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Urology

Vincent J. Flynn, MD

Sees patients in San Marcos, CA · San Diego, CA · California

Summary

Dr. Vincent J. Flynn, MD is a urologist at 400 Craven Rd, San Marcos, CA 92078. Phone: (619) 528-5000. Accepts Medicare assignment. In 2024, Vincent J. Flynn had 14 Original Medicare patients and 16 services. NPI 1669520573. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Urologist (Medicare lists Urology)
  • Address: 400 Craven Rd, San Marcos, CA 92078 · Directions (4 more locations)
  • Phone: (619) 528‑5000
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: University Of South Carolina School Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Vincent J. Flynn, 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 Vincent J. Flynn accept Medicare assignment?
Yes. Medicare's clinician data says Vincent J. Flynn 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 Vincent J. Flynn see?
In 2024, CMS data shows 14 Original Medicare patients and 16 services for Vincent J. Flynn. This counts Original Medicare only and measures volume, not quality.
What is Vincent J. Flynn's NPI number?
1669520573. 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 Vincent J. Flynn, 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 patients14
Services billed to Medicare16
Different services or procedures8
Participating Medicare providerYes
Average age of these patients71

Practice locations

Addresses where Vincent J. Flynn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vincent J. Flynn as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Urology doctors in California →

Other urologists in San Marcos

Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.

All urologists in San Marcos →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Carolina School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669520573
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