Dr. Marc A. Singer, MD
- Medicare services, 2024
- 356
- Medicare patients, 2024
- 222
- Part D claims, 2024
- 243
- Hospital affiliations
- 1
- Industry payments
- $320,151
- Practice address
- 2160 S 1st Avenue, Maywood, IL 60153
- Practice phone
- Call (708) 216-3299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loyola Medicine Pediatric Mobile Health Unit
Mobile Lab · Maywood, Illinois
Find Dr. Singer'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.
Dr. Marc A. Singer is a colorectal surgeon in Maywood, Illinois
Dr. Singer practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois.
Dr. Singer's NPI, 1194732909, was assigned on August 2, 2006. Dr. Singer graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1997. Dr. Singer holds Illinois license 036100526.
- NPI
- 1194732909NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315943172
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 216-3299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc A. Singer practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois
Dr. Singer's primary practice is Loyola Medicine Pediatric Mobile Health Unit, at 2160 S 1st Avenue, Maywood, IL 60153. The practice phone is (708) 216-3299.
- Loyola Medicine Pediatric Mobile Health Unit2160 S 1st Avenue, Maywood, IL 60153Phone(708) 216-3299
Source: Dmand AI Affiliation Data
Dr. Marc A. Singer is affiliated with 3 sites of care and 2 medical groups
Dr. Singer's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois. Dr. Singer is also affiliated with Loyola University Medical Center. The medical group on file is Loyola University Medical Center. Dmand AI also links Dr. Singer to 1 more home health agency and 1 medical group, each named with a free account. Dr. Singer's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marc A. Singer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loyola Medicine Pediatric Mobile Health Unit | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc A. Singer is one of 78 colorectal surgeons in Illinois
Colon and rectal surgery is Dr. Singer's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Singer is licensed in Illinois.
Specialties and state licenses
- Colon and rectal surgery, IllinoisPrimary
Colorectal surgeons near Dr. Singer
Counts of colorectal surgeons 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 A. Singer billed Medicare for 356 services in 2024
CMS data shows 356 Medicare services from Dr. Singer across 8 procedure codes in 2024, for 222 Medicare patients. Medicare paid $23,545 for them.
Dr. Singer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2812024: 32114%
- Surgery
- 2023: 512024: 3531%
Where Dr. Singer's Medicare services took place, 2024
- In an office3710%
- In a facility31990%
Dr. Singer compared with the Illinois median for colorectal surgeons, 2024
- Dr. Singer
- Illinois median
- Medicare services
- 356vs 21863% above
- Medicare patients
- 222vs 16039% above
- Part D claims
- 162vs 10357% above
Medians across 71 colorectal surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Singer'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 Dr. Singer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Singer and other colorectal surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc A. Singer treated 222 Medicare patients in 2024, average age 72
CMS counts 222 Medicare patients who saw Dr. Singer in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 22% are also on Medicaid. Their average risk score is 2.20, 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. Singer's median patient age at 69, with 54% women.
Dr. Singer's Medicare patients by age, 2024
Dr. Singer's Medicare patients by sex, 2024
- Women12155%
- Men10145%
Chronic conditions among Dr. Singer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis46%
- Cancer43%
- Diabetes32%
- Chronic kidney disease31%
- Mood disorders28%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Singer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc A. Singer wrote 243 Medicare Part D claims in 2024
In 2024, Dr. Singer wrote 243 Medicare Part D claims for 107 patients. 75% of them were for generic drugs. CMS names the drug for 162 of them, across 5 drugs with 11 or more claims each, at $5,005 in total drug cost. In 2023, CMS named 135 claims across 6 drugs.
Dr. Singer's Part D claims by kind of drug, 2024
- Generic183 claims75%
- Brand-name60 claims25%
Dr. Singer'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 Dr. Singer's Part D claims, 2024
- Opioids7%17 of 243 claims
- Antibiotics36%87 of 243 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: 1352024: 16220%
Drugs named by CMS: 5 in 2024, 6 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
Dr. Marc A. Singer ranks in the 56th percentile for colonoscopy in Medicare
Dr. Singer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of colonoscopy by Dr. Singer, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Singer ranks in Medicare procedure volume
- Colonoscopy
- 56th percentile35 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Marc A. Singer received $320,151 in industry payments from 2016 to 2025
CMS Open Payments shows 463 general payments to Dr. Singer from 31 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 39% of the total. Medical Device Business Services, Inc. paid the most, $98,481. It also lists 1 research payment totaling $1,980 in 2016.
General payments to Dr. Singer by program year, 2016 to 2025
General payments to Dr. Singer by kind, 2016 to 2025
- Consulting fees$125,22639%
- Speaker and faculty fees$92,75829%
- Travel and lodging$43,54814%
- Honoraria$22,8507%
- Other$35,76911%
Companies that paid Dr. Singer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc A. Singer graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Singer graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc A. Singer'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)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 Dr. Marc A. Singer
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 A. Singer's NPI number?
Dr. Marc A. Singer's NPI number is 1194732909. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc A. Singer?
Dr. Marc A. Singer is a colorectal surgeon in Maywood, Illinois. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Marc A. Singer practice?
Dr. Singer practices at 2160 S 1st Avenue, Maywood, IL 60153. Dr. Singer's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois. Dmand AI also links Dr. Singer to 1 home health agency and 1 medical group.
What is Dr. Marc A. Singer's office phone number?
The practice phone on file for Dr. Singer is (708) 216-3299.
What is Dr. Marc A. Singer's medical license number?
Dr. Singer holds Illinois license 036100526.
Which hospitals is Dr. Marc A. Singer affiliated with?
Dr. Singer is affiliated with Loyola University Medical Center.
What medical group is Dr. Marc A. Singer part of?
Dr. Singer is linked to Loyola University Medical Center. Dmand AI links Dr. Singer to 1 more medical group.
Does Dr. Marc A. Singer accept Medicare?
Yes. CMS data shows Dr. Singer billed Medicare for 356 services in 2024, and Dr. Singer accepts Medicare assignment.
How many Medicare patients does Dr. Marc A. Singer see?
CMS counts 222 Medicare patients who saw Dr. Singer in 2024, with an average age of 72.
What services does Dr. Marc A. Singer bill to Medicare?
In 2024, Dr. Singer's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99233) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. Marc A. Singer go to medical school?
Dr. Singer graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1997.
What drugs does Dr. Marc A. Singer prescribe most?
In 2024 Medicare Part D data, Dr. Singer's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Metronidazole and Neomycin Sulfate.
Has Dr. Marc A. Singer received payments from drug or device companies?
CMS Open Payments shows $320,151 in general payments to Dr. Singer from 31 companies from 2016 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. Marc A. Singer been practicing?
Dr. Singer graduated from medical school in 1997, 29 years ago.
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