Justin Mendel, M.D.
NPI 1669791836 · Gastroenterology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Mendel, M.D. is a Gastroenterology Physician provider in Atlanta, GA (NPI 1669791836).
Provider details
- NPI number
- 1669791836
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 072362 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
930 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 249 | $126 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 126 | $69 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 107 | $244 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 79 | $74 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 150 | 144 |
| Pantoprazole Sodium | 145 | 59 |
| Omeprazole | 143 | 59 |
| Famotidine | 87 | 35 |
| Linaclotidebrand: Linzess | 47 | 11 |
| Lansoprazole | 44 | 22 |
| Ondansetronbrand: Ondansetron Odt | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,495 across 76 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 1364 Clifton Rd NeAtlanta, GA 30322-1059Phone: (404) 727-5658
- 1364 Clifton Rd NeAtlanta, GA 30322-1059Phone: (404) 727-5658
Registry dates
- Enumerated
- 2010-05-26
- Last updated
- 2018-03-17
Frequently asked questions
- What is Justin Mendel's NPI number?
- Justin Mendel's National Provider Identifier (NPI) is 1669791836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Mendel's specialty?
- Justin Mendel is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Mendel located?
- Justin Mendel's practice location on file with NPPES is 5671 Peachtree Dunwoody Rd Ste 600, Atlanta, GA 30342-5020.
- What is Justin Mendel's phone number?
- The practice phone number listed in the NPPES registry for Justin Mendel is (404) 257-9000.
- Does Justin Mendel accept Medicare?
- Justin Mendel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Mendel's NPI active?
- Yes — Justin Mendel's NPI (1669791836) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.