Spencer Grant Suppes, DO
Emergency Medicine Physician · Huntley, IL
Spencer Grant Suppes, DO is an emergency medicine physician with a practice address in Huntley, Illinois, and NPI 1144842279, issued on May 12, 2020. Check the license (Illinois 036161712, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Spencer Grant Suppes
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036161712 IL
125.076420 IL
Self-reported in NPPES; status is on the state search - Practice location
- 10400 Haligus RD, Huntley, IL 60142
- Phone
- (224) 654-0100
- Enumerated
- May 12, 2020
- Record last updated
- Sep 27, 2024
- Fax
- (224) 654-0105
- Medicare enrollment
- Enrolled (PECOS I20230124003110); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 10400 Haligus RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stuart Cohen, MDAnesthesiology Physician1043261449
- Andrew Diaz, DOInternal Medicine Physician1255951786
Verify Spencer Grant Suppes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036161712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average emergency medicine physician in 2024
126 Medicare Part D claims for 84 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Cephalexin14 claims
- Naproxen12 claims
- Prednisone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14.03
1 payment: food and beverage; the largest payer was Pfizer Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Foundation For Emergency ServicesChicago, IL
- Northwestern Medical Faculty FoundationHuntley, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Grant Suppes among 3,291 emergency medicine physician records in Illinois
Spencer Grant Suppes, DO is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 78% of them.
- NPI issued2020 · 78% of these records are older, 18% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2012 among the 1,867 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in Huntley
They are 9 of the 372 NPPES records with a practice address in Huntley, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Huntley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Heather Eslinger, MDHuntley, IL 601421326506080
- Charles Longdon, D.O.Huntley, IL 601421770512170
- Abdel Noureldin, MDHuntley, IL 601421134172943
- Hemant Patel, MDHuntley, IL 601421659329324
- Nikita PatelHuntley, IL 601421275037392
- Christopher Ring, MDHuntley, IL 601421639526320
- David RuehlmannHuntley, IL 601421376112474
- Al Sarraj, MDHuntley, IL 601421073538880
Common questions
What is Spencer Grant Suppes, DO's NPI number?
Spencer Grant Suppes, DO's National Provider Identifier (NPI) is 1144842279, issued on May 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Grant Suppes, DO located?
The NPPES record lists a practice address at 10400 Haligus RD, Huntley, IL, 60142. Phone: (224) 654-0100. Providers update this record themselves, so call before visiting.
How can I verify Spencer Grant Suppes, DO's license?
NPPES lists Illinois license number 036161712, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Spencer Grant Suppes, DO prescribe under Medicare Part D?
In 2024, Spencer Grant Suppes, DO had 126 Medicare Part D claims for 84 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.