Marc Harrison Nelson
- Medicare services, 2024
- 4,012
- Medicare patients, 2024
- 657
- Part D claims, 2024
- 1,401
- MIPS score, 2024
- 75
- Hospital affiliations
- 4
- Practice address
- 1800 Hollister Dr, Libertyville, IL 60048
- Practice phone
- Call (847) 549-1176
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grand Oaks Surgical, S.C.
Libertyville, Illinois
Find Marc Nelson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marc Harrison Nelson is a urologist in Libertyville, Illinois
Marc Nelson practices at Grand Oaks Surgical, S.C. in Libertyville, Illinois.
Marc Nelson's NPI, 1043637325, was assigned on March 25, 2014. Marc Nelson graduated from University of Virginia School of Medicine in 2014. Marc Nelson holds Illinois license 036147744.
- NPI
- 1043637325NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072814862
- NPI enumeration date
- March 25, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 549-1176
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marc Harrison Nelson practices at Grand Oaks Surgical, S.C. in Libertyville, Illinois
Marc Nelson's primary practice is Grand Oaks Surgical, S.C., at 1800 Hollister Dr, Libertyville, IL 60048 in Lake County. The practice phone is (847) 549-1176.
- Grand Oaks Surgical, S.C.1800 Hollister Dr, Libertyville, IL 60048 · Lake CountyPhone(847) 549-1176
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marc Harrison Nelson is affiliated with 7 sites of care and 2 medical groups
Marc Nelson's primary practice is Grand Oaks Surgical, S.C. in Libertyville, Illinois. Marc Nelson is also affiliated with Advocate Condell Medical Center. The medical group on file is UroPartners. Dmand AI also links Marc Nelson to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Marc Harrison Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marc Nelson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Oaks Surgical, S.C. | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Marc Harrison Nelson is one of 513 urologists in Illinois
Urology is Marc Nelson's primary specialty in the NPI Registry, under taxonomy code 208800000X. Marc Nelson is licensed in Illinois.
Specialties and state licenses
- Urology, IllinoisPrimary
Urologists near Marc Nelson
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Marc Harrison Nelson billed Medicare for 4,012 services in 2024
CMS data shows 4,012 Medicare services from Marc Nelson across 26 procedure codes in 2024, for 657 Medicare patients. Medicare paid $146,326 for them.
Marc Nelson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 1,150
- Office and hospital visits
- 2023: 9472024: 84910%
- Surgery
- 2023: 6082024: 74923%
- Lab and pathology
- 2023: 6452024: 6714%
- Other services
- 2023: 02024: 541
- Imaging
- 2023: 522024: 52No change
- Tests and treatments
- 2023: 202024: 0100%
Where Marc Nelson's Medicare services took place, 2024
- In an office3,84196%
- In a facility1714%
Marc Nelson compared with the Illinois median for urologists, 2024
- Marc Nelson
- Illinois median
- Medicare services
- 4,012vs 1,3233.0 times
- Medicare patients
- 657vs 49034% above
- Part D claims
- 1,282vs 3583.6 times
Medians across 498 urologists in Illinois with Dmand AI profiles that report each measure.
Marc Nelson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Marc Nelson?
Medicare shows one payer. Book a meeting to get commercial claims data for Marc Nelson and other urologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Marc Harrison Nelson treated 657 Medicare patients in 2024, average age 75
CMS counts 657 Medicare patients who saw Marc Nelson in 2024. The largest group is 65 to 74, with 287 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marc Nelson's median patient age at 67, with 27% women.
Marc Nelson's Medicare patients by age, 2024
Marc Nelson's Medicare patients by sex, 2024
- Women20431%
- Men45369%
Chronic conditions among Marc Nelson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Ischemic heart disease35%
- Diabetes34%
- Cancer30%
- Chronic kidney disease30%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Marc Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women27%
- Men72%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marc Harrison Nelson wrote 1,401 Medicare Part D claims in 2024
In 2024, Marc Nelson wrote 1,401 Medicare Part D claims for 419 patients. 83% of them were for generic drugs. CMS names the drug for 1,282 of them, across 23 drugs with 11 or more claims each, at $279,480 in total drug cost. In 2023, CMS named 923 claims across 21 drugs.
