Ethelred Carter, M.D.
NPI 1336247964 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ethelred Carter, M.D. is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1336247964).
Provider details
- NPI number
- 1336247964
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A29534 (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
19 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
244 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 67 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 53 | $179 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 45 | $189 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $138 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 198 | 92 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 107 | 104 |
| Metoclopramide Hcl | 103 | 57 |
| Sucralfate | 53 | 25 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 32 | 30 |
| Famotidine | 23 | — |
| Metronidazole | 22 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$228 across 8 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
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ethelred Carter's NPI number?
- Ethelred Carter's National Provider Identifier (NPI) is 1336247964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ethelred Carter's specialty?
- Ethelred Carter is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ethelred Carter located?
- Ethelred Carter's practice location on file with NPPES is 1700 E Cesar E Chavez Ave, Los Angeles, CA 90033-2424.
- What is Ethelred Carter's phone number?
- The practice phone number listed in the NPPES registry for Ethelred Carter is (323) 260-7252.
- Does Ethelred Carter accept Medicare?
- Ethelred Carter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ethelred Carter's NPI active?
- Yes — Ethelred Carter's NPI (1336247964) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.