Physician Profile
Unclaimed ProfileAbout SMITH
Gregory Wayne Smith, M.D. is a healthcare provider in Columbia, SC specialising in nephrology. Gregory trained at University of South Carolina School of Medicine, graduating in 2008.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Smith specialise in?
Dr. Smith is a nephrology in Columbia, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Where is Dr. Smith located?
Dr. Smith is listed at 121 PARK CENTRAL DR SUITE 200, Columbia, SC 29203. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Smith's phone number?
The number on file is (803) 252-9907. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Smith?
Dr. Smith's National Provider Identifier is 1457565913. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Smith go to medical school?
Dr. Smith attended University of South Carolina School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Smith have?
Dr. Smith has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Smith do most often?
According to Medicare billing data, Dr. Smith performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as dialysis services, 4 or more physician visits per month and dialysis services, 2-3 physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Smith's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Smith. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (803) 252-9907
- Email not available
Practice Locations
121 PARK CENTRAL DR SUITE 200
Columbia, SC 29203
Procedures Most Often Billed to Medicare
3,457 services · 2,420 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
151 |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
266 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
43 |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
365 |
| Kidney function blood test panel | Lab test | 80069 |
355 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
317 |
| 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' | Billing code | G2211 |
287 |
| Parathormone (parathyroid hormone) level | Lab test | 83970 |
283 |
| Total protein level, urine | Lab test | 84156 |
258 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nephrology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nephrology specialists in Columbia 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of South Carolina School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at University of South Carolina School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in SC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.