WILLIAM MICHAEL HALL (MD) – Internal Medicine Physician, NPI 1194770222

WILLIAM MICHAEL HALL (MD) is a healthcare provider. based in Birmingham, Alabama. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 8832 (AL). The NPI Number for WILLIAM MICHAEL HALL (MD) is 1194770222

Main info

Male
48 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM MICHAEL HALL (MD)
NPI
1194770222
Phone
Not provided
Address
1130 22ND ST S STE 1000
Enumeration Date
24 May 2006
Last Update Date
4 December 2018

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
2053874000
Graduation Year
1978 (48 years ago)
PAC ID
7517854698
Group Practice PAC ID
5597774554
Professional Enrollment ID
I20060208000472
Address ID
AL355018956JA3400XEXXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,215 INTERNAL MEDICINE in AL

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Provider Addresses for WILLIAM MICHAEL HALL (MD)

  • 1000, 22nd Street South, Highland Avenue Historic District, Five Points South, Birmingham, Jefferson County, Alabama, 35205, United States

    BIRMINGHAM, AL 352052881

    Phone:

    Type: Mailing

  • E, Jasper County, Indiana, United States

    JASPER, AL 355018956

    Phone: (205) 387-4401

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $17.

Total Amount is formed as General ($17) + Research ($0) + Ownership ($0) = $17.

Last reported payment date: 2023-06-21 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($17).

Total Amount

$17

General + Research + Ownership

Payments

1

Total payment records

General Amount

$17

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-21

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-02-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060208000472IInternal MedicineALTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes248117$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes9554$0
99239Hospital discharge day management, more than 30 minutes5756$0
99238Hospital discharge day management, 30 minutes or less4746$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes3434$0
View full utilization report →

Insurance plans in this area (ZIP 35205)

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Provider's Procedures

WILLIAM MICHAEL HALL (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEAL73630X-ray of foot, minimum of 3 views1111
INTERNAL MEDICINEAL81002Urinalysis, manual test6957
INTERNAL MEDICINEAL85610Blood test, clotting time34836
INTERNAL MEDICINEAL93971Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers2020

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5597774554View full group profile
NameSpecialtyState
-FL
-GA
-GA
Internal MedicineFL
Internal Medicine, HospitalistKY
Internal MedicineGA
Internal MedicineAL
H O S P I T A L I S TCA
-AL
Physician AssistantGA

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Frequently asked questions

How is WILLIAM MICHAEL HALL (MD) identified in CMS data?
CMS-hosted NPPES data lists WILLIAM MICHAEL HALL (MD) with NPI 1194770222.
Is WILLIAM MICHAEL HALL (MD) listed as active for patients and plans?
The listing shows WILLIAM MICHAEL HALL (MD) as active in the NPI system.
What is WILLIAM MICHAEL HALL (MD) best known for clinically?
Directory data describes WILLIAM MICHAEL HALL (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What address line appears for WILLIAM MICHAEL HALL (MD)?
WILLIAM MICHAEL HALL (MD)'s geographic hint is Birmingham, Alabama in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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