Arthur Michael Williams, MD
Internal Medicine Physician · Huntsville, AL
Arthur Michael Williams, MD is an internal medicine physician with a practice address in Huntsville, Alabama, and NPI 1811949753, issued on May 17, 2006. Check the license (Alabama 021846, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Arthur Michael Williams
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 021846 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Dr SW, Huntsville, AL 35801
- Phone
- (125) 688-2000
- Enumerated
- May 17, 2006
- Record last updated
- Jun 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (125) 688-2199
- Medicaid ID
- 051528440 AL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 1 Hospital Dr SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arthur Michael Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 021846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,922 Medicare Part D claims for 314 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 37 claims were for opioids.
Most prescribed
- Amlodipine Besylate171 claims
- Atorvastatin Calcium135 claims
- Losartan Potassium108 claims
- Omeprazole96 claims
- Levothyroxine Sodium93 claims
- Simvastatin78 claims
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.
Industry payments in 2024: $116.15
1 payment: food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Arthur Michael Williams among 1,705 internal medicine physician records in Alabama
Arthur Michael Williams, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2010 · 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).
98 internal medicine physician records list a practice address in Huntsville
They are 98 of the 5,555 NPPES records with a practice address in Huntsville, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Huntsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bala Chennupati, M.D.Huntsville, AL 358011922080084
- Don Evans, MDHuntsville, AL 358011710969522
- John Fanning, MDHuntsville, AL 358011417938762
- Carolyn Herrington, M.D.Huntsville, AL 358011669453411
- Rupen Joshi, M.D.Huntsville, AL 358011457341463
- Zaheer Khan, M.D.Huntsville, AL 358011669454351
- Martin Lynn, M.D.Huntsville, AL 358011760464820
- Dibyajiban Mahapatra, M.D.Huntsville, AL 358011639163769
Common questions
What is Arthur Michael Williams, MD's NPI number?
Arthur Michael Williams, MD's National Provider Identifier (NPI) is 1811949753, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Michael Williams, MD located?
The NPPES record lists a practice address at 1 Hospital Dr SW, Huntsville, AL, 35801. Phone: (125) 688-2000. Providers update this record themselves, so call before visiting.
How can I verify Arthur Michael Williams, MD's license?
NPPES lists Alabama license number 021846, 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 Arthur Michael Williams, MD prescribe under Medicare Part D?
In 2024, Arthur Michael Williams, MD had 2,922 Medicare Part D claims for 314 beneficiaries; 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.