Robert Sidney Smith, MD
NPI 1154386639 · Gastroenterology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sidney Smith, MD is a Gastroenterology Physician provider in Charleston, SC (NPI 1154386639).
Provider details
- NPI number
- 1154386639
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28672 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,699 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 | 342 | $117 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 281 | $84 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 234 | $231 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 199 | $155 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 120 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 338 | 128 |
| Pantoprazole Sodium | 134 | 51 |
| Famotidine | 127 | 43 |
| Esomeprazole Magnesium | 61 | 18 |
| Dicyclomine Hcl | 47 | 22 |
| Mesalamine | 42 | 11 |
| Ondansetronbrand: Ondansetron Odt | 42 | 19 |
| Linaclotide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,084 across 51 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
Additional practice locations (1)
- 125 Doughty St Ste 280Charleston, SC 29403-5727Phone: (843) 720-8369Fax: (843) 720-8370
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2025-02-06
- Certified
- 2025-02-06
Frequently asked questions
- What is Robert Sidney Smith's NPI number?
- Robert Sidney Smith's National Provider Identifier (NPI) is 1154386639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sidney Smith's specialty?
- Robert Sidney Smith is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sidney Smith located?
- Robert Sidney Smith's practice location on file with NPPES is 1962 Charlie Hall Blvd, Charleston, SC 29414-5837.
- What is Robert Sidney Smith's phone number?
- The practice phone number listed in the NPPES registry for Robert Sidney Smith is (843) 722-8000.
- Does Robert Sidney Smith accept Medicare?
- Robert Sidney Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sidney Smith's NPI active?
- Yes — Robert Sidney Smith's NPI (1154386639) is active in the NPPES registry as of the last update on 2025-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.