Gregory Smith, D.O.
NPI 1386640316 · Pain Medicine (Anesthesiology) Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Smith, D.O. is a Pain Medicine (Anesthesiology) Physician provider in Saint Louis, MO (NPI 1386640316).
Provider details
- NPI number
- 1386640316
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- R1E02 (MO)
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
21 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
1,079 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 323 | $85 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 124 | $250 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 100 | $121 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Single Level64493 | 78 | $230 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 73 | $106 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Second Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 213 | 39 |
| Gabapentin | 180 | 40 |
| Pregabalin | 173 | 28 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 141 | 15 |
| Methadone Hcl | 139 | 14 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 121 | 16 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-23
- Last updated
- 2011-08-02
Frequently asked questions
- What is Gregory Smith's NPI number?
- Gregory Smith's National Provider Identifier (NPI) is 1386640316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Smith's specialty?
- Gregory Smith is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Smith located?
- Gregory Smith's practice location on file with NPPES is 1070 Old Des Peres Rd, Saint Louis, MO 63131-1865.
- What is Gregory Smith's phone number?
- The practice phone number listed in the NPPES registry for Gregory Smith is (314) 821-8644.
- Does Gregory Smith accept Medicare?
- Gregory Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Smith's NPI active?
- Yes — Gregory Smith's NPI (1386640316) is active in the NPPES registry as of the last update on 2011-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.