Chad M. Trambaugh, MD
Internal Medicine Physician · Indianapolis, IN
Chad M. Trambaugh, MD is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1396926366, issued on Nov 19, 2007. Check the license (Indiana 01064787A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Chad M. Trambaugh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01064787A IN
11013259A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1800 N. Capitol Avenue, Indianapolis, IN 46202
- Phone
- (317) 962-2894
- Enumerated
- Nov 19, 2007
- Record last updated
- Mar 14, 2025
- Fax
- (317) 963-5285
- Medicaid ID
- 200948980 IN
- Medicare enrollment
- Enrolled (PECOS I20090723000805); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 1800 N. Capitol Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Eaton, PA-CMedical Physician Assistant1740229012
- Nicholas Newsom, MDInternal Medicine Physician1811158736
- Patience Onuoha, DOInternal Medicine Physician1649335092
Verify Chad M. Trambaugh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01064787ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
593 Medicare Part D claims for 229 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Prednisone45 claims
- Amoxicillin-Clavulanate Potass43 claims
- Furosemide35 claims
- Doxycycline Monohydrate27 claims
- Amlodipine Besylate24 claims
- Cephalexin21 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.
Bills Medicare through one group practice
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad M. Trambaugh among 2,109 internal medicine physician records in Indiana
Chad M. Trambaugh, 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 fileYes · 69% of these records are
- Graduated2006 · median 2005 among the 1,448 with a school on file
- Record last updated2025 · 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).
699 internal medicine physician records list a practice address in Indianapolis
They are 699 of the 30,493 NPPES records with a practice address in Indianapolis, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Indianapolis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Todd Biggerstaff, MDIndianapolis, IN 462021891796157
- Wayne Ellis, MDIndianapolis, IN 462021508848102
- Mason Goodman, MDIndianapolis, IN 462021508848433
- Areeba Kara, M.D.Indianapolis, IN 462021528069978
- Irina Khan, M.D.Indianapolis, IN 462021508852294
- Audrey Maminta, MDIndianapolis, IN 462021518941863
- Patrick McQuillan, M.D.Indianapolis, IN 462021669473989
- Jeffrey Mossler, MDIndianapolis, IN 462021356312896
Common questions
What is Chad M. Trambaugh, MD's NPI number?
Chad M. Trambaugh, MD's National Provider Identifier (NPI) is 1396926366, issued on Nov 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chad M. Trambaugh, MD located?
The NPPES record lists a practice address at 1800 N. Capitol Avenue, Indianapolis, IN, 46202. Phone: (317) 962-2894. Providers update this record themselves, so call before visiting.
How can I verify Chad M. Trambaugh, MD's license?
NPPES lists Indiana license number 01064787A, 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 Chad M. Trambaugh, MD prescribe under Medicare Part D?
In 2024, Chad M. Trambaugh, MD had 593 Medicare Part D claims for 229 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.