Gregory Gramelspacher, MD
Internal Medicine Physician · Indianapolis, IN
Gregory Gramelspacher, MD is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1013974088, issued on Apr 26, 2006. Check the license (Indiana 01032174A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Gregory Gramelspacher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01032174A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1001 W 10TH St, Indianapolis, IN 46202
- Phone
- (317) 630-7979
- Enumerated
- Apr 26, 2006
- Entity
- Type 1 · individual
Also registered at 1001 W 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dean Babcock, MSWClinical Social Worker1508987454
- Christine Balt, N.P.Nurse Practitioner1093773020
- Jean BandosClinical Nurse Specialist1720039589
Verify Gregory Gramelspacher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01032174ACheck 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
140 Medicare Part D claims for 24 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Levothyroxine Sodium20 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.
895 internal medicine physician records list a Indianapolis practice address
They are 895 of the 30,493 NPPES records with a Indianapolis practice address, and 2,565 internal medicine physician records in Indiana.
All 895 in Indianapolis → All 2,565 in Indiana → Every provider in Indianapolis →
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Common questions
What is Gregory Gramelspacher, MD's NPI number?
Gregory Gramelspacher, MD's National Provider Identifier (NPI) is 1013974088, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Gramelspacher, MD located?
The NPPES record lists a practice address at 1001 W 10TH St, Indianapolis, IN, 46202. Phone: (317) 630-7979. Providers update this record themselves, so call before visiting.
How can I verify Gregory Gramelspacher, MD's license?
NPPES lists Indiana license number 01032174A, 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 Gregory Gramelspacher, MD prescribe under Medicare Part D?
In 2024, Gregory Gramelspacher, MD had 140 Medicare Part D claims for 24 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.