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Internal Medicine

Jessica A. Wertz, DO

Works at hospitals in Alexandria, VA · Falls Church, VA · Virginia

Summary

Dr. Jessica A. Wertz, DO is an internal medicine doctor at 3300 Gallows Rd, Falls Church, VA 22042. Phone: (571) 472-0321. Accepts Medicare assignment. In 2024, Jessica A. Wertz had 250 Original Medicare patients and 5,426 services. NPI 1104080050. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3300 Gallows Rd, Falls Church, VA 22042 · Directions (2 more locations)
  • Phone: (571) 472‑0321
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Alexandria Hospital, Inova Fairfax Hospital
  • Group practice: Inova Health Care Services
  • Medical school: Ohio University, College Of Osteopathic Medicine · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica A. Wertz, 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 A. Wertz accept Medicare assignment?
Yes. Medicare's clinician data says Jessica A. Wertz 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 Jessica A. Wertz see?
In 2024, CMS data shows 250 Original Medicare patients and 5,426 services for Jessica A. Wertz. This counts Original Medicare only and measures volume, not quality.
What is Jessica A. Wertz's NPI number?
1104080050. 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 A. Wertz, 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 patients250
Services billed to Medicare5,426
Different services or procedures36
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg (J7320)3,180 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,420 services
  3. Aspiration and/or injection of fluid from large joint (20610)185 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)133 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)94 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%
  • Arthritis75%
  • High blood pressure66%
  • Diabetes29%
  • Ischemic heart disease27%
  • Anxiety22%

Hospitals where Jessica A. Wertz works

Medicare's Facility Affiliation Data lists Jessica A. Wertz at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

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

Group practices

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

  • Inova Health Care Services1,817 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Falls Church

Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.

All internal medicine doctors in Falls Church →

Other clinicians in Inova Health Care Services

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

Clinician information

CredentialDO
Medical schoolOhio University, College Of Osteopathic Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104080050
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians