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Emergency Medicine

Jessica Waters, MD

Works at hospitals in Clinton, MD · Washington, DC · Maryland, District of Columbia

Summary

Dr. Jessica Waters, MD is an emergency medicine doctor at 1145 19th St NW, 311 Mmg at 19th Street NW, Washington, DC 20036. Phone: (202) 429-2401. Accepts Medicare assignment. In 2024, Jessica Waters had 42 Original Medicare patients and 54 services. NPI 1932660545. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica Waters, 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 Waters accept Medicare assignment?
Yes. Medicare's clinician data says Jessica Waters 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 Waters see?
In 2024, CMS data shows 42 Original Medicare patients and 54 services for Jessica Waters. This counts Original Medicare only and measures volume, not quality.
What is Jessica Waters's NPI number?
1932660545. 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 Waters, 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 patients42
Services billed to Medicare54
Different services or procedures10
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)23 services
  2. Critical care, first 30-74 minutes (99291)14 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 blood pressure75%
  • High cholesterol74%
  • Diabetes55%
  • Ischemic heart disease52%
  • Heart failure52%
  • Chronic kidney disease50%

Hospitals where Jessica Waters works

Medicare's Facility Affiliation Data lists Jessica Waters 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 Waters is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

Find other Emergency Medicine doctors in District of Columbia →

Other emergency medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All emergency medicine doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

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

Clinician information

CredentialMD
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932660545
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