Preston Y. Kim, MD

Medicare activity in 2024

Official CMS public-use data for Preston Y. Kim, 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 moderate level of decision making, if using time, 30 minutes or more (99214)364 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)199 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)164 services
4. Biopsy of large bowel using a flexible endoscope (45380)136 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)124 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 pressure71%
• Arthritis46%
• Diabetes31%
• Ischemic heart disease22%
• Osteoporosis21%

Hospitals where Preston Y. Kim works

Medicare's Facility Affiliation Data lists Preston Y. Kim 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 Howard County Medical CenterColumbia, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210048
• 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 Preston Y. Kim is enrolled with Medicare (CMS data updated October 2, 2026).

• 10710 Charter Dr, Suite 110Columbia, MD 21044 (410) 992‑9797
• 621 Ridgely Ave, Suite 201Annapolis, MD 21401
• 700 Geipe Rd, Suite 230Catonsville, MD 21228 (410) 247‑7500

Group practices

Medicare enrollment lists Preston Y. Kim as a member of this group (CMS data updated October 2, 2026).

• Chesapeake Digestive Associates, PC38 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Maryland →

Other gastroenterologists in Columbia

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

• Missale Solomon, MD
• Thomas W. Abernathy Jr., MD
• Kester I. Crosse Ii, MD
• Lauren Halvorson, MD
• Louis Salas, MD
• Darryn Potosky, MD
• Biju K. Alex, MD
• Priti Bijpuria, MD

All gastroenterologists in Columbia →

Other clinicians in Chesapeake Digestive Associates, PC

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

• Missale Solomon, MD
• Barry J. Cukor, MD
• Marguerite Adams, PA
• Thomas W. Abernathy Jr., MD
• Christina Fang, NP
• Antonette S. Kanu, NP

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