Dennis Pessis, M.D.
NPI 1578540746 · Urology Physician · Lake Forest, IL
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Pessis, M.D. is a Urology Physician provider in Lake Forest, IL (NPI 1578540746).
Provider details
- NPI number
- 1578540746
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036050130 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,891 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 528 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 494 | $135 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 352 | $9 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 209 | $12 |
| Electronic Assessment of Bladder Emptying51741 | 105 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 346 | 110 |
| Finasteride | 109 | 33 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 61 | 20 |
| Silodosin | 46 | 16 |
| Bicalutamide | 30 | — |
| Oxybutynin Chloride | 27 | 11 |
| Ciprofloxacin Hcl | 20 | 11 |
| Mirabegron |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 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
Additional practice locations (1)
- 1725 W Harrison StSuite 970Chicago, IL 60612-3841Phone: (312) 563-3447
Registry dates
- Enumerated
- 2005-12-28
- Last updated
- 2022-07-21
Frequently asked questions
- What is Dennis Pessis's NPI number?
- Dennis Pessis's National Provider Identifier (NPI) is 1578540746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Pessis's specialty?
- Dennis Pessis is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Pessis located?
- Dennis Pessis's practice location on file with NPPES is 900 N Westmoreland Rd Ste 128, Lake Forest, IL 60045-1688.
- What is Dennis Pessis's phone number?
- The practice phone number listed in the NPPES registry for Dennis Pessis is (847) 535-7657.
- Does Dennis Pessis accept Medicare?
- Dennis Pessis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Pessis's NPI active?
- Yes — Dennis Pessis's NPI (1578540746) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.