Terry Allen Iwasko, D.O.
Internal Medicine Physician · Indianapolis, IN
Terry Allen Iwasko, D.O. is an internal medicine physician with a practice address in Indianapolis, Indiana, and NPI 1295823631, issued on Oct 11, 2006. Check the license (Indiana 02001352, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Terry Allen Iwasko
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 02001352 IN
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Main St Ste 110, Indianapolis, IN 46224
- Phone
- (317) 957-9150
- Enumerated
- Oct 11, 2006
- Record last updated
- Apr 18, 2022
- Fax
- (317) 957-9965
- Medicaid ID
- 100360790 IN
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 1011 Main St Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Gemma, D.O.Family Medicine Physician1508919077
Verify Terry Allen Iwasko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02001352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
382 Medicare Part D claims for 126 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate33 claims
- Lisinopril17 claims
- Omeprazole16 claims
- Atorvastatin Calcium14 claims
- Metformin Hcl14 claims
- Levothyroxine Sodium13 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.
Terry Allen Iwasko among 2,109 internal medicine physician records in Indiana
Terry Allen Iwasko, D.O. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2022 · 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
- Kirsten Kaisner-DuncanIndianapolis, IN 462241114984572
- Maria Wilson, MDSpeedway, IN 462241699978114
- Shelagh Fraser, MDIndianapolis, IN 462251003934605
- Jennifer Baenziger, M.D.Indianapolis, IN 462261528384914
- Stephen BenzingerIndianapolis, IN 462261417453648
- Saif Choudhury, M.D.Indianapolis, IN 462221447540943
- Alyssa Cooke, MDIndianapolis, IN 462261598227902
- James Gaither, M.D.Indianapolis, IN 462261750355509
Common questions
What is Terry Allen Iwasko, D.O.'s NPI number?
Terry Allen Iwasko, D.O.'s National Provider Identifier (NPI) is 1295823631, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terry Allen Iwasko, D.O. located?
The NPPES record lists a practice address at 1011 Main St Ste 110, Indianapolis, IN, 46224. Phone: (317) 957-9150. Providers update this record themselves, so call before visiting.
How can I verify Terry Allen Iwasko, D.O.'s license?
NPPES lists Indiana license number 02001352, 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 Terry Allen Iwasko, D.O. prescribe under Medicare Part D?
In 2024, Terry Allen Iwasko, D.O. had 382 Medicare Part D claims for 126 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.