Dr. Justin Brett Mendel, MD
- Medicare services, 2024
- 930
- Medicare patients, 2024
- 432
- Part D claims, 2024
- 1,030
- MIPS score, 2024
- 75
- Hospital affiliations
- 4
- Practice address
- 3000 Hospital Boulevard, Roswell, GA 30076
- Practice phone
- Call (770) 751-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mendel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Justin Brett Mendel is a gastroenterologist in Roswell, Georgia
Dr. Mendel practices at Wellstar North Fulton Medical Center in Roswell, Georgia, part of Wellstar Health System.
Dr. Mendel's NPI, 1669791836, was assigned on May 26, 2010. Dr. Mendel graduated from Emory University School of Medicine in 2010. Dr. Mendel holds Georgia license 072362.
- NPI
- 1669791836NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335441187
- NPI enumeration date
- May 26, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (770) 751-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Brett Mendel practices at Wellstar North Fulton Medical Center in Roswell, Georgia
Dr. Mendel's primary practice is Wellstar North Fulton Medical Center, at 3000 Hospital Boulevard, Roswell, GA 30076 in Fulton County. The practice phone is (770) 751-2500.
- Wellstar North Fulton Medical Center3000 Hospital Boulevard, Roswell, GA 30076 · Fulton CountyPhone(770) 751-2500
Source: Dmand AI Affiliation Data
Dr. Justin Brett Mendel is affiliated with 7 sites of care and 3 medical groups
Dr. Mendel's primary practice is Wellstar North Fulton Medical Center in Roswell, Georgia, part of Wellstar Health System. Dr. Mendel is also affiliated with Northside Hospital Atlanta. The medical group on file is Atlanta Gastroenterology Associates. Dmand AI also links Dr. Mendel to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justin Brett Mendel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mendel practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar North Fulton Medical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justin Brett Mendel is one of 503 gastroenterologists in Georgia
Gastroenterology is Dr. Mendel's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mendel is licensed in Georgia.
Specialties and state licenses
- Gastroenterology, GeorgiaPrimary
Gastroenterologists near Dr. Mendel
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Justin Brett Mendel billed Medicare for 930 services in 2024
CMS data shows 930 Medicare services from Dr. Mendel across 16 procedure codes in 2024, for 432 Medicare patients. Medicare paid $87,480 for them.
Dr. Mendel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5632024: 5551%
- Surgery
- 2023: 3462024: 3411%
- Tests and treatments
- 2023: 02024: 23
- Other services
- 2023: 162024: 1131%
Where Dr. Mendel's Medicare services took place, 2024
- In an office48452%
- In a facility44648%
Dr. Mendel compared with the Georgia median for gastroenterologists, 2024
- Dr. Mendel
- Georgia median
- Medicare services
- 930vs 49488% above
- Medicare patients
- 432vs 29745% above
- Part D claims
- 827vs 50364% above
Medians across 499 gastroenterologists in Georgia with Dmand AI profiles that report each measure.
Dr. Mendel's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mendel and other gastroenterologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin Brett Mendel treated 432 Medicare patients in 2024, average age 75
CMS counts 432 Medicare patients who saw Dr. Mendel in 2024. The largest group is 65 to 74, with 206 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mendel's median patient age at 59, with 45% women.
Dr. Mendel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mendel's Medicare patients by sex, 2024
- Women19946%
- Men23354%
Chronic conditions among Dr. Mendel's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis49%
- Ischemic heart disease36%
- Anxiety23%
- Diabetes21%
- Mood disorders19%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mendel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin Brett Mendel wrote 1,030 Medicare Part D claims in 2024
In 2024, Dr. Mendel wrote 1,030 Medicare Part D claims for 404 patients. 82% of them were for generic drugs. CMS names the drug for 827 of them, across 16 drugs with 11 or more claims each, at $124,755 in total drug cost. In 2023, CMS named 801 claims across 19 drugs.
