Dr. Alexis Ponder Calloway, MD
- Medicare services, 2024
- 729
- Medicare patients, 2024
- 320
- Part D claims, 2024
- 636
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 3280 Howell Mill NW Rd, Atlanta, GA 30327
- Practice phone
- Call (404) 603-3543
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Digestive Healthcare of Georgia Endoscopy Center Mountainside
Atlanta, Georgia
Find Dr. Calloway'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. Alexis Ponder Calloway is a gastroenterologist in Atlanta, Georgia
Dr. Calloway practices at Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia.
Dr. Calloway's NPI, 1124255989, was assigned on June 18, 2009. Dr. Calloway graduated from Morehouse School of Medicine in 2009. Dr. Calloway holds Georgia license 75754.
- NPI
- 1124255989NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355598301
- NPI enumeration date
- June 18, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (404) 603-3543
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexis Ponder Calloway practices at Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia
Dr. Calloway's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside, at 3280 Howell Mill NW Rd, Atlanta, GA 30327 in Fulton County. The practice phone is (404) 603-3543.
- Digestive Healthcare of Georgia Endoscopy Center Mountainside3280 Howell Mill NW Rd, Atlanta, GA 30327 · Fulton CountyPhone(404) 603-3543
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexis Ponder Calloway is affiliated with 3 sites of care and 1 medical group
Dr. Calloway's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia. Dr. Calloway is also affiliated with Piedmont Atlanta. The medical group on file is Digestive Healthcare of Georgia. Dmand AI also links Dr. Calloway to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alexis Ponder Calloway's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calloway practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Digestive Healthcare of Georgia Endoscopy Center Mountainside | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexis Ponder Calloway is one of 503 gastroenterologists in Georgia
Gastroenterology is Dr. Calloway's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Calloway is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Calloway is licensed in Georgia.
Specialties and state licenses
- Gastroenterology, GeorgiaPrimary
Gastroenterologists near Dr. Calloway
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. Alexis Ponder Calloway billed Medicare for 729 services in 2024
CMS data shows 729 Medicare services from Dr. Calloway across 16 procedure codes in 2024, for 320 Medicare patients. Medicare paid $64,710 for them.
Dr. Calloway's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3372024: 3555%
- Lab and pathology
- 2023: 1262024: 18144%
- Surgery
- 2023: 1242024: 17037%
- Other services
- 2023: 02024: 23
Where Dr. Calloway's Medicare services took place, 2024
- In an office44160%
- In a facility28840%
Dr. Calloway compared with the Georgia median for gastroenterologists, 2024
- Dr. Calloway
- Georgia median
- Medicare services
- 729vs 49448% above
- Medicare patients
- 320vs 2978% above
- Part D claims
- 494vs 503Close to median
Medians across 499 gastroenterologists in Georgia with Dmand AI profiles that report each measure.
Dr. Calloway'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.
Need commercial claims for Dr. Calloway?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Calloway and other gastroenterologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexis Ponder Calloway treated 320 Medicare patients in 2024, average age 74
CMS counts 320 Medicare patients who saw Dr. Calloway in 2024. The largest group is 65 to 74, with 153 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Calloway's median patient age at 54, with 79% women.
Dr. Calloway's Medicare patients by age, 2024
Dr. Calloway's Medicare patients by sex, 2024
- Women24376%
- Men7724%
Chronic conditions among Dr. Calloway's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis49%
- Ischemic heart disease33%
- Chronic kidney disease32%
- Diabetes29%
- Mood disorders25%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Calloway's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women79%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexis Ponder Calloway wrote 636 Medicare Part D claims in 2024
In 2024, Dr. Calloway wrote 636 Medicare Part D claims for 290 patients. 84% of them were for generic drugs. CMS names the drug for 494 of them, across 10 drugs with 11 or more claims each, at $67,565 in total drug cost. In 2023, CMS named 455 claims across 12 drugs.
Dr. Calloway's Part D claims by kind of drug, 2024
- Generic535 claims84%
- Brand-name101 claims16%
Dr. Calloway'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. Calloway's Part D claims, 2024
- Antibiotics3%19 of 636 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: 4552024: 4949%
Drugs named by CMS: 10 in 2024, 12 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. Alexis Ponder Calloway scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Calloway for performance year 2024, reported through an alternative payment model (APM). Dr. Calloway accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Calloway as offering telehealth. CMS counts 55 procedures of colonoscopy by Dr. Calloway, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Calloway's MIPS scores, performance year 2024
- 92of 100Final score
- 83.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Calloway ranks in Medicare procedure volume
- Colonoscopy
- 66th percentile55 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 65th percentile55 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. Alexis Ponder Calloway received $3,590 in industry payments from 2016 to 2025
CMS Open Payments shows 202 general payments to Dr. Calloway from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,514.
General payments to Dr. Calloway by program year, 2016 to 2025
General payments to Dr. Calloway by kind, 2016 to 2025
- Food and beverage$3,575100%
- Education$150%
Companies that paid Dr. Calloway 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. Alexis Ponder Calloway graduated from Morehouse School of Medicine
Dr. Calloway graduated from Morehouse School of Medicine in 2009.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexis Ponder Calloway'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Alexis Ponder Calloway
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. Alexis Ponder Calloway's NPI number?
Dr. Alexis Ponder Calloway's NPI number is 1124255989. It was assigned on June 18, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexis Ponder Calloway?
Dr. Alexis Ponder Calloway is a gastroenterologist in Atlanta, Georgia. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Alexis Ponder Calloway practice?
Dr. Calloway practices at 3280 Howell Mill NW Rd, Atlanta, GA 30327. Dr. Calloway's primary practice is Digestive Healthcare of Georgia Endoscopy Center Mountainside in Atlanta, Georgia. Dmand AI also links Dr. Calloway to 1 group practice or clinic.
What is Dr. Alexis Ponder Calloway's office phone number?
The practice phone on file for Dr. Calloway is (404) 603-3543.
What is Dr. Alexis Ponder Calloway's medical license number?
Dr. Calloway holds Georgia license 75754.
Which hospitals is Dr. Alexis Ponder Calloway affiliated with?
Dr. Calloway is affiliated with Piedmont Atlanta.
What medical group is Dr. Alexis Ponder Calloway part of?
Dr. Calloway is linked to Digestive Healthcare of Georgia.
Does Dr. Alexis Ponder Calloway accept Medicare?
Yes. CMS data shows Dr. Calloway billed Medicare for 729 services in 2024, and Dr. Calloway accepts Medicare assignment.
Does Dr. Alexis Ponder Calloway offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Calloway as offering telehealth services.
What is Dr. Alexis Ponder Calloway's MIPS score?
Dr. Calloway's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Alexis Ponder Calloway see?
CMS counts 320 Medicare patients who saw Dr. Calloway in 2024, with an average age of 74.
Is Dr. Alexis Ponder Calloway board certified?
Yes. Dr. Calloway is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Alexis Ponder Calloway bill to Medicare?
In 2024, Dr. Calloway's most billed Medicare services were office visit, established patient (99214), lab and pathology test (88305) and surgery: digestive system (45385).
Where did Dr. Alexis Ponder Calloway go to medical school?
Dr. Calloway graduated from Morehouse School of Medicine in 2009.
What drugs does Dr. Alexis Ponder Calloway prescribe most?
In 2024 Medicare Part D data, Dr. Calloway's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Famotidine.
Has Dr. Alexis Ponder Calloway received payments from drug or device companies?
CMS Open Payments shows $3,590 in general payments to Dr. Calloway from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Alexis Ponder Calloway been practicing?
Dr. Calloway graduated from medical school in 2009, 17 years ago.
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