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ETHELRED ERASMUS CARTER M.D.
NPI 1336247964
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since September 20, 2006PECOS Enrolled
1700 E CESAR E CHAVEZ AVE, SUITE #3700, LOS ANGELES, CA 90033(323) 260-7252(323) 260-7864 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ethelred Erasmus Carter M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ETHELRED ERASMUS CARTER M.D. (NPI 1336247964) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A29534) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336247964
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameETHELRED ERASMUS CARTERCredential: M.D.
Location Address1700 E CESAR E CHAVEZ AVE, SUITE #3700Los Angeles, CA 90033-2424
Mailing Address1700 E Cesar E Chavez Ave, Suite #3700Los Angeles, CA 90033-2424 · (323) 260-7252 · Fax (323) 260-7864
Phone(323) 260-7252
Fax(323) 260-7864
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1336247964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A29534
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1700 E CESAR E CHAVEZ AVE, Los Angeles, CA 90033
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A295340CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ethelred Erasmus Carter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ethelred Carter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ethelred E Carter Medical Corp
Same address
Gastroenterology
1700 E CESAR E CHAVEZ AVE, SUITE #3700
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
NPI 1508109877 (323) 260-7252

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
67 services65 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
53 services53 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
45 services45 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
23 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services17 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MIGUEL ANGEL UNZUETA M.D.
Ophthalmology
1700 E CESAR E CHAVEZ AVE, #3400
LOS ANGELES, CA 90033
Los Angeles County (323) 526-7273
KATHLEEN ROSE SAVAGE MD
Orthopaedic Surgery
1700 E CESAR E CHAVEZ AVE, SUITE 2200
LOS ANGELES, CA 90033
Los Angeles County (323) 264-7600
ADVENTIST HEALTH PHYSICIANS NETWORK
General Practice
1700 E CESAR E CHAVEZ AVE, #3300
LOS ANGELES, CA 90033
Los Angeles County (323) 307-8900
JOHN F. VANORE, MD A MEDICAL CORPORATION
Specialist
1700 E CESAR E CHAVEZ AVE, SUITE 2500
LOS ANGELES, CA 90033
Los Angeles County (323) 268-6731
JACOB JACQUE AHDOOT MD A PROFESSIONAL CORPORATION
Internal Medicine (Nephrology)
1700 E CESAR E CHAVEZ AVE, SUITE 3750
LOS ANGELES, CA 90033
Los Angeles County (310) 741-2329
DR. GABRIEL G. CARABELLO MD
Surgery (Vascular Surgery)
1700 E CESAR E CHAVEZ AVE, STE. 2450
LOS ANGELES, CA 90033
Los Angeles County (323) 265-4559
AUSTIN J MA, M.D., A PROFESSIONAL CORPORATION
Internal Medicine (Hematology & Oncology)
1700 E CESAR E CHAVEZ AVE, SUITE 3500
LOS ANGELES, CA 90033
Los Angeles County (323) 264-0430
GAYLE V MITCHELL MD INC
Internal Medicine
1700 E CESAR E CHAVEZ AVE, SUITE 1200
LOS ANGELES, CA 90033
Los Angeles County (310) 486-2369

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ethelred Carter's NPI number?

The NPI number for Ethelred Carter is 1336247964. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Ethelred Carter located?

Ethelred Carter practices at 1700 E Cesar E Chavez Ave Suite #3700, Los Angeles, CA 90033. The listed phone number is (323) 260-7252.

What is Ethelred Carter's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Ethelred Carter enrolled in Medicare?

Yes. Ethelred Carter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ethelred Carter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ethelred Carter reassigns Medicare benefits to Ethelred E Carter Medical Corp (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ethelred Carter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ethelred Carter was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.