Nicholaus J. Christian, MD

Medicare activity in 2024

Official CMS public-use data for Nicholaus J. Christian, 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.

Most frequent services

1. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)13 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%
• Chronic kidney disease74%
• Ischemic heart disease58%

Hospitals where Nicholaus J. Christian works

Medicare's Facility Affiliation Data lists Nicholaus J. Christian 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.

• Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
• University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210002

Practice locations

Addresses where Nicholaus J. Christian is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 1001 W Pratt St, Fl 2Baltimore, MD 21223 (443) 462‑3400
• 22 S Green StBaltimore, MD 21201 (410) 328‑5881
• 4940 Eastern AveBaltimore, MD 21224 (410) 550‑0100
• 4940 Eastern Ave, Bayview Medical CenterBaltimore, MD 21224 (410) 550‑2395
• 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000

Group practices

Medicare enrollment lists Nicholaus J. Christian as a member of these groups (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group
• Johns Hopkins University713 clinicians in the group
• University of Maryland Physicians PA404 clinicians in the group
• University of Maryland Psychiatry Associates PA57 clinicians in the group

Specialties

• Internal Medicineprimary
• Addiction Medicinealso

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Baltimore

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

• Hasan A. Awan, MD
• Kristen M. Peichert, MD
• Kimberlee Bizzell, MD
• Melinda Kantsiper, MD
• Simran Agrawal, MD
• Kent E. Kester, MD
• Samir Bhalodia, MD
• Arpita N. Jajoo, MD

All internal medicine doctors in Baltimore →

Other clinicians in Johns Hopkins University

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

• Brock Lindsey, MD
• Anne E. Burke, MD
• Babita Panigrahi, MD
• Sean A. Tackett, MD
• Pradeep Ramulu, MD
• Lillian C. Chen, MD

Clinician information

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