NPPES file of Aug 9, 2026

John Clark M. Alves, MD

Internal Medicine Physician · Guntersville, AL

John Clark M. Alves, MD is an internal medicine physician with a practice address in Guntersville, Alabama, and NPI 1770003220, issued on Jun 26, 2017. Check the license (Alabama MD37591, 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
1770003220
Name
John Clark M. Alves
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD37591 AL
Self-reported in NPPES; status is on the state search
Practice location
8000 AL Highway 69, Guntersville, AL 35976
Phone
(256) 571-8000
Enumerated
Jun 26, 2017
Record last updated
Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210421002844); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 2017
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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Also registered at 8000 AL Highway 69

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Beaver, CRNPFamily Nurse Practitioner1952052631
  2. Dean Chassay, MDAnesthesiology Physician1629030648
  3. Arthur Cheung, CRNACertified Registered Nurse Anesthetist1073559266
  4. Gregory Ciaccio, M.D.Psychiatry Physician1679610760
  5. Laura DavisFamily Nurse Practitioner1558907006
  6. Joi Diamond, CRNPFamily Nurse Practitioner1598334963

Verify John Clark M. Alves 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 MD37591
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

378 Medicare Part D claims for 226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 50 claims were for opioids.

  1. John Clark Alves378
  2. Specialty average3,176

Most prescribed

  1. Ondansetron Odt46 claims
  2. Prednisone33 claims
  3. Hydrocodone-Acetaminophen32 claims
  4. Nitrofurantoin Mono-Macro27 claims
  5. Azithromycin20 claims
  6. Albuterol Sulfate Hfa18 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.

Bills Medicare through one group practice

  1. Marshall Medical Center NorthGuntersville, AL

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

John Clark M. Alves among 1,705 internal medicine physician records in Alabama

John Clark M. Alves, 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 2017, is newer than 77% of them.

  • NPI issued2017 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2017 · median 2003 among the 1,136 with a school on file
  • Record last updated2021 · 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).

8 internal medicine physician records list a practice address in Guntersville

They are 8 of the 577 NPPES records with a practice address in Guntersville, and 1,705 internal medicine physician records in Alabama.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stuart Foley, MDGuntersville, AL 359761508822842
  2. Jacob Hughes, MDGuntersville, AL 359761598108870
  3. Jonathan Matlock, D.O.Guntersville, AL 359761013272053
  4. Jacqueline Mir, DOGuntersville, AL 359761376075218
  5. Randall Stewart, MDGuntersville, AL 359761376681676
  6. William Stone, MDGuntersville, AL 359761851459424
  7. Craig Young, MDGuntersville, AL 359761194718155
  8. Luz Crystal, MDFort Payne, AL 359681972544153

Common questions

What is John Clark M. Alves, MD's NPI number?

John Clark M. Alves, MD's National Provider Identifier (NPI) is 1770003220, issued on Jun 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is John Clark M. Alves, MD located?

The NPPES record lists a practice address at 8000 AL Highway 69, Guntersville, AL, 35976. Phone: (256) 571-8000. Providers update this record themselves, so call before visiting.

How can I verify John Clark M. Alves, MD's license?

NPPES lists Alabama license number MD37591, 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 John Clark M. Alves, MD prescribe under Medicare Part D?

In 2024, John Clark M. Alves, MD had 378 Medicare Part D claims for 226 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.