NPPES file of Aug 9, 2026

Robert Balk, M.D.

Pulmonary Disease Physician · Chicago, IL

Robert Balk, M.D. is a pulmonary disease physician with a practice address in Chicago, Illinois, and NPI 1134173503, issued on May 20, 2006. Check the license 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
1134173503
Name
Robert Balk
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
Practice location
1725 W Harrison St, Chicago, IL 60612
Phone
(312) 942-5871
Enumerated
May 20, 2006
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20040331000828); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 1978
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.
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Also registered at 1725 W Harrison St

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

  1. Qurrat-Ul-Ain Abid, MDHospice and Palliative Medicine (Internal Medicine) Physician1053949024
  2. John Acheson, MDSurgery Physician1205528726
  3. David Agbunag, PA-CSurgical Physician Assistant1093885188
  4. Eda Akyar, MDSports Medicine (Family Medicine) Physician1255910006
  5. Jorelle Alexander, DMD,MPHDentist1972790756
  6. Amjad Ali, M.D.Specialist1952359184

Verify Robert Balk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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4% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

1,366 Medicare Part D claims for 227 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Robert Balk1,366
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta197 claims
  2. Albuterol Sulfate Hfa169 claims
  3. Prednisone109 claims
  4. Azithromycin85 claims
  5. Fluticasone Propionate62 claims
  6. Montelukast Sodium54 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 one group practice

  1. Rush University Medical GroupChicago, IL

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

Robert Balk among 617 pulmonary disease physician records in Illinois

Robert Balk, M.D. is one of 617 pulmonary disease physician records with a practice address in Illinois. 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 54% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1978 · median 2005 among the 444 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Illinois

There are 617 pulmonary disease physician records in Illinois.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Patrick Belvitch, M.D.Chicago, IL 606121326249228
  2. William Clapp, MDChicago, IL 606121174721229
  3. David Gurka, M.D.Chicago, IL 606121255385514
  4. Jeffrey Jacobson, M.D.Chicago, IL 606121609937432
  5. Howard Jaffe, M.D.Chicago, IL 606121285724765
  6. Omar Lateef, D.O.Chicago, IL 606121295789527
  7. Richard Lenhardt, M.D.Chicago, IL 606121831141936
  8. Narayana Nagubadi, M.D.Chicago, IL 606121295782365

Common questions

What is Robert Balk, M.D.'s NPI number?

Robert Balk, M.D.'s National Provider Identifier (NPI) is 1134173503, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Balk, M.D. located?

The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-5871. Providers update this record themselves, so call before visiting.

How can I verify Robert Balk, M.D.'s license?

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 Robert Balk, M.D. prescribe under Medicare Part D?

In 2024, Robert Balk, M.D. had 1,366 Medicare Part D claims for 227 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.