 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 Patricia H. Stewart accept Medicare assignment?
Medicare's clinician data says Patricia H. Stewart may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Patricia H. Stewart see?
In 2024, CMS data shows 114 Original Medicare patients and 8,580 services for Patricia H. Stewart. This counts Original Medicare only and measures volume, not quality.
What is Patricia H. Stewart's NPI number?
1689803918. 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 Patricia H. Stewart, 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 patients114
Services billed to Medicare8,580
Different services or procedures39
Participating Medicare providerYes
Average age of these patients69

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)88 services
  2. Injection of drug or substance under skin or into muscle (96372)78 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)67 services
  4. Test to measure expiratory airflow and volume (94010)37 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)14 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 cholesterol71%
  • Arthritis57%
  • Asthma42%
  • Diabetes29%
  • Ischemic heart disease27%

Hospitals where Patricia H. Stewart works

Medicare's Facility Affiliation Data lists Patricia H. Stewart 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 Patricia H. Stewart is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Patricia H. Stewart as a member of this group (CMS data updated October 2, 2026).

  • Mississippi Asthma and Allergy Clinic PA14 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Mississippi →

Other allergist and immunologists in Mississippi

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

All allergist and immunologists in Mississippi →

Other clinicians in Mississippi Asthma and Allergy Clinic PA

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

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1689803918
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