Susannah E. Spiess, MD
Gastroenterology Physician · Glenview, IL
Susannah E. Spiess, MD is a gastroenterology physician with a practice address in Glenview, Illinois, and NPI 1427076082, issued on Jul 18, 2006. Check the license (Illinois 036084828, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Susannah E. Spiess
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036084828 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Pfingsten RD, Glenview, IL 60026
- Phone
- (847) 657-1900
- Enumerated
- Jul 18, 2006
- Record last updated
- Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (847) 657-1961
- Medicare enrollment
- Enrolled (PECOS I20050913000061); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1990
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 2100 Pfingsten RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arya AiwinPsychiatric/Mental Health Nurse Practitioner1427986744
- Jeffrey Albaugh, PHD, APRN, CUCNSClinical Nurse Specialist1801967229
- Diane AlkatoutHospitalist Physician1447838206
- Mary Alvarado, PTPhysical Therapist1417279092
- Ana Thereza Barion, MDNeurology Physician1083889232
- Ermilo Barrera, MDSurgery Physician1447327192
Verify Susannah E. Spiess 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 036084828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average gastroenterology physician in 2024
532 Medicare Part D claims for 379 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Gavilyte-C257 claims
- Peg 3350-Electrolyte53 claims
- Ondansetron Hcl34 claims
- Pantoprazole Sodium26 claims
- Mesalamine23 claims
- Famotidine21 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Endeavor Health Medical GroupGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susannah E. Spiess among 887 gastroenterology physician records in Illinois
Susannah E. Spiess, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2003 among the 643 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Glenview → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Douglas Adler, MDGlenview, IL 600261255313367
- Ronald Bloom, MDGlenview, IL 600261659353779
- Monica Borkar, MDGlenview, IL 600261053353169
- Soojong Chae, MDGlenview, IL 600261174716500
- Kenneth Chi, MDGlenview, IL 600261821070939
- Meghana Doniparthi, M.DGlenview, IL 600261861854697
- Ioannis Economou, M.D.Glenview, IL 600261194935494
- Nina Merel, MDGlenview, IL 600261285616300
Common questions
What is Susannah E. Spiess, MD's NPI number?
Susannah E. Spiess, MD's National Provider Identifier (NPI) is 1427076082, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susannah E. Spiess, MD located?
The NPPES record lists a practice address at 2100 Pfingsten RD, Glenview, IL, 60026. Phone: (847) 657-1900. Providers update this record themselves, so call before visiting.
How can I verify Susannah E. Spiess, MD's license?
NPPES lists Illinois license number 036084828, 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 Susannah E. Spiess, MD prescribe under Medicare Part D?
In 2024, Susannah E. Spiess, MD had 532 Medicare Part D claims for 379 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Susannah E. Spiess, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.