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Gastroenterology

Alfred E. McNair Jr., MD

Works at hospitals in Gulfport, MS · Biloxi, MS · Pascagoula, MS · Mississippi

Summary

Dr. Alfred E. McNair Jr., MD is a gastroenterologist at 2809 Denny Ave, Pascagoula, MS 39581. Phone: (228) 809-5000. Accepts Medicare assignment. In 2024, Alfred E. McNair Jr. had 837 Original Medicare patients and 2,149 services. NPI 1700885746. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Alfred E. McNair Jr., 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 Alfred E. McNair Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Alfred E. McNair Jr. 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 Alfred E. McNair Jr. see?
In 2024, CMS data shows 837 Original Medicare patients and 2,149 services for Alfred E. McNair Jr.. This counts Original Medicare only and measures volume, not quality.
What is Alfred E. McNair Jr.'s NPI number?
1700885746. 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 Alfred E. McNair Jr., 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 patients837
Services billed to Medicare2,149
Different services or procedures53
Participating Medicare providerYes
Average age of these patients73

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)559 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)460 services
  3. Biopsy of large bowel using a flexible endoscope (45380)300 services
  4. Insertion of guide wire with dilation of esophagus using a flexible endoscope (43248)193 services
  5. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)89 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 cholesterol75%
  • Arthritis55%
  • Diabetes35%
  • Chronic kidney disease31%
  • Ischemic heart disease30%

Hospitals where Alfred E. McNair Jr. works

Medicare's Facility Affiliation Data lists Alfred E. McNair Jr. 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 Alfred E. McNair Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alfred E. McNair Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Memorial Hospital at Gulfport474 clinicians in the group
  • Singing River Health System295 clinicians in the group
  • Digestive Health Center PA2 clinicians in the group

Specialties

Find other Gastroenterology doctors in Mississippi →

Other gastroenterologists in Pascagoula

Clinicians with the same Medicare primary specialty in Pascagoula, MS — not a recommendation.

All gastroenterologists in Pascagoula →

Other clinicians in Memorial Hospital at Gulfport

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

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700885746
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