Christine L. Hann, MD

Medicare activity in 2024

Official CMS public-use data for Christine L. Hann, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)160 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)112 services
3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)22 services
4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)15 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High cholesterol71%
• COPD45%
• Arthritis40%
• Ischemic heart disease34%

Hospitals where Christine L. Hann works

Medicare's Facility Affiliation Data lists Christine L. Hann 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
• Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
• The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009

Practice locations

Addresses where Christine L. Hann is enrolled with Medicare (CMS data updated October 2, 2026).

• 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000

Group practices

Medicare enrollment lists Christine L. Hann as a member of this group (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group

Specialties

• Medical Oncologyprimary

Find other Medical Oncology doctors in Maryland →

Other oncologists in Baltimore

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

• Carol A. Huff, MD
• Arif Hussain, MD
• Kevin J. Cullen, MD
• Ana De Jesus Acosta, MD
• Carole B. Miller, MD
• Pallavi P. Kumar, MD
• Daniel A. Laheru, MD
• Charles A. Padgett, MD

All oncologists in Baltimore →

Other clinicians in Johns Hopkins University

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

• Patricia Boran, PA
• Stacey L. Schott, MD
• Heather Alhanati, PA
• Jesse Suben, MD
• Erica Richards, MD
• Wachmide Labranche, CNA

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