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Internal Medicine

Patrick Williamson, MD

Sees patients in Birmingham, AL · Alabama

Summary

Patrick Williamson, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Birmingham, AL. NPI 1730884776. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Patrick Williamson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
3Years since medical school (graduated 2023)
MaleGender (as listed)
Oak Mountain Group Services, LLCGroup practice

Quick answers

Where does Patrick Williamson see patients?
Medicare's clinician data lists 1 practice location in Birmingham, AL. Call before your visit to confirm the address.
What is Patrick Williamson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Patrick Williamson accept Medicare assignment?
Yes. Medicare's clinician data says Patrick Williamson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Patrick Williamson?
(205) 971-1000, as listed in official Medicare / NPI Registry data.
What is Patrick Williamson's NPI number?
1730884776. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Patrick Williamson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Patrick Williamson as a member of this group (CMS data updated 2026-10-02).

  • Oak Mountain Group Services, LLC61 clinicians in the group

Specialties

Find other Internal Medicine doctors in Alabama →

Other internal medicine doctors in Birmingham

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

All internal medicine doctors in Birmingham →

Clinician information

CredentialMD
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730884776
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians