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Pulmonary Disease

Allan F. Seibert Iv, MD

Works at hospitals in Mobile, AL · Alabama

Summary

Dr. Allan F. Seibert Iv, MD is a pulmonologist at 5955 Airport Blvd, Mobile, AL 36608. Phone: (251) 633-0573. Accepts Medicare assignment. In 2024, Allan F. Seibert Iv had 265 Original Medicare patients and 4,059 services. NPI 1801872353. 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 Allan F. Seibert Iv, 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 Allan F. Seibert Iv accept Medicare assignment?
Yes. Medicare's clinician data says Allan F. Seibert Iv 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 Allan F. Seibert Iv see?
In 2024, CMS data shows 265 Original Medicare patients and 4,059 services for Allan F. Seibert Iv. This counts Original Medicare only and measures volume, not quality.
What is Allan F. Seibert Iv's NPI number?
1801872353. 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 Allan F. Seibert Iv, 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 patients265
Services billed to Medicare4,059
Different services or procedures49
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)1,880 services
  2. X-ray of chest, 2 views (71046)248 services
  3. Test to examine how well the lungs exchange gases (94729)185 services
  4. Critical care, first 30-74 minutes (99291)174 services
  5. Test to determine lung volumes using gas dilution or washout (94727)163 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%
  • COPD64%
  • Ischemic heart disease58%
  • Arthritis52%
  • Diabetes42%

Hospitals where Allan F. Seibert Iv works

Medicare's Facility Affiliation Data lists Allan F. Seibert Iv 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 Allan F. Seibert Iv is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Allan F. Seibert Iv as a member of this group (CMS data updated October 2, 2026).

  • Pulmonary Associates of Mobile PC36 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Alabama →

Other pulmonologists in Mobile

Clinicians with the same Medicare primary specialty in Mobile, AL — not a recommendation.

All pulmonologists in Mobile →

Other clinicians in Pulmonary Associates of Mobile PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Alabama College Of Medicine
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801872353
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