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Anesthesiology

James W. Darling Ii, MD

Sees patients in Jacksonville, FL · Florida

Summary

Dr. James W. Darling Ii, MD is an anesthesiologist at 5191 1st Coast Tech Pkwy, Fl 1, Jacksonville, FL 32224. Phone: (904) 593-5146. Accepts Medicare assignment. In 2024, James W. Darling Ii had 27 Original Medicare patients and 29 services. NPI 1992799753. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 5191 1st Coast Tech Pkwy, Fl 1, Jacksonville, FL 32224 · Directions
  • Phone: (904) 593‑5146
  • Medicare: Accepts Medicare assignment
  • Group practice: Overwatch Anesthesia
  • Medical school: Tulane University School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about James W. Darling Ii, 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 W. Darling Ii accept Medicare assignment?
Yes. Medicare's clinician data says James W. Darling Ii 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 W. Darling Ii see?
In 2024, CMS data shows 27 Original Medicare patients and 29 services for James W. Darling Ii. This counts Original Medicare only and measures volume, not quality.
What is James W. Darling Ii's NPI number?
1992799753. 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 W. Darling Ii, 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 patients27
Services billed to Medicare29
Different services or procedures18
Participating Medicare providerYes
Average age of these patients76

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%
  • Arthritis59%
  • Ischemic heart disease48%

Practice locations

Addresses where James W. Darling Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Overwatch Anesthesia68 clinicians in the group

Specialties

Find other Anesthesiology doctors in Florida →

Other anesthesiologists in Jacksonville

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

All anesthesiologists in Jacksonville →

Other clinicians in Overwatch Anesthesia

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

Clinician information

CredentialMD
Medical schoolTulane University School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992799753
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