NPPES file of Aug 9, 2026

Joel Block, M.D.

Rheumatology Physician · Chicago, IL

Joel Block, M.D. is a rheumatology physician with a practice address in Chicago, Illinois, and NPI 1285659771, issued on Jul 13, 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
1285659771
Name
Joel Block
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
Practice location
1725 W Harrison St, Chicago, IL 60612
Phone
(312) 942-6641
Enumerated
Jul 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101028001464); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1982
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 Joel Block 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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87% fewer Medicare Part D claims than the average rheumatology physician in 2024

265 Medicare Part D claims for 55 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Joel Block265
  2. Specialty average1,978

Most prescribed

  1. Methotrexate33 claims
  2. Gabapentin26 claims
  3. Celecoxib23 claims
  4. Duloxetine Hcl23 claims
  5. Humira Pen23 claims
  6. Hydroxychloroquine Sulfate20 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.

Industry payments in 2024: $11.90

1 payment: food and beverage; the largest payer was OrthoPediatrics Corp. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joel Block$11.90
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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).

Joel Block among 340 rheumatology physician records in Illinois

Joel Block, M.D. is one of 340 rheumatology physician records with a practice address in Illinois. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 52% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1982 · median 2003 among the 244 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Illinois

There are 340 rheumatology physician records in Illinois.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Shiva AramiChicago, IL 606121629173968
  2. Sanford Baim, M.D.Chicago, IL 606121841227311
  3. John Case, M.D.Chicago, IL 606121104840123
  4. Huan ChangChicago, IL 606121336244870
  5. Sarah Everakes, M.D.Chicago, IL 606121487687299
  6. Paul Glickman, M.D.Chicago, IL 606121801829510
  7. Meenakshi Jolly, M.D.Chicago, IL 606121316970015
  8. Lawrence Layfer, M.D.Chicago, IL 606121235162835

Common questions

What is Joel Block, M.D.'s NPI number?

Joel Block, M.D.'s National Provider Identifier (NPI) is 1285659771, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joel Block, M.D. located?

The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-6641. Providers update this record themselves, so call before visiting.

How can I verify Joel Block, 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 Joel Block, M.D. prescribe under Medicare Part D?

In 2024, Joel Block, M.D. had 265 Medicare Part D claims for 55 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.