Gregory D. Olds, MD
Gastroenterology Physician · Chattanooga, TN
Gregory D. Olds, MD is a gastroenterology physician with a practice address in Chattanooga, Tennessee, and NPI 1972671428, issued on Dec 1, 2006. Check the license (Tennessee 49152, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Olds
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 49152 TN
86555 GA
4301083262 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2200 E 3RD St Ste 200, Chattanooga, TN 37404
- Phone
- (423) 643-2500
- Enumerated
- Dec 1, 2006
- Record last updated
- Feb 6, 2026
- Fax
- (423) 305-7822
- Medicare enrollment
- Enrolled (PECOS I20260206000171); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 2200 E 3RD St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barrett Attarha, DOGastroenterology Physician1164927950
- Sumeet Bhushan, MDGastroenterology Physician1558337451
- Chad Charapata, MDGastroenterology Physician1972567592
- Carrie Durante, PA-CPhysician Assistant1114299484
- Doloris Hawk, FNPFamily Nurse Practitioner1508009077
- Corinne Hinson, FNPFamily Nurse Practitioner1225582141
Verify Gregory D. Olds in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 49152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average gastroenterology physician in 2024
1,347 Medicare Part D claims for 654 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Gavilyte-C335 claims
- Omeprazole219 claims
- Pantoprazole Sodium99 claims
- Sod Sulf-Potass Sulf-Mag Sulf79 claims
- Linzess69 claims
- Esomeprazole Magnesium60 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 87.7 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).
Industry payments in 2024: $2,321.43
83 payments; by number, the most common kind was food and beverage; the largest payer was Olympus Medical Systems Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Galen Medical Group, PCChattanooga, TN
- Hamilton Physician Group, IncDalton, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory D. Olds among 384 gastroenterology physician records in Tennessee
Gregory D. Olds, MD is one of 384 gastroenterology physician records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2001 among the 255 with a school on file
- Record last updated2026 · 48% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Chattanooga → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sumeet Bhushan, MDChattanooga, TN 374041558337451
- Charles Bosshardt, MDChattanooga, TN 374041013215078
- Chad Charapata, MDChattanooga, TN 374041972567592
- David Collins, MDChattanooga, TN 374041417949900
- Susanna Crouch, APRN-BC, FNPChattanooga, TN 374041376703405
- Donald Hetzel, MDChattanooga, TN 374041932181245
- James Manton, MDChattanooga, TN 374041538141411
- Henry Paik, M.D.Chattanooga, TN 374041194789149
Common questions
What is Gregory D. Olds, MD's NPI number?
Gregory D. Olds, MD's National Provider Identifier (NPI) is 1972671428, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Olds, MD located?
The NPPES record lists a practice address at 2200 E 3RD St Ste 200, Chattanooga, TN, 37404. Phone: (423) 643-2500. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Olds, MD's license?
NPPES lists Tennessee license number 49152, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory D. Olds, MD prescribe under Medicare Part D?
In 2024, Gregory D. Olds, MD had 1,347 Medicare Part D claims for 654 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Gregory D. Olds, MD's MIPS final score?
The 2023 MIPS final score is 87.7 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.