Stephen Ganshirt, M.D.
NPI 1245200757 · Surgery Physician · Lake Forest, IL
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ganshirt, M.D. is a Surgery Physician provider in Lake Forest, IL (NPI 1245200757).
Provider details
- NPI number
- 1245200757
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-088721 (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
20 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
411 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 114 | $233 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $134 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 44 | $52 |
| Repair of Groin Hernia (5 Years Or Older)49505 | 39 | $586 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 35 | $192 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-25
- Last updated
- 2017-10-03
Frequently asked questions
- What is Stephen Ganshirt's NPI number?
- Stephen Ganshirt's National Provider Identifier (NPI) is 1245200757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ganshirt's specialty?
- Stephen Ganshirt is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ganshirt located?
- Stephen Ganshirt's practice location on file with NPPES is 800 N Westmoreland Rd, Lake Forest, IL 60045-1673.
- What is Stephen Ganshirt's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ganshirt is (847) 234-4310.
- Does Stephen Ganshirt accept Medicare?
- Stephen Ganshirt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ganshirt's NPI active?
- Yes — Stephen Ganshirt's NPI (1245200757) is active in the NPPES registry as of the last update on 2017-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.