Carrie L. Nieman, MD

Medicare activity in 2024

Official CMS public-use data for Carrie L. Nieman, 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)112 services
2. Exam of ear using a microscope (92504)73 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)39 services
4. Removal of impacted ear wax (69210)33 services
5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)31 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 pressure63%
• Arthritis49%
• Diabetes25%
• Ischemic heart disease24%
• Anxiety24%

Hospitals where Carrie L. Nieman works

Medicare's Facility Affiliation Data lists Carrie L. Nieman 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.

• Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
• Suburban HospitalBethesda, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210022
• 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 Carrie L. Nieman is enrolled with Medicare (CMS data updated October 2, 2026).

• 601 N Caroline StBaltimore, MD 21287
• 6201 Greenleigh AveMiddle River, MD 21220
• 6420 Rockledge DrBethesda, MD 20817 (301) 896‑6717
• 8322 Bellona Ave, Suite 300Towson, MD 21204 (410) 296‑0414
• 8600 Old Georgetown RdBethesda, MD 20814 (301) 896‑2578

Group practices

Medicare enrollment lists Carrie L. Nieman 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

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in Maryland →

Other ENT doctors in Baltimore

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

• Walleed H R M A Q Almutairi, MD
• John P. Carey, MD
• Jeffrey S. Wolf, MD
• Rodney J. Taylor, MD
• David J. Eisenman, MD
• Andrea M. Hebert, MD
• Adam C. Kaufman, MD
• Wayne Koch, MD

All ENT doctors in Baltimore →

Other clinicians in Johns Hopkins University

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

• Deena Babu, PA
• G C. Alexander, MD
• Kristen Schratz, MD
• Rachael Walker, PA
• Sarah H. Hsu, MD
• Leah Wolfe, 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