Theodore Gourdin, MD
NPI 1821094301 · Gastroenterology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Gourdin, MD is a Gastroenterology Physician provider in Charleston, SC (NPI 1821094301).
Provider details
- NPI number
- 1821094301
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 13033 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
2,293 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 504 | $166 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 373 | $87 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 245 | $233 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 240 | $156 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 156 | $168 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 1,038 | 343 |
| Dicyclomine Hcl | 367 | 184 |
| Famotidine | 167 | 55 |
| Esomeprazole Magnesium | 163 | 43 |
| Omeprazole | 149 | 54 |
| Metronidazole | 144 | 126 |
| Colestipol Hcl | 137 | 45 |
| Metoclopramide Hcl | 102 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 4 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
- 2005-06-21
- Last updated
- 2020-05-07
- Certified
- 2020-05-07
Frequently asked questions
- What is Theodore Gourdin's NPI number?
- Theodore Gourdin's National Provider Identifier (NPI) is 1821094301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Gourdin's specialty?
- Theodore Gourdin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Gourdin located?
- Theodore Gourdin's practice location on file with NPPES is 1962 Charlie Hall Blvd, Charleston, SC 29414-5837.
- What is Theodore Gourdin's phone number?
- The practice phone number listed in the NPPES registry for Theodore Gourdin is (843) 722-8000.
- Does Theodore Gourdin accept Medicare?
- Theodore Gourdin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Gourdin's NPI active?
- Yes — Theodore Gourdin's NPI (1821094301) is active in the NPPES registry as of the last update on 2020-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.