Caitlin Green, M.D.
NPI 1902196140 · Gastroenterology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caitlin Green, M.D. is a Gastroenterology Physician provider in Charleston, SC (NPI 1902196140).
Provider details
- NPI number
- 1902196140
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
451 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 | 89 | $119 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 67 | $71 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 56 | $219 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $89 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 38 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 122 | 43 |
| Famotidine | 115 | 37 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 65 | 60 |
| Pantoprazole Sodium | 45 | 19 |
| Mirtazapine | 37 | — |
| Lipase/Protease/Amylasebrand: Creon | 35 | — |
| Esomeprazole Magnesium | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$150 across 1 record (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
- 2011-04-08
- Last updated
- 2018-08-13
Frequently asked questions
- What is Caitlin Green's NPI number?
- Caitlin Green's National Provider Identifier (NPI) is 1902196140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin Green's specialty?
- Caitlin Green is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Caitlin Green located?
- Caitlin Green's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425.
- What is Caitlin Green's phone number?
- The practice phone number listed in the NPPES registry for Caitlin Green is (843) 792-1414.
- Does Caitlin Green accept Medicare?
- Caitlin Green is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caitlin Green's NPI active?
- Yes — Caitlin Green's NPI (1902196140) is active in the NPPES registry as of the last update on 2018-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.