PATRICK WILLIAMSON
NPI 1730884776
Internal Medicine in Birmingham, AL

Q: What is Patrick Williamson's NPI number?

The NPI number for Patrick Williamson is 1730884776. It was assigned to this individual provider in the NPPES registry on March 31, 2023.

Q: What is Patrick Williamson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 31, 2023PECOS EnrolledAccepts Medicare Assignment

625 19TH ST S, BIRMINGHAM, AL 35233(205) 934-9666 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 9, 2026, Mar 31, 2023 (2 updates tracked since 2023).

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About Patrick Williamson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK WILLIAMSON (NPI 1730884776) is an individual internal medicine provider in Birmingham, Alabama, licensed in Alabama (MD.50163) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1730884776

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NamePATRICK WILLIAMSON

Location Address625 19TH ST SBirmingham, AL 35233-1900

Mailing Address625 19th St SBirmingham, AL 35233-1900 · (205) 934-9666

Phone(205) 934-9666

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMarch 31, 2023

Last NPPES UpdateApril 9, 20262 updates tracked since enumeration

NPPES CertifiedApril 9, 2026

✔ NPI 1730884776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AL · MD.50163

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

625 19TH ST S, Birmingham, AL 35233

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Patrick Williamson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264891043

PECOS Enrollment IDI20260422002784

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Patrick Williamson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Oak Mountain Group Services, LLC

6.5 mi

Physical Medicine & Rehabilitation

3070 HEALTHY WAY
Vestavia Hills, AL 35243

Reassigned Medicare billing, Alabama enrollment
215 clinicians in this Medicare group

NPI 1609321165 (205) 977-7216

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.31 typical visit price

range $52.65 – $161.63

Typical copayment $30.57 (range $13.16 – $40.40)

Most-billed visit code 99204

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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