Gladstone A. Tucker, MD
Geriatric Medicine (Internal Medicine) Physician · Marion, IL
Gladstone A. Tucker, MD is a geriatric medicine (internal medicine) physician with a practice address in Marion, Illinois, and NPI 1023087012, issued on Mar 14, 2006. Check the license (Illinois 036111926, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gladstone A. Tucker
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 036111926 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1606 Castleberry Dr, Marion, IL 62959
- Phone
- (618) 997-9519
- Enumerated
- Mar 14, 2006
- Record last updated
- May 25, 2023
- Fax
- (618) 993-0592
- Medicaid ID
- 036111926 IL
- Medicare enrollment
- Enrolled (PECOS I20050225000445); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 179 in Illinois → Look up another NPI →
Verify Gladstone A. Tucker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036111926Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
96 Medicare Part D claims for 48 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone15 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Deaconess Illinois Specialty Clinic, Inc.Marion, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gladstone A. Tucker among 179 geriatric medicine (internal medicine) physician records in Illinois
Gladstone A. Tucker, MD is one of 179 geriatric medicine (internal medicine) physician records with a practice address in Illinois. 71% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 40% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1980 · median 1997 among the 76 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Illinois
There are 179 geriatric medicine (internal medicine) physician records in Illinois.
All 179 in Illinois → Every provider in Marion → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Mark Rotich, M.D.Marion, IL 629591659393601
- Sarah Lahud Cuadra, MDHerrin, IL 629481053042739
- Suresh Krishnamoorthy, M.D.Centralia, IL 628011760440580
- Dima Lababidi, MDSpringfield, IL 627021467473793
- Eli Goodman, MDJacksonville, IL 626501053405589
- Kimberley Armour, APRN FPA, AGPCNP-CAuburn, IL 626151609553007
- Hima Atluri, MDDecatur, IL 625261609866052
- Gaurang Patel, MDDecatur, IL 625261871584946
Common questions
What is Gladstone A. Tucker, MD's NPI number?
Gladstone A. Tucker, MD's National Provider Identifier (NPI) is 1023087012, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gladstone A. Tucker, MD located?
The NPPES record lists a practice address at 1606 Castleberry Dr, Marion, IL, 62959. Phone: (618) 997-9519. Providers update this record themselves, so call before visiting.
How can I verify Gladstone A. Tucker, MD's license?
NPPES lists Illinois license number 036111926, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gladstone A. Tucker, MD prescribe under Medicare Part D?
In 2024, Gladstone A. Tucker, MD had 96 Medicare Part D claims for 48 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Gladstone A. Tucker, MD's MIPS final score?
The 2023 MIPS final score is 73.9 of 100, reported for the practice group. 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.