DR. JAMES F GRIM JR. MD
NPI 1811995608
Radiology - Diagnostic Radiology in El Segundo, CA
About Dr. James F Grim Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES F GRIM JR. MD (NPI 1811995608) is an individual diagnostic radiology provider in El Segundo, California, licensed in Florida (ME93915) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Sacred Heart Hospital, and maintains a secondary practice location in Tampa.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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. James F Grim Jr. Md 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 James Grim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hudson, FL 34667
- Reassigned Medicare billing, Florida enrollment
- 210 clinicians in this Medicare group
Tampa, FL 33606
- Reassigned Medicare billing, Florida enrollment
- 1,130 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 28
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sacred Heart Hospital
Acute Care Hospitals · Pensacola, FLTampa General Hospital Brooksville
Acute Care Hospitals · Brooksville, FLShorepoint Health Port Charlotte
Acute Care Hospitals · Port Charlotte, FLLower Keys Medical Center
Acute Care Hospitals · Key West, FLDoctors Memorial Hospital Inc
Critical Access Hospitals · Perry, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90245 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.
EL SEGUNDO, CA 90245
EL SEGUNDO, CA 90245
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 James Grim's NPI number?
The NPI number for James Grim is 1811995608. It was assigned to this individual provider in the NPPES registry on July 14, 2005.
Where is James Grim located?
James Grim practices at 2330 Utah Ave Ste 200, El Segundo, CA 90245. The listed phone number is (281) 766-0959.
What is James Grim's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is James Grim enrolled in Medicare?
Yes. James Grim 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 James Grim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Grim reassigns Medicare benefits to 2 organizations: Tower Imaging LLC (Hudson, FL) and Mori Bean And Brooks Inc (Tampa, FL). 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 James Grim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Grim accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list James Grim 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.
Is James Grim affiliated with any hospitals?
According to CMS data, James Grim is affiliated with Sacred Heart Hospital, Tampa General Hospital Brooksville, Shorepoint Health Port Charlotte, Lower Keys Medical Center and Doctors Memorial Hospital Inc.
When was this NPI record last updated?
The NPPES record for James Grim was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.