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Diagnostic Radiology

James F. Grim Jr., MD

Works at hospitals in Port Charlotte, FL · Perry, FL · Key West, FL … · Florida

Summary

Dr. James F. Grim Jr., MD is a radiologist at 1111 Prescott Dr N, Jupiter, FL 33458. Phone: (800) 874-7000. Accepts Medicare assignment. In 2024, James F. Grim Jr. had 1,771 Original Medicare patients and 2,401 services. NPI 1811995608. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about James F. Grim Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James F. Grim Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James F. Grim Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James F. Grim Jr. see?
In 2024, CMS data shows 1,771 Original Medicare patients and 2,401 services for James F. Grim Jr.. This counts Original Medicare only and measures volume, not quality.
What is James F. Grim Jr.'s NPI number?
1811995608. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James F. Grim Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,771
Services billed to Medicare2,401
Different services or procedures107
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Dxa bone density measurement of hip, pelvis, spine (77080)599 services
  2. Ultrasound of both sides of head and neck blood flow (93880)282 services
  3. X-ray of chest, 1 view (71045)163 services
  4. Ct scan head or brain without contrast (70450)108 services
  5. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)90 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis57%
  • Ischemic heart disease43%
  • Anxiety35%
  • Chronic kidney disease34%

Hospitals where James F. Grim Jr. works

Medicare's Facility Affiliation Data lists James F. Grim Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where James F. Grim Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James F. Grim Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Mori Bean and Brooks Inc977 clinicians in the group
  • Tower Imaging LLC96 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Florida →

Other radiologists in Jupiter

Clinicians with the same Medicare primary specialty in Jupiter, FL — not a recommendation.

All radiologists in Jupiter →

Other clinicians in Mori Bean and Brooks Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811995608
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians