Dr. Marc R. Spiller, MD
- Medicare services, 2024
- 321
- Medicare patients, 2024
- 295
- Part D claims, 2024
- 76
- Hospital affiliations
- 1
- Industry payments
- $22
- Practice address
- 3815 Highland Avenue, Downers Grove, IL 60515
- Practice phone
- Call (630) 275-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Spiller's professional email, personal email and mobile number
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Dr. Marc R. Spiller is an emergency medicine physician in Downers Grove, Illinois
Dr. Spiller practices at Advocate Good Samaritan Hospital in Downers Grove, Illinois, part of Advocate Health.
Dr. Spiller's NPI, 1093715815, was assigned on July 22, 2005. Dr. Spiller graduated from Indiana University School of Medicine in 2000. Dr. Spiller holds Illinois license 036107397.
- NPI
- 1093715815NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981504628
- NPI enumeration date
- July 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 275-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc R. Spiller practices at Advocate Good Samaritan Hospital in Downers Grove, Illinois
Dr. Spiller's primary practice is Advocate Good Samaritan Hospital, at 3815 Highland Avenue, Downers Grove, IL 60515 in Du Page County. The practice phone is (630) 275-5900.
- Advocate Good Samaritan Hospital3815 Highland Avenue, Downers Grove, IL 60515 · Du Page CountyPhone(630) 275-5900
Source: Dmand AI Affiliation Data
Dr. Marc R. Spiller is affiliated with 1 site of care and 2 medical groups
Dr. Spiller's primary practice is Advocate Good Samaritan Hospital in Downers Grove, Illinois, part of Advocate Health. The medical group on file is DuPage Emergency Physicians. Dmand AI also links Dr. Spiller to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marc R. Spiller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spiller practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Good Samaritan Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc R. Spiller is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Spiller's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Spiller is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Spiller
Counts of emergency medicine physicians 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
Dr. Marc R. Spiller billed Medicare for 321 services in 2024
CMS data shows 321 Medicare services from Dr. Spiller across 5 procedure codes in 2024, for 295 Medicare patients. Medicare paid $38,802 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Spiller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2302024: 29830%
- Tests and treatments
- 2023: 322024: 2328%
Dr. Spiller compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Spiller
- Illinois median
- Medicare services
- 321vs 27417% above
- Medicare patients
- 295vs 2738% above
- Part D claims
- 37vs 4518% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Spiller'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc R. Spiller treated 295 Medicare patients in 2024, average age 79
CMS counts 295 Medicare patients who saw Dr. Spiller in 2024. The largest group is 85 and over, with 101 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Spiller's median patient age at 48, with 52% women.
Dr. Spiller's Medicare patients by age, 2024
Dr. Spiller's Medicare patients by sex, 2024
- Women17559%
- Men12041%
Chronic conditions among Dr. Spiller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes45%
- Chronic kidney disease44%
- Mood disorders44%
- Depression42%
- Ischemic heart disease42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spiller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc R. Spiller wrote 76 Medicare Part D claims in 2024
In 2024, Dr. Spiller wrote 76 Medicare Part D claims for 53 patients. 100% of them were for generic drugs. CMS names the drug for 37 of them, across 3 drugs with 11 or more claims each, at $301 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Spiller's most prescribed drugs by claims, 2022
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 Dr. Spiller's Part D claims, 2024
- Antibiotics25%19 of 76 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, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 112022: 37236%
Drugs named by CMS: 3 in 2022, 1 in 2019.
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
How Dr. Marc R. Spiller takes part in Medicare
Dr. Spiller accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marc R. Spiller received $22 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Spiller from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $22.
Companies that paid Dr. Spiller the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc R. Spiller graduated from Indiana University School of Medicine
Dr. Spiller graduated from Indiana University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc R. Spiller'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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 Dr. Marc R. Spiller
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marc R. Spiller's NPI number?
Dr. Marc R. Spiller's NPI number is 1093715815. It was assigned on July 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc R. Spiller?
Dr. Marc R. Spiller is an emergency medicine physician in Downers Grove, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Marc R. Spiller practice?
Dr. Spiller practices at 3815 Highland Avenue, Downers Grove, IL 60515. Dr. Spiller's primary practice is Advocate Good Samaritan Hospital in Downers Grove, Illinois, part of Advocate Health. Dmand AI also links Dr. Spiller to 1 medical group.
What is Dr. Marc R. Spiller's office phone number?
The practice phone on file for Dr. Spiller is (630) 275-5900.
What is Dr. Marc R. Spiller's medical license number?
Dr. Spiller holds Illinois license 036107397.
Which hospitals is Dr. Marc R. Spiller affiliated with?
Dr. Spiller practices at Advocate Good Samaritan Hospital in Downers Grove, Illinois.
What medical group is Dr. Marc R. Spiller part of?
Dr. Spiller is linked to DuPage Emergency Physicians. Dmand AI links Dr. Spiller to 1 more medical group.
Does Dr. Marc R. Spiller accept Medicare?
Yes. CMS data shows Dr. Spiller billed Medicare for 321 services in 2024, and Dr. Spiller accepts Medicare assignment.
How many Medicare patients does Dr. Marc R. Spiller see?
CMS counts 295 Medicare patients who saw Dr. Spiller in 2024, with an average age of 79.
What services does Dr. Marc R. Spiller bill to Medicare?
In 2024, Dr. Spiller's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
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Where did Dr. Marc R. Spiller go to medical school?
Dr. Spiller graduated from Indiana University School of Medicine in 2000.
What drugs does Dr. Marc R. Spiller prescribe most?
In 2022 Medicare Part D data, Dr. Spiller's most prescribed drugs by claims were Methylprednisolone, Furosemide and Losartan Potassium.
Has Dr. Marc R. Spiller received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Spiller from 1 company from 2019 to 2019. The largest total came from Genentech, Inc.
How long has Dr. Marc R. Spiller been practicing?
Dr. Spiller graduated from medical school in 2000, 26 years ago.
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