Dr. Mendel's Part D claims by kind of drug, 2024
- Generic846 claims82%
- Brand-name184 claims18%
Dr. Mendel's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mendel's Part D claims, 2024
- Antibiotics4%45 of 1,030 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8012024: 8273%
Drugs named by CMS: 16 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Justin Brett Mendel scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Mendel for performance year 2024, reported individually. Dr. Mendel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mendel as offering telehealth. CMS counts 101 procedures of colonoscopy by Dr. Mendel, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Mendel ranks in Medicare procedure volume
- Colonoscopy
- 80th percentile101 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 68th percentile65 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Justin Brett Mendel received $29,074 in industry payments from 2016 to 2025
CMS Open Payments shows 534 general payments to Dr. Mendel from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 41% of the total. Synergy Pharmaceuticals Inc paid the most, $14,062.
General payments to Dr. Mendel by program year, 2016 to 2025
General payments to Dr. Mendel by kind, 2016 to 2025
- Speaker and faculty fees$12,00041%
- Food and beverage$10,15735%
- Education speaker fees$5,00017%
- Travel and lodging$1,4935%
- Other$4241%
Companies that paid Dr. Mendel the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justin Brett Mendel graduated from Emory University School of Medicine
Dr. Mendel graduated from Emory University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin Brett Mendel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Justin Brett Mendel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Justin Brett Mendel's NPI number?
Dr. Justin Brett Mendel's NPI number is 1669791836. It was assigned on May 26, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Brett Mendel?
Dr. Justin Brett Mendel is a gastroenterologist in Roswell, Georgia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Justin Brett Mendel practice?
Dr. Mendel practices at 3000 Hospital Boulevard, Roswell, GA 30076. Dr. Mendel's primary practice is Wellstar North Fulton Medical Center in Roswell, Georgia, part of Wellstar Health System. Dmand AI also links Dr. Mendel to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Justin Brett Mendel's office phone number?
The practice phone on file for Dr. Mendel is (770) 751-2500.
What is Dr. Justin Brett Mendel's medical license number?
Dr. Mendel holds Georgia license 072362.
Which hospitals is Dr. Justin Brett Mendel affiliated with?
Dr. Mendel practices at Wellstar North Fulton Medical Center in Roswell, Georgia. Dr. Mendel is also affiliated with Northside Hospital Atlanta. Dmand AI links Dr. Mendel to 2 more hospitals.
What medical group is Dr. Justin Brett Mendel part of?
Dr. Mendel is linked to Atlanta Gastroenterology Associates. Dmand AI links Dr. Mendel to 2 more medical groups.
Does Dr. Justin Brett Mendel accept Medicare?
Yes. CMS data shows Dr. Mendel billed Medicare for 930 services in 2024, and Dr. Mendel accepts Medicare assignment.
Does Dr. Justin Brett Mendel offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Mendel as offering telehealth services.
What is Dr. Justin Brett Mendel's MIPS score?
Dr. Mendel's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Justin Brett Mendel see?
CMS counts 432 Medicare patients who saw Dr. Mendel in 2024, with an average age of 75.
What services does Dr. Justin Brett Mendel bill to Medicare?
In 2024, Dr. Mendel's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and surgery: digestive system (45385).
Where did Dr. Justin Brett Mendel go to medical school?
Dr. Mendel graduated from Emory University School of Medicine in 2010.
What drugs does Dr. Justin Brett Mendel prescribe most?
In 2024 Medicare Part D data, Dr. Mendel's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Omeprazole.
Has Dr. Justin Brett Mendel received payments from drug or device companies?
CMS Open Payments shows $29,074 in general payments to Dr. Mendel from 44 companies from 2016 to 2025. The largest total came from Synergy Pharmaceuticals Inc.
How long has Dr. Justin Brett Mendel been practicing?
Dr. Mendel graduated from medical school in 2010, 16 years ago.
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