Gregory Folkert, MD
NPI 1063538015 · Emergency Medicine Physician · Alton, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Folkert, MD is a Emergency Medicine Physician provider in Alton, IL (NPI 1063538015).
Provider details
- NPI number
- 1063538015
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.150967 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
186 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 113 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 37 | $121 |
| Critical Care, First 30-74 Minutes99291 | 36 | $213 |
Typical Medicare-allowed amounts for these services range $121–$213 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | 44 |
| Prednisone | 30 | 30 |
| Indomethacin | 20 | 20 |
| Cephalexin | 19 | 19 |
| Ondansetron Hcl | 18 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Cyclobenzaprine Hcl | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 915 N Grand BlvdSaint Louis, MO 63106-1621Phone: (314) 289-6410
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2025-08-23
- Certified
- 2025-08-23
Frequently asked questions
- What is Gregory Folkert's NPI number?
- Gregory Folkert's National Provider Identifier (NPI) is 1063538015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Folkert's specialty?
- Gregory Folkert is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Folkert located?
- Gregory Folkert's practice location on file with NPPES is 1 Saint Anthonys Way, Alton, IL 62002-4568.
- What is Gregory Folkert's phone number?
- The practice phone number listed in the NPPES registry for Gregory Folkert is (618) 465-2571.
- Does Gregory Folkert accept Medicare?
- Gregory Folkert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Folkert's NPI active?
- Yes — Gregory Folkert's NPI (1063538015) is active in the NPPES registry as of the last update on 2025-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.