NPPES file of Aug 9, 2026

Walter Hamilton, MD

Internal Medicine Physician · Mobile, AL

Walter Hamilton, MD is an internal medicine physician with a practice address in Mobile, Alabama, and NPI 1437119567, issued on Mar 24, 2006. Check the license (Alabama MD.26045, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437119567
Name
Walter Hamilton
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD.26045 AL
Self-reported in NPPES; status is on the state search
Practice location
1956 Duval St, Mobile, AL 36106
Phone
(251) 471-3747
Enumerated
Mar 24, 2006
Record last updated
May 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(251) 450-1445
Medicaid IDs
009936706 AL
009936703 AL
009935872 AL
009937952 AL
Medicare enrollment
Enrolled (PECOS I20040825000926); accepts Medicare assignment
Medical or professional school
Medical College Of Ohio, 2001
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Walter Hamilton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license MD.26045
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Alabama license search

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89% fewer Medicare Part D claims than the average internal medicine physician in 2024

337 Medicare Part D claims for 201 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 106 claims were for opioids.

  1. Walter Hamilton337
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen77 claims
  2. Ibuprofen33 claims
  3. Cephalexin32 claims
  4. Methocarbamol20 claims
  5. Oxycodone-Acetaminophen19 claims
  6. Ondansetron Hcl18 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: $11.66

1 payment: food and beverage; the largest payer was Btg International, 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.

  1. Walter Hamilton$11.66
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Baldwin Emergency Physicians, P.C..Mobile, AL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Walter Hamilton among 1,705 internal medicine physician records in Alabama

Walter Hamilton, 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 fileYes · 67% of these records are
  • Graduated2001 · median 2003 among the 1,136 with a school on file
  • 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).

255 internal medicine physician records list a practice address in Mobile

They are 255 of the 6,309 NPPES records with a practice address in Mobile, and 1,705 internal medicine physician records in Alabama.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Malcolm Brown, MDMontgomery, AL 361061811953839
  2. Xiongying Chen, MDMontgomery, AL 361061306807599
  3. Leon Davis, MDMontgomery, AL 361061265493134
  4. Gerald Lim, MDMontgomery, AL 361061407819014
  5. James McLaughlin, MDMontgomery, AL 361061568453124
  6. Raghu Mukkamala, MDMontgomery, AL 361061720079395
  7. Rakeshkumar Patel, MDMontgomery, AL 361061285625442
  8. Praful Patel, MDMontgomery, AL 361061386607984

Common questions

What is Walter Hamilton, MD's NPI number?

Walter Hamilton, MD's National Provider Identifier (NPI) is 1437119567, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Walter Hamilton, MD located?

The NPPES record lists a practice address at 1956 Duval St, Mobile, AL, 36106. Phone: (251) 471-3747. Providers update this record themselves, so call before visiting.

How can I verify Walter Hamilton, MD's license?

NPPES lists Alabama license number MD.26045, 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 Walter Hamilton, MD prescribe under Medicare Part D?

In 2024, Walter Hamilton, MD had 337 Medicare Part D claims for 201 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.