Susannah Spiess, MD
NPI 1427076082 · Gastroenterology Physician · Glenview, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susannah Spiess, MD is a Gastroenterology Physician provider in Glenview, IL (NPI 1427076082).
Provider details
- NPI number
- 1427076082
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036084828 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
549 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 148 | $150 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 138 | $7 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 70 | $269 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 68 | $195 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 257 | 257 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 53 | 53 |
| Ondansetron Hcl | 34 | 34 |
| Pantoprazole Sodium | 26 | — |
| Mesalamine | 23 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 21 | 21 |
| Famotidine | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2020-12-08
- Certified
- 2020-12-08
Frequently asked questions
- What is Susannah Spiess's NPI number?
- Susannah Spiess's National Provider Identifier (NPI) is 1427076082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susannah Spiess's specialty?
- Susannah Spiess is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Susannah Spiess located?
- Susannah Spiess's practice location on file with NPPES is 2100 Pfingsten Rd, Glenview, IL 60026-1301.
- What is Susannah Spiess's phone number?
- The practice phone number listed in the NPPES registry for Susannah Spiess is (847) 657-1900.
- Does Susannah Spiess accept Medicare?
- Susannah Spiess is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susannah Spiess's NPI active?
- Yes — Susannah Spiess's NPI (1427076082) is active in the NPPES registry as of the last update on 2020-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.