ALEXIS PONDER CALLOWAY MD
NPI 1124255989
Internal Medicine - Gastroenterology in Nashville, TN

Q: What is Alexis Calloway's NPI number?

The NPI number for Alexis Calloway is 1124255989. It was assigned to this individual provider in the NPPES registry on June 18, 2009. The provider is also known as Alexis Lindsay Ponder M.D..

Q: What is Alexis Calloway's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Alexis Calloway was last updated on July 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 18, 2009PECOS EnrolledAccepts Medicare Assignment

89.89/100

CMS Quality Rating

1211 MEDICAL CENTER DR, NASHVILLE, TN 37232(615) 322-0128 Get Directions Write a Review

NPPES record last updated: July 14, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 14, 2016, Feb 17, 2016, Dec 30, 2015 (3 updates tracked since 2015).

On this page

About Alexis Ponder Calloway Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXIS PONDER CALLOWAY MD (NPI 1124255989) is an individual gastroenterology provider in Nashville, Tennessee, licensed in Georgia (75754) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Piedmont Hospital, and is a graduate of Morehouse School Of Medicine (2009).

NPPES Registry Identity

NPI1124255989

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameALEXIS PONDER CALLOWAYCredential: MD

Location Address1211 MEDICAL CENTER DRNashville, TN 37232-0004

Mailing Address95 Collier Rd Nw, Ste 4075Atlanta, GA 30309-1751 · (404) 603-3543 · Fax (404) 350-8795

Phone(615) 322-0128

Sole ProprietorYes

Medical School CMSMorehouse School Of MedicineGraduated 2009

Enumeration DateJune 18, 2009

Last NPPES UpdateJuly 14, 20163 updates tracked since enumeration

✔ NPI 1124255989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in GA · 75754

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1211 MEDICAL CENTER DR, Nashville, TN 37232

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Other Names 1

Former Name (1)Alexis Lindsay Ponder M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexis Ponder Calloway Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355598301

PECOS Enrollment IDI20160808001760

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexis Calloway reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Digestive Healthcare Of Ga, P.C.

208 mi

Gastroenterology

3280 HOWELL MILL RD NW STE T100
Atlanta, GA 30327

Reassigned Medicare billing, Georgia enrollment
Medicare enrollment name: Digestive Healthcare Of Georgia
39 clinicians in this Medicare group

NPI 1558365247 (404) 603-3543

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

172 services125 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

146 services57 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

67 services67 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

64 services44 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

55 services55 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

31 services31 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

25 services25 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

23 services23 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

19 services17 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

16 services14 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

12 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

12 services12 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

11 services11 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Piedmont Hospital

Acute Care Hospitals · Atlanta, GA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110083

Location1968 Peachtree Rd NWAtlanta, GA 30309 · Fulton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.89/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

79.78

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

99%90 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

65%118 patients3/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%148 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

1%136 patients1/55-star benchmark: 100%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis

70%70 patients3/55-star benchmark: 98%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GREGORY BENES MD

Student in an Organized Health Care Education/Training Program

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (817) 706-2464

DR. VICTOR JEGEDE MD

Student in an Organized Health Care Education/Training Program

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 322-5000

MARIA FERNANDA YEPES MD, PHD

Student in an Organized Health Care Education/Training Program

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 322-5000

KEVIN WU PHARMD

Pharmacist

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 875-2752

RUSTY CATLIN PHARMD

Pharmacist

1211 MEDICAL CENTER DR, ROOM 1815 TVC
NASHVILLE, TN 37232

Davidson County (615) 322-1909

SRINITHYA REDDY GILLIPELLI

Student in an Organized Health Care Education/Training Program

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 322-5000

MARK PRIESTLEY AG-ACNP

Nurse Practitioner (Acute Care)

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 343-1465

ZACH AUSTIN PTA

Physical Therapy Assistant

1211 MEDICAL CENTER DR
NASHVILLE, TN 37232

Davidson County (615) 322-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexis Calloway's NPI number?

The NPI number for Alexis Calloway is 1124255989. It was assigned to this individual provider in the NPPES registry on June 18, 2009. The provider is also known as Alexis Lindsay Ponder M.D..

Where is Alexis Calloway located?

Alexis Calloway practices at 1211 Medical Center Dr, Nashville, TN 37232. The listed phone number is (615) 322-0128.

What is Alexis Calloway's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Alexis Calloway enrolled in Medicare?

Yes. Alexis Calloway is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Alexis Calloway's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Calloway reassigns Medicare benefits to Digestive Healthcare Of Ga, P.C. (Atlanta, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexis Calloway's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexis Calloway accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Alexis Calloway as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexis Calloway affiliated with any hospitals?

According to CMS data, Alexis Calloway is affiliated with Piedmont Hospital.

When was this NPI record last updated?

The NPPES record for Alexis Calloway was last updated on July 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.