NPPES file of Aug 9, 2026

Joseph Tien-Yo Lee, MD

Internal Medicine Physician · Avon, IN

Joseph Tien-Yo Lee, MD is an internal medicine physician with a practice address in Avon, Indiana, and NPI 1003107517, issued on May 2, 2011. Check the license (Indiana 01073770A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003107517
Name
Joseph Tien-Yo Lee
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01073770A IN
Self-reported in NPPES; status is on the state search
Practice location
1115 N Ronald Reagan Pkwy, Avon, IN 46123
Phone
(317) 217-2888
Enumerated
May 2, 2011
Record last updated
Mar 13, 2025
Fax
(317) 217-2999
Medicaid ID
201094410 IN
Medicare enrollment
Enrolled (PECOS I20140508002013); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1115 N Ronald Reagan Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Darren Caudill, DOInternal Medicine Physician1255327706
  2. Jeffrey Ihlendorf, MDInternal Medicine Physician1205848728
  3. Robert Kemp, MDCritical Care Medicine (Internal Medicine) Physician1639127764
  4. Sheethu Sadasivan, MDInternal Medicine Physician1891981304
  5. Mark Unroe, MDPulmonary Disease Physician1689832834
  6. John Ward, PA-CPhysician Assistant1770952566

Verify Joseph Tien-Yo Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01073770A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. 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).

Joseph Tien-Yo Lee among 2,109 internal medicine physician records in Indiana

Joseph Tien-Yo Lee, 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 2011, is newer than 62% of them.

  • NPI issued2011 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2011 · 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).

32 internal medicine physician records list a practice address in Avon

They are 32 of the 1,084 NPPES records with a practice address in Avon, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michaela Besold, M.D.Avon, IN 461231184619991
  2. Norman Cary, M.D.Avon, IN 461231730138439
  3. Darren Caudill, DOAvon, IN 461231255327706
  4. Angela Debord Henriksen, MDAvon, IN 461231750321576
  5. Jeffrey Ihlendorf, MDAvon, IN 461231205848728
  6. April Johnson, M.DAvon, IN 461231891716387
  7. Ravi Juluri, M.D.Avon, IN 461231457523151
  8. Melissa Knutson, DOAvon, IN 461231578721783

Common questions

What is Joseph Tien-Yo Lee, MD's NPI number?

Joseph Tien-Yo Lee, MD's National Provider Identifier (NPI) is 1003107517, issued on May 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Tien-Yo Lee, MD located?

The NPPES record lists a practice address at 1115 N Ronald Reagan Pkwy, Avon, IN, 46123. Phone: (317) 217-2888. Providers update this record themselves, so call before visiting.

How can I verify Joseph Tien-Yo Lee, MD's license?

NPPES lists Indiana license number 01073770A, 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.

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.