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Internal Medicine

Jessica N. Dunn, MD

Sees patients in San Antonio, TX · Texas

Summary

Dr. Jessica N. Dunn, MD is an internal medicine doctor at 4410 Medical Dr, Suite 100, San Antonio, TX 78229. Phone: (210) 614-4000. May accept Medicare assignment. In 2024, Jessica N. Dunn had 200 Original Medicare patients and 4,091 services. NPI 1992143804. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4410 Medical Dr, Suite 100, San Antonio, TX 78229 · Directions
  • Phone: (210) 614‑4000
  • Medicare: May accept Medicare assignment
  • Group practice: Pasteur Medical Associates PA
  • Medical school: University Of Texas Medical School At San Antonio · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica N. Dunn, 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 Jessica N. Dunn accept Medicare assignment?
Medicare's clinician data says Jessica N. Dunn may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Jessica N. Dunn see?
In 2024, CMS data shows 200 Original Medicare patients and 4,091 services for Jessica N. Dunn. This counts Original Medicare only and measures volume, not quality.
What is Jessica N. Dunn's NPI number?
1992143804. 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 Jessica N. Dunn, 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 patients200
Services billed to Medicare4,091
Different services or procedures78
Participating Medicare providerYes
Average age of these patients77

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)560 services
  2. Blood test, comprehensive group of blood chemicals (80053)292 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)291 services
  4. Manual urinalysis test with examination using microscope, non-automated (81000)261 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)250 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 cholesterol75%
  • High blood pressure72%
  • Arthritis57%
  • Osteoporosis32%
  • Anxiety31%
  • Ischemic heart disease28%

Practice locations

Addresses where Jessica N. Dunn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessica N. Dunn as a member of this group (CMS data updated October 2, 2026).

  • Pasteur Medical Associates PA7 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All internal medicine doctors in San Antonio →

Other clinicians in Pasteur Medical Associates PA

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 year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1992143804
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