CarboxyhemoglobinCOVID-19Emergency Service, Hospital
Dr. Spencer Grant Suppes, DO
NPI1144842279PAC ID3577934868
- Medicare services, 2024
- 198
- Medicare patients, 2024
- 210
- Part D claims, 2024
- 126
- Publications
- 1
- MIPS score, 2024
- 95
- Practice address
- 4201 Medical Center Drive, Mchenry, IL 60050
- Practice phone
- Call (815) 344-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Suppes' 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. Spencer Grant Suppes is an emergency medicine physician in Mchenry, Illinois
Dr. Suppes practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare.
Dr. Suppes' NPI, 1144842279, was assigned on May 12, 2020. Dr. Suppes graduated from Midwestern University, Chicago College of Osteopathic Med in 2020. Dr. Suppes holds Illinois license 036161712.
NPI and contact details
- NPI
- 1144842279NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577934868
- NPI enumeration date
- May 12, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 344-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Spencer Grant Suppes practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois
Dr. Suppes' primary practice is Northwestern Medicine McHenry Hospital, at 4201 Medical Center Drive, Mchenry, IL 60050 in Mc Henry County. The practice phone is (815) 344-5000.
- Northwestern Medicine McHenry Hospital4201 Medical Center Drive, Mchenry, IL 60050 · Mc Henry CountyPhone(815) 344-5000
Source: Dmand AI Affiliation Data
Dr. Spencer Grant Suppes is affiliated with 5 sites of care and 2 medical groups
Dr. Suppes' primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dr. Suppes is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Suppes to 2 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Northwestern Medicine Central DuPage HospitalNorthwestern Medical Faculty Foundation2 hospitalsNames with a free account1 group practice or clinicName with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. SuppesSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Spencer Grant Suppes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Suppes practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine McHenry Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Spencer Grant Suppes is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Suppes' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Suppes is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Suppes
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
2,385emergency medicine physicians in Illinois36emergency medicine physicians in Mchenry36emergency medicine physicians at Northwestern Medicine McHenry Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Spencer Grant Suppes billed Medicare for 198 services in 2024
CMS data shows 198 Medicare services from Dr. Suppes across 3 procedure codes in 2024, for 210 Medicare patients. Medicare paid $26,018 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024198
Medicare patients210
Paid by Medicare$26,018
Procedure codes3
Dr. Suppes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 632024: 198214%
Dr. Suppes compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Suppes
- Illinois median
- Medicare services
- 198vs 27428% below
- Medicare patients
- 210vs 27323% below
- Part D claims
- 37vs 4518% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Suppes' 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. Suppes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Suppes and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Spencer Grant Suppes treated 210 Medicare patients in 2024, average age 76
CMS counts 210 Medicare patients who saw Dr. Suppes in 2024. The largest group is 75 to 84, with 82 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.08, 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. Suppes' median patient age at 71, with 53% women.
Medicare patients, 2024210
Average age76
Average risk score2.08
Also on Medicaid17%
Dr. Suppes' Medicare patients by age, 2024
Dr. Suppes' Medicare patients by sex, 2024
- Women12560%
- Men8540%
Chronic conditions among Dr. Suppes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Chronic kidney disease48%
- Ischemic heart disease47%
- Anxiety44%
- Heart failure41%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Suppes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Spencer Grant Suppes wrote 126 Medicare Part D claims in 2024
In 2024, Dr. Suppes wrote 126 Medicare Part D claims for 84 patients. 94% of them were for generic drugs. CMS names the drug for 37 of them, across 3 drugs with 11 or more claims each, at $162 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Part D claims, 2024126
Drugs named by CMS3
Total drug cost$162
Part D patients84
Dr. Suppes' Part D claims by kind of drug, 2024
- Generic118 claims94%
- Brand-name and other8 claims6%
Dr. Suppes' 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. Suppes' Part D claims, 2024
- Opioids9%11 of 126 claims
- Antibiotics35%44 of 126 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: 252024: 3748%
Drugs named by CMS: 3 in 2024, 2 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. Spencer Grant Suppes scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Suppes for performance year 2024, reported through an alternative payment model (APM). Dr. Suppes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Suppes' MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Spencer Grant Suppes has 1 publication on record
Dmand AI links 1 paper to Dr. Suppes in 2020. Dr. Suppes' most frequent co-authors are Marina Karamanis, DO, Kaushal Majmudar, DO and Christine Anne Patte, DO.
Papers1
Dr. Suppes' most frequent co-authors
- Marina Karamanis, DO1 shared paper
- Kaushal Majmudar, DO1 shared paper
- Christine Anne Patte, DO1 shared paper
Recent publications by Dr. Suppes
See who Dr. Suppes researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Suppes works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Spencer Grant Suppes received $32 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to Dr. Suppes from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $18.
General payments to Dr. Suppes by program year, 2023 to 2024
Companies that paid Dr. Suppes the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Spencer Grant Suppes graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Suppes graduated from Midwestern University, Chicago College of Osteopathic Med in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Spencer Grant Suppes'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Spencer Grant Suppes
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. Spencer Grant Suppes' NPI number?
Dr. Spencer Grant Suppes' NPI number is 1144842279. It was assigned on May 12, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Spencer Grant Suppes?
Dr. Spencer Grant Suppes is an emergency medicine physician in Mchenry, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Spencer Grant Suppes practice?
Dr. Suppes practices at 4201 Medical Center Drive, Mchenry, IL 60050. Dr. Suppes' primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Suppes to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Spencer Grant Suppes' office phone number?
The practice phone on file for Dr. Suppes is (815) 344-5000.
What is Dr. Spencer Grant Suppes' medical license number?
Dr. Suppes holds Illinois license 036161712.
Which hospitals is Dr. Spencer Grant Suppes affiliated with?
Dr. Suppes practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois. Dr. Suppes is also affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Suppes to 2 more hospitals.
What medical group is Dr. Spencer Grant Suppes part of?
Dr. Suppes is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Suppes to 1 more medical group.
Does Dr. Spencer Grant Suppes accept Medicare?
Yes. CMS data shows Dr. Suppes billed Medicare for 198 services in 2024, and Dr. Suppes accepts Medicare assignment.
What is Dr. Spencer Grant Suppes' MIPS score?
Dr. Suppes' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Spencer Grant Suppes see?
CMS counts 210 Medicare patients who saw Dr. Suppes in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Spencer Grant Suppes bill to Medicare?
In 2024, Dr. Suppes' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Spencer Grant Suppes go to medical school?
Dr. Suppes graduated from Midwestern University, Chicago College of Osteopathic Med in 2020.
What drugs does Dr. Spencer Grant Suppes prescribe most?
In 2024 Medicare Part D data, Dr. Suppes' most prescribed drugs by claims were Cephalexin, Naproxen and Prednisone.
Has Dr. Spencer Grant Suppes received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Suppes from 2 companies from 2023 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Spencer Grant Suppes been practicing?
Dr. Suppes graduated from medical school in 2020, 6 years ago.
Does Dr. Spencer Grant Suppes do research?
Dmand AI links 1 publication to Dr. Suppes.
Who does Dr. Spencer Grant Suppes publish with?
Dr. Suppes' most frequent co-authors are Marina Karamanis, DO (1 shared paper), Kaushal Majmudar, DO (1 shared paper) and Christine Anne Patte, DO (1 shared paper).
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