DR. ELLSWORTH RAYMOND GRANT M.D
NPI 1043233760
Internal Medicine - Hematology & Oncology in Los Angeles, CA
About Dr. Ellsworth Raymond Grant M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLSWORTH RAYMOND GRANT M.D (NPI 1043233760) is an individual hematology & oncology provider in Los Angeles, California, licensed in California (G73084) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ellsworth Raymond Grant M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ellsworth Grant reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Downey, CA 90241
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: The Oncology Institute Ca, A Professional Corporation
- 110 clinicians in this Medicare group
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 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
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 Ellsworth Grant's NPI number?
The NPI number for Ellsworth Grant is 1043233760. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Ellsworth Grant located?
Ellsworth Grant practices at 1245 Wilshire Blvd Suite 801, Los Angeles, CA 90017. The listed phone number is (213) 481-3948.
What is Ellsworth Grant's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Ellsworth Grant enrolled in Medicare?
Yes. Ellsworth Grant is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ellsworth Grant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellsworth Grant reassigns Medicare benefits to 2 organizations: County Of Los Angeles (Los Angeles, CA) and Starling Oncology Ca, A Professional Corporation (Downey, CA). Each 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 Ellsworth Grant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellsworth Grant accept?
Health plans from UnitedHealthcare list Ellsworth Grant as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ellsworth Grant was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Ellsworth Raymond Grant, M.D · NPI 1043233760
Hematology & Oncology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 25, 2006.
## Identity
- **NPI:** 1043233760 (Entity type: Individual)
- **Enumerated:** July 25, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** G73084 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1245 WILSHIRE BLVD, SUITE 801, Los Angeles, CA 90017-4810
- **Phone:** (213) 481-3948 · **Fax:** (213) 481-1697
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles (NPI 1780877613, Los Angeles, CA); Starling Oncology Ca, A Professional Corporation (NPI 1275651515, Downey, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other 954893061 (CA); Medicaid 00G730841 (CA); Medicaid 00G730842 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1043233760) · Data from the CMS NPPES public registry.