Marc Nelson's Part D claims by kind of drug, 2024
- Generic1,168 claims83%
- Brand-name233 claims17%
Marc Nelson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Marc Nelson's Part D claims, 2024
- Opioids3%36 of 1,401 claims
- Antibiotics26%361 of 1,401 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9232024: 1,28239%
Drugs named by CMS: 23 in 2024, 21 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marc Harrison Nelson scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Marc Nelson for performance year 2024, reported as part of a group. Marc Nelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marc Nelson as offering telehealth. CMS counts 17 procedures of prostate resection by Marc Nelson, more than 76% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
Where Marc Nelson ranks in Medicare procedure volume
- Prostate resection
- 76th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Marc Harrison Nelson received $9,723 in industry payments from 2016 to 2025
CMS Open Payments shows 318 general payments to Marc Nelson from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. Boston Scientific Corporation paid the most, $2,927.
General payments to Marc Nelson by program year, 2016 to 2025
General payments to Marc Nelson by kind, 2016 to 2025
- Food and beverage$8,75190%
- Travel and lodging$8999%
- Education$731%
Companies that paid Marc Nelson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Marc Harrison Nelson graduated from University of Virginia School of Medicine
Marc Nelson graduated from University of Virginia School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marc Harrison Nelson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Marc Harrison Nelson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marc Harrison Nelson's NPI number?
Marc Harrison Nelson's NPI number is 1043637325. It was assigned on March 25, 2014, and it is active in the NPI Registry.
What does Marc Harrison Nelson specialize in?
Marc Harrison Nelson is a urologist in Libertyville, Illinois. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Marc Harrison Nelson practice?
Marc Nelson practices at 1800 Hollister Dr, Libertyville, IL 60048. Marc Nelson's primary practice is Grand Oaks Surgical, S.C. in Libertyville, Illinois. Dmand AI also links Marc Nelson to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Marc Harrison Nelson's office phone number?
The practice phone on file for Marc Nelson is (847) 549-1176.
What is Marc Harrison Nelson's medical license number?
Marc Nelson holds Illinois license 036147744.
Which hospitals is Marc Harrison Nelson affiliated with?
Marc Nelson is affiliated with Advocate Condell Medical Center. Dmand AI links Marc Nelson to 3 more hospitals.
What medical group is Marc Harrison Nelson part of?
Marc Nelson is linked to UroPartners. Dmand AI links Marc Nelson to 1 more medical group.
Does Marc Harrison Nelson accept Medicare?
Yes. CMS data shows Marc Nelson billed Medicare for 4,012 services in 2024, and Marc Nelson accepts Medicare assignment.
Does Marc Harrison Nelson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Marc Nelson as offering telehealth services.
What is Marc Harrison Nelson's MIPS score?
Marc Nelson's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Marc Harrison Nelson see?
CMS counts 657 Medicare patients who saw Marc Nelson in 2024, with an average age of 75.
What services does Marc Harrison Nelson bill to Medicare?
In 2024, Marc Nelson's most billed Medicare services were injected or infused drug (J9030), lab and pathology test (81003) and medicare service (G2211).
Where did Marc Harrison Nelson go to medical school?
Marc Nelson graduated from University of Virginia School of Medicine in 2014.
What drugs does Marc Harrison Nelson prescribe most?
In 2024 Medicare Part D data, Marc Nelson's most prescribed drugs by claims were Tamsulosin HCl, Cephalexin and Finasteride.
Has Marc Harrison Nelson received payments from drug or device companies?
CMS Open Payments shows $9,723 in general payments to Marc Nelson from 49 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Marc Harrison Nelson been practicing?
Marc Nelson graduated from medical school in 2014, 12 years ago.
Selling to urology practices?
See urologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card