NPPES file of Aug 9, 2026

Jeffrey Sam, DO

Internal Medicine Physician · Lemont, IL

Jeffrey Sam, DO is an internal medicine physician with a practice address in Lemont, Illinois, and NPI 1912588138, issued on Apr 19, 2021. Check the license (Illinois 036.168925, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1912588138
Name
Jeffrey Sam
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.168925 IL
Self-reported in NPPES; status is on the state search
Practice location
14268 Lacey Dr, Lemont, IL 60439
Phone
(630) 414-9335
Enumerated
Apr 19, 2021
Record last updated
Aug 6, 2024
Medicare enrollment
Enrolled (PECOS I20241104001699); accepts Medicare assignment
Medical or professional school
Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2020
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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Verify Jeffrey Sam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.168925
    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 Illinois license search

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

171 Medicare Part D claims for 55 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Jeffrey Sam171
  2. Specialty average3,176

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

  1. 24 ON Physicians PCOttawa, IL

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

Jeffrey Sam among 7,238 internal medicine physician records in Illinois

Jeffrey Sam, DO is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2020 · median 2003 among the 3,580 with a school on file
  • Record last updated2024 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 internal medicine physician records list a practice address in Lemont

They are 6 of the 270 NPPES records with a practice address in Lemont, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Catherine Baker, MDLemont, IL 604391871609354
  2. Jacek Grela, M.D.Lemont, IL 604391700850625
  3. Ilah Heller-Bair, MDLemont, IL 604391336206150
  4. Teresa Olivares, M.D.Lemont, IL 604391700057015
  5. Reshma Relwani, DOLemont, IL 604391053554071
  6. Shiping Bao, M.D.Lansing, IL 604381376724401
  7. Ramadevi Davarapalli, MDBolingbrook, IL 604401831171750
  8. Nanette Fabi, M.D.Lansing, IL 604381548269228

Common questions

What is Jeffrey Sam, DO's NPI number?

Jeffrey Sam, DO's National Provider Identifier (NPI) is 1912588138, issued on Apr 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Sam, DO located?

The NPPES record lists a practice address at 14268 Lacey Dr, Lemont, IL, 60439. Phone: (630) 414-9335. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Sam, DO's license?

NPPES lists Illinois license number 036.168925, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey Sam, DO prescribe under Medicare Part D?

In 2024, Jeffrey Sam, DO had 171 Medicare Part D claims for 55 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.