Greg Smith, MD
NPI 1649257866 · Neurology Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Smith, MD is a Neurology Physician provider in Louisville, KY (NPI 1649257866).
Provider details
- NPI number
- 1649257866
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25764 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,040 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 333 | $42 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 123 | $90 |
| Nerve Conduction, 5-6 Studies95909 | 103 | $74 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 98 | $54 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 97 | $172 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 87 | 43 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 55 | 21 |
| Pregabalin | 39 | 13 |
| Immune Globul G/Gly/Iga Avg 46brand: Gamunex-C | 34 | — |
| Donepezil Hcl | 33 | — |
| Pyridostigmine Bromide | 31 | — |
| Memantine Hcl | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,988 across 204 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2020-12-02
- Certified
- 2020-12-02
Frequently asked questions
- What is Greg Smith's NPI number?
- Greg Smith's National Provider Identifier (NPI) is 1649257866, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Smith's specialty?
- Greg Smith is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Smith located?
- Greg Smith's practice location on file with NPPES is 3900 Kresge Way, Louisville, KY 40207-4683.
- What is Greg Smith's phone number?
- The practice phone number listed in the NPPES registry for Greg Smith is (812) 248-4789.
- Does Greg Smith accept Medicare?
- Greg Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Smith's NPI active?
- Yes — Greg Smith's NPI (1649257866) is active in the NPPES registry as of the last update on 2020-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.