NPPES file of Aug 9, 2026

Ronald Jay Lubelchek, M.D.

Infectious Disease Physician · Chicago, IL

Ronald Jay Lubelchek, M.D. is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1942313614, issued on Aug 16, 2006. Check the license (Illinois 036-108556, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942313614
Name
Ronald Jay Lubelchek
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
036-108556 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St, Chicago, IL 60612
Phone
(312) 864-6000
Enumerated
Aug 16, 2006
Record last updated
Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20051114000693); accepts Medicare assignment
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 1901 W Harrison St

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

  1. Elias Abate, M.D.Internal Medicine Physician1336712199
  2. Ayesha Abbasi, MDInternal Medicine Physician1376216705
  3. Milagros Abellera, APNNurse Practitioner1528076239
  4. Annette Abraham, MDInfectious Disease Physician1083195093
  5. Fidel Abrego, MDObstetrics & Gynecology Physician1245351824
  6. Bryan Acevedo, MDInternal Medicine Physician1598459612

Verify Ronald Jay Lubelchek 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 036-108556
    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

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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99% more Medicare Part D claims than the average infectious disease physician in 2024

1,369 Medicare Part D claims for 42 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Ronald Lubelchek1,369
  2. Specialty average689

Most prescribed

  1. Biktarvy113 claims
  2. Albuterol Sulfate Hfa54 claims
  3. Gabapentin54 claims
  4. Pantoprazole Sodium48 claims
  5. Trazodone Hcl36 claims
  6. Isoniazid32 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.3
  2. Costout of 100 · 30%67.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Cook CountyChicago, IL
  2. County OF Dupage Department OF HealthWheaton, IL

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

Ronald Jay Lubelchek among 464 infectious disease physician records in Illinois

Ronald Jay Lubelchek, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1999 · median 2004 among the 311 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Illinois

There are 464 infectious disease physician records in Illinois.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Stephanie Black, M.D.Chicago, IL 606121316908791
  2. Larry Goodman, M.DChicago, IL 606121356396550
  3. Alan Harris, M.D.Chicago, IL 606121699736488
  4. Mary Hayden, M.D.Chicago, IL 606121730140187
  5. Ronald Hershow, M.D.Chicago, IL 606121942241054
  6. Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
  7. Harold Kessler, M.D.Chicago, IL 606121730140534
  8. John KowalskiChicago, IL 606121235178708

Common questions

What is Ronald Jay Lubelchek, M.D.'s NPI number?

Ronald Jay Lubelchek, M.D.'s National Provider Identifier (NPI) is 1942313614, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Jay Lubelchek, M.D. located?

The NPPES record lists a practice address at 1901 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-6000. Providers update this record themselves, so call before visiting.

How can I verify Ronald Jay Lubelchek, M.D.'s license?

NPPES lists Illinois license number 036-108556, 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 Ronald Jay Lubelchek, M.D. prescribe under Medicare Part D?

In 2024, Ronald Jay Lubelchek, M.D. had 1,369 Medicare Part D claims for 42 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Ronald Jay Lubelchek, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.