NPPES file of Aug 9, 2026

Jonathan Jacob Dietrich, MD

Internal Medicine Physician · Chicago, IL

Jonathan Jacob Dietrich, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1073216131, issued on Mar 27, 2023. Check the license (Illinois 125081580, 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
1073216131
Name
Jonathan Jacob Dietrich
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
125081580 IL
Self-reported in NPPES; status is on the state search
Practice location
3134 N Clark St, Chicago, IL 60657
Phone
(312) 766-4949
Enumerated
Mar 27, 2023
Record last updated
Jun 21, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3134 N Clark St

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

  1. Lauren Abplanalp, D.O.Pulmonary Disease Physician1346604642
  2. Ahmed Abuhasna, DOInternal Medicine Physician1841985025
  3. Sara AbuzahraObstetrics & Gynecology Physician1952105066
  4. Fabiola Adkisson, MDInternal Medicine Physician1184474843
  5. Muhammad Ahmad, M.D.Internal Medicine Physician1407422629
  6. Reda Ahmed, MDInternal Medicine Physician1790618064

Verify Jonathan Jacob Dietrich 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 125081580
    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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

48 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Jonathan Dietrich48
  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.

Jonathan Jacob Dietrich among 7,238 internal medicine physician records in Illinois

Jonathan Jacob Dietrich, MD 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 2023, is newer than 82% of them.

  • NPI issued2023 · 82% of these records are older, 13% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2023 · 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).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bruce Blacker, M.D.Chicago, IL 606571982603924
  2. Brian Boholst, M.D.Chicago, IL 606571235181959
  3. Edgar Borda, MDChicago, IL 606571891782447
  4. Harold EulienChicago, IL 606571700877222
  5. Lisa Greising, M.D.Chicago, IL 606571578523155
  6. Michael Grendon, M.D.Chicago, IL 606571922007962
  7. Catherine Kallal, MDChicago, IL 606571407801665
  8. Alam Khan, M.D.Chicago, IL 606571316946288

Common questions

What is Jonathan Jacob Dietrich, MD's NPI number?

Jonathan Jacob Dietrich, MD's National Provider Identifier (NPI) is 1073216131, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Jacob Dietrich, MD located?

The NPPES record lists a practice address at 3134 N Clark St, Chicago, IL, 60657. Phone: (312) 766-4949. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Jacob Dietrich, MD's license?

NPPES lists Illinois license number 125081580, 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 Jonathan Jacob Dietrich, MD prescribe under Medicare Part D?

In 2024, Jonathan Jacob Dietrich, MD had 48 Medicare Part D claims for 22 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.