Patrick Williamson
Internal Medicine Physician · Birmingham, AL
Patrick Williamson is an internal medicine physician with a practice address in Birmingham, Alabama, and NPI 1730884776, issued on Mar 31, 2023. Check the license (Alabama MD.50163, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Patrick Williamson
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.50163 AL
Self-reported in NPPES; status is on the state search - Practice location
- 625 19TH St S, Birmingham, AL 35233
- Phone
- (205) 934-9666
- Enumerated
- Mar 31, 2023
- Record last updated
- Apr 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20260422002784); may accept Medicare assignment
- Entity
- Type 1 · individual
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Also registered at 625 19TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patrick Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license MD.50163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
23 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Patrick Williamson among 1,705 internal medicine physician records in Alabama
Patrick Williamson is one of 1,705 internal medicine physician records with a practice address in Alabama. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2023 · median 2003 among the 1,136 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
487 internal medicine physician records list a practice address in Birmingham
They are 487 of the 15,795 NPPES records with a practice address in Birmingham, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Birmingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andrew Allen, M.D.Birmingham, AL 352331891759809
- Jeroan Allison, MDBirmingham, AL 352331003860016
- Cynthia Baker, MDBirmingham, AL 352331629023155
- Mary Balkovetz, MDBirmingham, AL 352331881641181
- Brenda Baumann, M.D.Birmingham, AL 352331568426583
- Raegan Durant, MD, MPHBirmingham, AL 352331073561262
- Michael Fleenor, M.D.Birmingham, AL 352331376515270
- Tracey Humbert, MDBirmingham, AL 352331588615314
Common questions
What is Patrick Williamson's NPI number?
Patrick Williamson's National Provider Identifier (NPI) is 1730884776, issued on Mar 31, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Williamson located?
The NPPES record lists a practice address at 625 19TH St S, Birmingham, AL, 35233. Phone: (205) 934-9666. Providers update this record themselves, so call before visiting.
How can I verify Patrick Williamson's license?
NPPES lists Alabama license number MD.50163, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Williamson prescribe under Medicare Part D?
In 2024, Patrick Williamson had 23 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.