NPPES file of Aug 9, 2026

Eugene Lin, MD

Internal Medicine Physician · Valparaiso, IN

Eugene Lin, MD is an internal medicine physician with a practice address in Valparaiso, Indiana, and NPI 1972595726, issued on Aug 18, 2005. Check the license (Indiana 01048941A, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972595726
Name
Eugene Lin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01048941A IN
Self-reported in NPPES; status is on the state search
Practice location
2421 Laporte Ave, Valparaiso, IN 46383
Phone
(219) 462-6914
Enumerated
Aug 18, 2005
Record last updated
May 30, 2023
Fax
(219) 462-0426
Medicaid ID
200224900 IN
Medicare enrollment
Enrolled (PECOS I20050608001008); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1996
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 2421 Laporte Ave

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

  1. Serena Allison, NPFamily Nurse Practitioner1639919137
  2. Janet Bilder, DOFamily Medicine Physician1326451030
  3. Joe Clinkenbeard, PAPhysician Assistant1306843685
  4. Jeffrey Gatz, MDInternal Medicine Physician1609868207
  5. Tamara Kay, DNP, FNP-BCFamily Nurse Practitioner1902254733
  6. Benjamin Koch, FNP-BCFamily Nurse Practitioner1790141273

Verify Eugene Lin 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 01048941A
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7% more Medicare Part D claims than the average internal medicine physician in 2024

3,409 Medicare Part D claims for 237 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 18 claims were for opioids.

  1. Eugene Lin3,409
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium361 claims
  2. Levothyroxine Sodium219 claims
  3. Amlodipine Besylate188 claims
  4. Losartan Potassium150 claims
  5. Lisinopril142 claims
  6. Metformin Hcl134 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 3 group practices

  1. Chesterton Physical Therapy IncChesterton, IN
  2. Franciscan Physician NetworkValparaiso, IN
  3. Rci (wrs) LLCValparaiso, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Eugene Lin among 2,109 internal medicine physician records in Indiana

Eugene Lin, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1996 · median 2005 among the 1,448 with a school on file
  • Record last updated2023 · 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).

27 internal medicine physician records list a practice address in Valparaiso

They are 27 of the 1,525 NPPES records with a practice address in Valparaiso, and 2,109 internal medicine physician records in Indiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Buynak, M.D.Valparaiso, IN 463831508977984
  2. Vijaya Chapala, MDValparaiso, IN 463831174573281
  3. Thomas Devine, MDValparaiso, IN 463831942204508
  4. Jeffrey Gatz, MDValparaiso, IN 463831609868207
  5. Abdus Lakhani, MDValparaiso, IN 463831831187244
  6. Ruolan Pi, MDValparaiso, IN 463831538152103
  7. Rajat Prakash, MDValparaiso, IN 463831700872041
  8. Sangeeta Sehgal, MDValparaiso, IN 463831992766224

Common questions

What is Eugene Lin, MD's NPI number?

Eugene Lin, MD's National Provider Identifier (NPI) is 1972595726, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Eugene Lin, MD located?

The NPPES record lists a practice address at 2421 Laporte Ave, Valparaiso, IN, 46383. Phone: (219) 462-6914. Providers update this record themselves, so call before visiting.

How can I verify Eugene Lin, MD's license?

NPPES lists Indiana license number 01048941A, 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 Eugene Lin, MD prescribe under Medicare Part D?

In 2024, Eugene Lin, MD had 3,409 Medicare Part D claims for 237 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.