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Cardiovascular Disease (Cardiology)

James F. London, MD

Sees patients in Ocala, FL · Florida

Summary

Dr. James F. London, MD is a cardiologist at 2131 SW 20th Pl, Ocala, FL 34471. Phone: (352) 237-4133. Accepts Medicare assignment. In 2024, James F. London had 856 Original Medicare patients and 4,469 services. NPI 1235191719. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 2131 SW 20th Pl, Ocala, FL 34471 · Directions (1 more location)
  • Phone: (352) 237‑4133
  • Medicare: Accepts Medicare assignment
  • Group practice: Ocala Family Medical Center Inc
  • Medical school: Wayne State University School Of Medicine · graduated 1992 (34 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James F. London, 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. London accept Medicare assignment?
Yes. Medicare's clinician data says James F. London 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. London see?
In 2024, CMS data shows 856 Original Medicare patients and 4,469 services for James F. London. This counts Original Medicare only and measures volume, not quality.
What is James F. London's NPI number?
1235191719. 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. London, 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 patients856
Services billed to Medicare4,469
Different services or procedures46
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)880 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)762 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)643 services
  4. Blood test, clotting time (85610)382 services
  5. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)341 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%
  • Arthritis44%
  • Ischemic heart disease40%
  • Diabetes36%
  • Chronic kidney disease29%

Practice locations

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

Group practices

Medicare enrollment lists James F. London as a member of this group (CMS data updated October 2, 2026).

  • Ocala Family Medical Center Inc63 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Florida →

Other cardiologists in Ocala

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

All cardiologists in Ocala →

Other clinicians in Ocala Family Medical Center Inc

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235191719
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians