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Nurse Practitioner

Mary Elizabeth Younger, NP

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

Summary

Mary Elizabeth Younger, NP is a nurse practitioner at 200 N Wolfe St, Baltimore, MD 21287. Phone: (410) 614-3917. May accept Medicare assignment. In 2024, Mary Elizabeth Younger had 36 Original Medicare patients and 41 services. NPI 1295779304. 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 Mary Elizabeth Younger, 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 Mary Elizabeth Younger accept Medicare assignment?
Medicare's clinician data says Mary Elizabeth Younger may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Mary Elizabeth Younger see?
In 2024, CMS data shows 36 Original Medicare patients and 41 services for Mary Elizabeth Younger. This counts Original Medicare only and measures volume, not quality.
What is Mary Elizabeth Younger's NPI number?
1295779304. 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 Mary Elizabeth Younger, 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 patients36
Services billed to Medicare41
Different services or procedures4
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)20 services
  2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)17 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 pressure69%
  • Arthritis50%
  • Anxiety36%
  • Ischemic heart disease33%

Hospitals where Mary Elizabeth Younger works

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

Group practices

Medicare enrollment lists Mary Elizabeth Younger as a member of this group (CMS data updated October 2, 2026).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maryland →

Other nurse practitioners in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All nurse practitioners in Baltimore →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialNP
Graduation year2005
Gender (as listed)Female
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295779304
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