NPPES file of Aug 9, 2026

Theodore Deitz, MD

Pediatric Cardiology Physician · Oak Lawn, IL

Theodore Deitz, MD is a pediatric cardiology physician with a practice address in Oak Lawn, Illinois, and NPI 1790361426, issued on Mar 23, 2021. Check the license (Illinois 036.170936, 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
1790361426
Name
Theodore Deitz
Credential
MD
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License numbers
036.170936 IL
125.078500 IL
Self-reported in NPPES; status is on the state search
Practice location
4440 W 95TH St, Oak Lawn, IL 60453
Phone
(708) 684-5580
Enumerated
Mar 23, 2021
Record last updated
May 16, 2025
Fax
(708) 684-4068
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 4440 W 95TH St

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

  1. Nadia Abdessalam, FNP-BCFamily Nurse Practitioner1356888283
  2. Akram Abdoue, M.D.Anesthesiology Physician1992752489
  3. Ahmad Abdulla, MDEmergency Medicine Physician1467202556
  4. Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
  5. Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
  6. Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663

Verify Theodore Deitz 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 036.170936
    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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38% more Medicare Part D claims than the average pediatric cardiology physician in 2024

102 Medicare Part D claims for 25 beneficiaries, against an average of 74 among the 518 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Theodore Deitz102
  2. Specialty average74

Most prescribed

  1. Eliquis11 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: $17.18

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Theodore Deitz$17.18
  2. Specialty average$2,864.57

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

Theodore Deitz among 162 pediatric cardiology physician records in Illinois

Theodore Deitz, MD is one of 162 pediatric cardiology physician records with a practice address in Illinois. 60% 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 94% of them.

  • NPI issued2021 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2025 · 27% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in Illinois

There are 162 pediatric cardiology physician records in Illinois.

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Andrew Griffin, MDOak Lawn, IL 604531629023247
  2. Tarek Husayni, MDOak Lawn, IL 604531649251364
  3. Alexander Javois, MDOak Lawn, IL 604531023099744
  4. Sunthorn Muangmingsuk, MDOak Lawn, IL 604531174504880
  5. Melissa Nater, M.D.Oak Lawn, IL 604531902004302
  6. Earl Ow, MDOak Lawn, IL 604531235110958
  7. Dhaval Patel, M.D.Oak Lawn, IL 604531306034897
  8. David Roberson, MDOak Lawn, IL 604531578544292

Common questions

What is Theodore Deitz, MD's NPI number?

Theodore Deitz, MD's National Provider Identifier (NPI) is 1790361426, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Theodore Deitz, MD located?

The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 684-5580. Providers update this record themselves, so call before visiting.

How can I verify Theodore Deitz, MD's license?

NPPES lists Illinois license number 036.170936, 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 Theodore Deitz, MD prescribe under Medicare Part D?

In 2024, Theodore Deitz, MD had 102 Medicare Part D claims for 25 beneficiaries; the average among pediatric cardiology physician prescribers was 74. 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.