Joseph A. Koss, MD
Internal Medicine Physician · Muncie, IN
Joseph A. Koss, MD is an internal medicine physician with a practice address in Muncie, Indiana, and NPI 1396896437, issued on Jan 16, 2007. Check the license (Indiana 01048936A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Koss
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01048936A IN
Self-reported in NPPES; status is on the state search - Practice location
- 4000 W Woodway Dr, Muncie, IN 47304
- Phone
- (765) 289-5006
- Enumerated
- Jan 16, 2007
- Record last updated
- Jan 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (765) 213-4953
- Medicaid ID
- 200318400A IN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 4000 W Woodway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Gibson, MDInternal Medicine Physician1528110764
- Heather Hamilton, NPNurse Practitioner1265705404
- Earl Lloyd, MDInternal Medicine Physician1669524658
- Keri Lowe, NPRegistered Nurse1609476456
- Robert Suer, M.D.Internal Medicine Physician1902957400
Verify Joseph A. Koss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01048936ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
159 Medicare Part D claims for 113 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Pantoprazole Sodium11 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.
Joseph A. Koss among 2,109 internal medicine physician records in Indiana
Joseph A. Koss, MD is one of 2,109 internal medicine physician records with a practice address in Indiana. 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 48% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2021 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 internal medicine physician records list a practice address in Muncie
They are 68 of the 2,630 NPPES records with a practice address in Muncie, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Muncie → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Allen, M.D.Muncie, IN 473041962425801
- Svetlana Bucchino, MDMuncie, IN 473041932120847
- Charles Dinwiddie, MDMuncie, IN 473041477526200
- James Dunn, MDMuncie, IN 473041144310095
- Elpidio Feliciano, M.D.Muncie, IN 473041659358745
- Thomas Gibson, MDMuncie, IN 473041528110764
- Teena Joseph, M.DMuncie, IN 473041821293978
- Manu Joseph, MDMuncie, IN 473041902006406
Common questions
What is Joseph A. Koss, MD's NPI number?
Joseph A. Koss, MD's National Provider Identifier (NPI) is 1396896437, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Koss, MD located?
The NPPES record lists a practice address at 4000 W Woodway Dr, Muncie, IN, 47304. Phone: (765) 289-5006. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Koss, MD's license?
NPPES lists Indiana license number 01048936A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph A. Koss, MD prescribe under Medicare Part D?
In 2024, Joseph A. Koss, MD had 159 Medicare Part D claims for 113 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.