Mark A. Sims, M.D.
Gastroenterology Physician · Atlanta, GA
Mark A. Sims, M.D. is a gastroenterology physician with a practice address in Atlanta, Georgia, and NPI 1932103504, issued on Jun 10, 2005. Check the license (Georgia 038365, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark A. Sims
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 038365 GA
Self-reported in NPPES; status is on the state search - Practice location
- 95 Collier RD NW, Atlanta, GA 30309
- Phone
- (404) 355-3200
- Enumerated
- Jun 10, 2005
- Record last updated
- Oct 10, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (404) 355-9819
- Medicaid ID
- 00599156A GA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 530 in Georgia → Look up another NPI →
Also registered at 95 Collier RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Aaron, NPAdult Health Nurse Practitioner1740371848
- Christine Armstrong, NPAcute Care Nurse Practitioner1255748232
- Amy Aspinwall, PAMedical Physician Assistant1437575651
- Chelsea Baer, PA-CPhysician Assistant1356754295
- William Ballard, MDCardiovascular Disease Physician1902812993
- Patrick Battey, MDVascular Surgery Physician1346263621
Verify Mark A. Sims in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 038365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Mark A. Sims among 530 gastroenterology physician records in Georgia
Mark A. Sims, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 79% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2007 · 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.
All 530 in Georgia → Every provider in Atlanta → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Naveen Anand, M.D.Atlanta, GA 303091841474541
- Walter Brooks, MDAtlanta, GA 303091326039330
- Thomas Claiborne, M.D.Atlanta, GA 303091093719692
- Booker Dalton, M.D.Atlanta, GA 303091477557130
- Aamir Dam, MDAtlanta, GA 303091235367657
- Michael Galambos, M.D.Atlanta, GA 303091356345011
- Valerie Jagiella, M.D.Atlanta, GA 303091164426722
- Rachel Mepani, M.D.Atlanta, GA 303091154411353
Common questions
What is Mark A. Sims, M.D.'s NPI number?
Mark A. Sims, M.D.'s National Provider Identifier (NPI) is 1932103504, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Sims, M.D. located?
The NPPES record lists a practice address at 95 Collier RD NW, Atlanta, GA, 30309. Phone: (404) 355-3200. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Sims, M.D.'s license?
NPPES lists Georgia license number 038365, 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.
What is Mark A. Sims, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 of 100. 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.