Nizamuddin J. Maruf, MD

Medicare activity in 2024

Official CMS public-use data for Nizamuddin J. Maruf, 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. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)442 services
2. 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)383 services
3. Automated urinalysis test (81003)328 services
4. Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month (99426)312 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)288 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)45%
• Arthritis38%
• Diabetes35%
• Ischemic heart disease32%

Practice locations

Addresses where Nizamuddin J. Maruf is enrolled with Medicare (CMS data updated October 2, 2026).

• 10710 Charter Dr, Suite 130Columbia, MD 21044 (410) 772‑7000
• 19851 Observation Dr, Suite 445Germantown, MD 20876 (301) 258‑1919
• 3801 International DrSilver Spring, MD 20906 (301) 598‑9171
• 9420 Key W Ave, Suite 420Rockville, MD 20850 (301) 258‑1919

Group practices

Medicare enrollment lists Nizamuddin J. Maruf as a member of this group (CMS data updated October 2, 2026).

• Chesapeake Urology Associates LLC177 clinicians in the group

Specialties

• Urologyprimary

Find other Urology doctors in Maryland →

Other urologists in Columbia

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

• Natalia Arias Villela, MD
• Frank M. Nezu, MD
• James R. Russell, MD
• Nathaly Francois, MD
• Adam J. Kern, MD
• Laura Giusto, MD
• John J. Kishel, MD
• Katherine Smentkowski, MD

All urologists in Columbia →

Other clinicians in Chesapeake Urology Associates LLC

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

• Alyssa K. Gracely, MD
• Christen A. Alevizatos, MD
• Richard P. Martin, PA
• Afia E. Ewoo, NP
• Victoria R. Staiman, MD
• Frank M. Nezu, 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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians