NPPES file of Aug 9, 2026

John Luis Viechweg, MD

Internal Medicine Physician · Gainesville, GA

John Luis Viechweg, MD is an internal medicine physician with a practice address in Gainesville, Georgia, and NPI 1790263150, issued on Jul 29, 2018. Check the license (Georgia 110650, as entered in NPPES) on the Georgia Composite Medical Board; 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
1790263150
Name
John Luis Viechweg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
110650 GA
Self-reported in NPPES; status is on the state search
Practice location
743 Spring St NE, Gainesville, GA 30501
Phone
(770) 219-9000
Enumerated
Jul 29, 2018
Record last updated
Feb 23, 2026
Medicare enrollment
Enrolled (PECOS I20210915000967); accepts Medicare assignment
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 743 Spring St NE

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

  1. Raza Abbas, M.D.Interventional Cardiology Physician1245549112
  2. Eltigani Abdelhai, MDInternal Medicine Physician1538233531
  3. Ahmad Abdussalam, MDCritical Care Medicine (Internal Medicine) Physician1134317316
  4. Richard Adams, DOStudent in an Organized Health Care Education/Training Program1164279741
  5. Jennifer Adamski, ARNP,ACNP-BCCritical Care Medicine Nurse Practitioner1649387648
  6. Joanna Addison, AGACNP-BCAcute Care Nurse Practitioner1942096649

Verify John Luis Viechweg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 110650
    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 Georgia 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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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

630 Medicare Part D claims for 216 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. John Luis Viechweg630
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass32 claims
  2. Eliquis30 claims
  3. Amlodipine Besylate26 claims
  4. Prednisone21 claims
  5. Torsemide17 claims
  6. Furosemide16 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 4 group practices

  1. Hospital Physician Services - Southeast Professional CorporationSnellville, GA
  2. Southeastern Medical Specialists, LLCToccoa, GA
  3. Unc Physicians Network LLCKinston, NC
  4. Vidant Medical Group LLCKinston, NC

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

John Luis Viechweg among 3,911 internal medicine physician records in Georgia

John Luis Viechweg, MD is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.

  • NPI issued2018 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2018 · median 2005 among the 2,535 with a school on file
  • Record last updated2026 · 51% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 internal medicine physician records list a practice address in Gainesville

They are 81 of the 2,998 NPPES records with a practice address in Gainesville, and 3,911 internal medicine physician records in Georgia.

The 8 internal medicine physician records with the nearest ZIP codes

  1. William Burns, M,D.Gainesville, GA 305011154314953
  2. C. Shane Bussler, M.D.Gainesville, GA 305011609879881
  3. Margaret Davis, MDGainesville, GA 305011811989411
  4. Richard Gomez, M.D.Gainesville, GA 305011316940554
  5. John Henson, M.D.Gainesville, GA 305011841293958
  6. Daniel Henson, M.D.Gainesville, GA 305011780687756
  7. James Jackson, M.D.Gainesville, GA 305011003819111
  8. Bradley Pierce, M.D.Gainesville, GA 305011841293818

Common questions

What is John Luis Viechweg, MD's NPI number?

John Luis Viechweg, MD's National Provider Identifier (NPI) is 1790263150, issued on Jul 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is John Luis Viechweg, MD located?

The NPPES record lists a practice address at 743 Spring St NE, Gainesville, GA, 30501. Phone: (770) 219-9000. Providers update this record themselves, so call before visiting.

How can I verify John Luis Viechweg, MD's license?

NPPES lists Georgia license number 110650, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Luis Viechweg, MD prescribe under Medicare Part D?

In 2024, John Luis Viechweg, MD had 630 Medicare Part D claims for 216 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.