Marc Nelson
NPI 1043637325 · Urology Physician · Libertyville, IL
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Nelson is a Urology Physician provider in Libertyville, IL (NPI 1043637325).
Provider details
- NPI number
- 1043637325
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036147744 (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
12 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
2,862 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 | 671 | $2 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 541 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 351 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 180 | $128 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 178 | $11 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 392 | 131 |
| Cephalexin | 114 | 70 |
| Finasteride | 91 | 29 |
| Vibegronbrand: Gemtesa | 87 | 26 |
| Mirabegronbrand: Myrbetriq | 77 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 75 | 58 |
| Estradiol | 59 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,267 across 48 records (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
- 2014-03-25
- Last updated
- 2023-12-01
- Certified
- 2023-12-01
Frequently asked questions
- What is Marc Nelson's NPI number?
- Marc Nelson's National Provider Identifier (NPI) is 1043637325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Nelson's specialty?
- Marc Nelson is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Nelson located?
- Marc Nelson's practice location on file with NPPES is 1800 Hollister Dr Ste 107, Libertyville, IL 60048-5265.
- What is Marc Nelson's phone number?
- The practice phone number listed in the NPPES registry for Marc Nelson is (847) 295-0010.
- Does Marc Nelson accept Medicare?
- Marc Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Nelson's NPI active?
- Yes — Marc Nelson's NPI (1043637325) is active in the NPPES registry as of the last update on 2023-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.