Carlton Thomas, M.D.
NPI 1205881398 · Gastroenterology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlton Thomas, M.D. is a Gastroenterology Physician provider in San Diego, CA (NPI 1205881398).
Provider details
- NPI number
- 1205881398
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 00A88112 (CA)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
474 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 127 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $97 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 81 | $122 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 37 | $256 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 31 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 202 | 200 |
| Omeprazole | 62 | 33 |
| Pantoprazole Sodium | 33 | 16 |
| Famotidine | 30 | 13 |
| Dicyclomine Hcl | 13 | — |
| Upadacitinibbrand: Rinvoq | 13 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$996 across 52 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
- 2006-05-24
- Last updated
- 2020-12-22
- Certified
- 2020-12-22
Frequently asked questions
- What is Carlton Thomas's NPI number?
- Carlton Thomas's National Provider Identifier (NPI) is 1205881398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlton Thomas's specialty?
- Carlton Thomas is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Carlton Thomas located?
- Carlton Thomas's practice location on file with NPPES is 292 Euclid Ave Ste 115, San Diego, CA 92114-3629.
- What is Carlton Thomas's phone number?
- The practice phone number listed in the NPPES registry for Carlton Thomas is (619) 266-3332.
- Does Carlton Thomas accept Medicare?
- Carlton Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlton Thomas's NPI active?
- Yes — Carlton Thomas's NPI (1205881398) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.