Gregory Smith, M.D.
NPI 1457565913 · Nephrology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Smith, M.D. is a Nephrology Physician provider in Columbia, SC (NPI 1457565913).
Provider details
- NPI number
- 1457565913
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 30652 (SC)
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
19 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
3,457 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 365 | $97 |
| Kidney Function Blood Test Panel80069 | 355 | $8 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 317 | $7 |
| 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 | 287 | $16 |
| Parathormone (parathyroid Hormone) Level83970 | 283 | $40 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 58 | 26 |
| Amlodipine Besylate | 49 | 15 |
| Sevelamer Carbonate | 44 | 13 |
| Tamsulosin Hcl | 39 | — |
| Sucroferric Oxyhydroxidebrand: Velphoro | 34 | 14 |
| Ferric Citratebrand: Auryxia | 31 | — |
| Hydralazine Hcl | 22 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$894 across 42 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
- 2007-05-10
- Last updated
- 2017-08-31
Frequently asked questions
- What is Gregory Smith's NPI number?
- Gregory Smith's National Provider Identifier (NPI) is 1457565913, 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 Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Smith located?
- Gregory Smith's practice location on file with NPPES is 121 Park Central Dr, Columbia, SC 29203-6469.
- What is Gregory Smith's phone number?
- The practice phone number listed in the NPPES registry for Gregory Smith is (803) 252-9907.
- 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 (1457565913) is active in the NPPES registry as of the last update on 2017-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.