Joel Retsky, MD
NPI 1568420057 · Gastroenterology Physician · Highland Park, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Retsky, MD is a Gastroenterology Physician provider in Highland Park, IL (NPI 1568420057).
Provider details
- NPI number
- 1568420057
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 03-6084395 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,861 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 488 | $264 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 476 | $20 |
| Injection Beneath Lining of Large Bowel Using a Flexible Endoscope45381 | 260 | $16 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 136 | $6 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 127 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 405 | 400 |
| Omeprazole | 279 | 98 |
| Prucalopride Succinatebrand: Motegrity | 115 | 20 |
| Mesalamine | 108 | 30 |
| Pantoprazole Sodium | 100 | 38 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 82 | 81 |
| Sodium, Potassium,mag Sulfates |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Frequently asked questions
- What is Joel Retsky's NPI number?
- Joel Retsky's National Provider Identifier (NPI) is 1568420057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Retsky's specialty?
- Joel Retsky is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Retsky located?
- Joel Retsky's practice location on file with NPPES is 1777 Green Bay Rd, Highland Park, IL 60035-3297.
- What is Joel Retsky's phone number?
- The practice phone number listed in the NPPES registry for Joel Retsky is (847) 433-3460.
- Does Joel Retsky accept Medicare?
- Joel Retsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Retsky's NPI active?
- Yes — Joel Retsky's NPI (1568420057) is active in the NPPES registry as of the last update on 2020-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.