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Emergency Medicine

John R. Flanagan Iii, MD

Sees patients in New Braunfels, TX · Texas

Summary

Dr. John R. Flanagan Iii, MD is an emergency medicine doctor at 705 Landa St, Suite C, New Braunfels, TX 78130. Phone: (830) 629-3614. Accepts Medicare assignment. In 2024, John R. Flanagan Iii had 95 Original Medicare patients and 394 services. NPI 1730159823. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 705 Landa St, Suite C, New Braunfels, TX 78130 · Directions
  • Phone: (830) 629‑3614
  • Medicare: Accepts Medicare assignment
  • Group practice: CC Healthcare Systems, LLC
  • Medical school: University Of Texas Medical School At San Antonio · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about John R. Flanagan Iii, 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 John R. Flanagan Iii accept Medicare assignment?
Yes. Medicare's clinician data says John R. Flanagan Iii 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 John R. Flanagan Iii see?
In 2024, CMS data shows 95 Original Medicare patients and 394 services for John R. Flanagan Iii. This counts Original Medicare only and measures volume, not quality.
What is John R. Flanagan Iii's NPI number?
1730159823. 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 John R. Flanagan Iii, 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 patients95
Services billed to Medicare394
Different services or procedures27
Participating Medicare providerYes
Average age of these patients66

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)127 services
  2. Insertion of needle into vein for collection of blood sample (36415)63 services
  3. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)52 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)20 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 cholesterol72%
  • High blood pressure67%
  • Diabetes33%
  • Arthritis33%
  • Ischemic heart disease20%
  • Anxiety19%

Practice locations

Addresses where John R. Flanagan Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John R. Flanagan Iii as a member of this group (CMS data updated October 2, 2026).

  • CC Healthcare Systems, LLC2 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in New Braunfels

Clinicians with the same Medicare primary specialty in New Braunfels, TX — not a recommendation.

All emergency medicine doctors in New Braunfels →

Other clinicians in CC Healthcare Systems, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730159823
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