Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Laura A. Donegan, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Dr. Laura A. Donegan, MD is an internal medicine doctor at 3701 N Charles St, South Chapman Building Suite 102, Towson, MD 21204. Phone: (443) 849-3901. Accepts Medicare assignment. In 2024, Laura A. Donegan had 118 Original Medicare patients and 267 services. NPI 1457312761. 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: 3701 N Charles St, South Chapman Building Suite 102, Towson, MD 21204 · Directions (10 more locations)
  • Phone: (443) 849‑3901
  • Medicare: Accepts Medicare assignment
  • Hospital: Greater Baltimore Medical Center
  • Group practice: Greater Baltimore Medical Center
  • Medical school: Uniformed Services Uhs Fe Hebert School Of Med · graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Laura A. Donegan, 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 A. Donegan accept Medicare assignment?
Yes. Medicare's clinician data says Laura A. Donegan 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 A. Donegan see?
In 2024, CMS data shows 118 Original Medicare patients and 267 services for Laura A. Donegan. This counts Original Medicare only and measures volume, not quality.
What is Laura A. Donegan's NPI number?
1457312761. 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 A. Donegan, 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 patients118
Services billed to Medicare267
Different services or procedures37
Participating Medicare providerYes
Average age of these patients73

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)43 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)32 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)28 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)19 services
  5. Hospital discharge day management, 30 minutes or less (99238)18 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 cholesterol73%
  • Arthritis45%
  • Anxiety38%
  • Diabetes36%
  • Chronic kidney disease36%

Hospitals where Laura A. Donegan works

Medicare's Facility Affiliation Data lists Laura A. Donegan 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 A. Donegan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

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

  • Greater Baltimore Medical Center354 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Towson

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

All internal medicine doctors in Towson →

Other clinicians in Greater Baltimore Medical Center

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

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457312761
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