Gregory Schleis, MD
NPI 1154783207 · Endocrinology, Diabetes & Metabolism Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Schleis, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Greenville, SC (NPI 1154783207).
Provider details
- NPI number
- 1154783207
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 85787 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
434 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 144 | $127 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 121 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 77 | $179 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 30 | $34 |
| Diabetes Outpatient Self-Management Training Services, Individual, Per 30 MinutesG0108 | 27 | $54 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 131 | 46 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 63 | 28 |
| Semaglutidebrand: Ozempic | 59 | 20 |
| Metformin Hclbrand: Metformin Hcl Er | 42 | 14 |
| Dulaglutidebrand: Trulicity | 35 | 12 |
| Hydrocortisone | 35 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-27
- Last updated
- 2021-10-08
- Certified
- 2021-10-08
Frequently asked questions
- What is Gregory Schleis's NPI number?
- Gregory Schleis's National Provider Identifier (NPI) is 1154783207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Schleis's specialty?
- Gregory Schleis is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Schleis located?
- Gregory Schleis's practice location on file with NPPES is 1025 Verdae Blvd, Greenville, SC 29607-4032.
- What is Gregory Schleis's phone number?
- The practice phone number listed in the NPPES registry for Gregory Schleis is (864) 242-4683.
- Does Gregory Schleis accept Medicare?
- Gregory Schleis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Schleis's NPI active?
- Yes — Gregory Schleis's NPI (1154783207) is active in the NPPES registry as of the last update on 2021-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.