NPPES file of Aug 9, 2026

Justin Brett Mendel, M.D.

Gastroenterology Physician · Atlanta, GA

Justin Brett Mendel, M.D. is a gastroenterology physician with a practice address in Atlanta, Georgia, and NPI 1669791836, issued on May 26, 2010. Check the license (Georgia 072362, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669791836
Name
Justin Brett Mendel
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
072362 GA
Self-reported in NPPES; status is on the state search
Practice location
5671 Peachtree Dunwoody RD Ste 600, Atlanta, GA 30342
Phone
(404) 257-9000
Enumerated
May 26, 2010
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170511002917); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 2010
Telehealth
Offers telehealth (CMS)
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 5671 Peachtree Dunwoody RD Ste 600

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

  1. Girish Anand, M.D.Gastroenterology Physician1962616946
  2. Michelle Clermont, M.D.Gastroenterology Physician1174966204
  3. Kimberly Savage, CNPAcute Care Nurse Practitioner1336482918
  4. Lucille Von Roemer, CNPNurse Practitioner1700573128

Verify Justin Brett Mendel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 072362
    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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27% more Medicare Part D claims than the average gastroenterology physician in 2024

1,030 Medicare Part D claims for 404 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Justin Mendel1,030
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf150 claims
  2. Pantoprazole Sodium145 claims
  3. Omeprazole143 claims
  4. Famotidine87 claims
  5. Linzess47 claims
  6. Lansoprazole44 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score56.5
  2. Costout of 100 · 30%78.1
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,494.58

76 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Justin Mendel$1,494.58
  2. Specialty average$5,015.95

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

Bills Medicare through 2 group practices

  1. Aga Professional Services LLCAtlanta, GA
  2. Aga, LLCAtlanta, GA

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

Justin Brett Mendel among 530 gastroenterology physician records in Georgia

Justin Brett Mendel, M.D. is one of 530 gastroenterology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 75% of them.

  • NPI issued2010 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2010 · median 2001 among the 397 with a school on file
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Georgia

There are 530 gastroenterology physician records in Georgia.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. David Brandenburg, MDAtlanta, GA 303421821088790
  2. Kelly Carson, M.D.Atlanta, GA 303421801859327
  3. Robert Eisenband, MDAtlanta, GA 303421053301390
  4. Richard Friedman, MDAtlanta, GA 303421518958537
  5. Luis Galvez, MDAtlanta, GA 303421326039231
  6. Agnes Han, M.D.Atlanta, GA 303421841268364
  7. Hetal Karsan, MDAtlanta, GA 303421063402881
  8. Russell Kramer, MDAtlanta, GA 303421861476830

Common questions

What is Justin Brett Mendel, M.D.'s NPI number?

Justin Brett Mendel, M.D.'s National Provider Identifier (NPI) is 1669791836, issued on May 26, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Justin Brett Mendel, M.D. located?

The NPPES record lists a practice address at 5671 Peachtree Dunwoody RD Ste 600, Atlanta, GA, 30342. Phone: (404) 257-9000. Providers update this record themselves, so call before visiting.

How can I verify Justin Brett Mendel, M.D.'s license?

NPPES lists Georgia license number 072362, 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 Justin Brett Mendel, M.D. prescribe under Medicare Part D?

In 2024, Justin Brett Mendel, M.D. had 1,030 Medicare Part D claims for 404 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Justin Brett Mendel, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.