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Internal Medicine

Laura Y. Ndzelen, MD

Works at hospitals in Westminster, MD · Towson, MD · Maryland

Summary

Dr. Laura Y. Ndzelen, MD is an internal medicine doctor at 200 Memorial Ave, Westminster, MD 21157. Phone: (410) 871-6700. Accepts Medicare assignment. In 2024, Laura Y. Ndzelen had 553 Original Medicare patients and 1,481 services. NPI 1528532298. 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 Laura Y. Ndzelen, 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 Laura Y. Ndzelen accept Medicare assignment?
Yes. Medicare's clinician data says Laura Y. Ndzelen 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 Laura Y. Ndzelen see?
In 2024, CMS data shows 553 Original Medicare patients and 1,481 services for Laura Y. Ndzelen. This counts Original Medicare only and measures volume, not quality.
What is Laura Y. Ndzelen's NPI number?
1528532298. 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 Laura Y. Ndzelen, 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 patients553
Services billed to Medicare1,481
Different services or procedures12
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)938 services
  2. Hospital discharge day management, more than 30 minutes (99239)225 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)141 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)109 services
  5. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)50 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 cholesterol75%
  • Arthritis59%
  • Ischemic heart disease54%
  • Diabetes48%
  • Heart failure46%

Hospitals where Laura Y. Ndzelen works

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

Group practices

Medicare enrollment lists Laura Y. Ndzelen as a member of these groups (CMS data updated October 2, 2026).

  • Emergency Medicine Associates P.A., P.C.714 clinicians in the group
  • University of Maryland St Joseph Medical Group LLC287 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Westminster

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

All internal medicine doctors in Westminster →

Other clinicians in Emergency Medicine Associates P.A., P.C.

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528532298
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