Quick answers
- Which hospitals does Karen Chachu work at?
- Medicare's official clinician data lists Karen Chachu at 2 hospitals: Duke University Hospital and Sibley Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Chachu see patients?
- Medicare's clinician data lists 5 practice locations, including Oxon Hill, MD, Washington, DC and Raleigh, NC. Call before your visit to confirm the address.
- What is Karen Chachu's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Karen Chachu accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Chachu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Karen Chachu offer telehealth?
- Medicare's clinician data says Karen Chachu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Karen Chachu?
- (240) 238-0067, as listed in official Medicare / NPI Registry data.
- What is Karen Chachu's NPI number?
- 1871727396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Chachu works
Medicare's Facility Affiliation Data lists Karen Chachu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Duke University HospitalDurham, NC · Acute Care Hospital · CCN 340030
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · CCN 090005
Practice locations
Addresses where Karen Chachu is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 Potomac PsgeOxon Hill, MD 20745 (240) 238‑0067
- 2021 K St NW, Suite T 110 Metroploitan GastroenterologyWashington, DC 20061 (202) 296‑3449
- 3400 Wake Forest Rd, Suite 310Raleigh, NC 27609 (919) 620‑4855
- 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111
- 6100 Executive BlvdRockville, MD 20852
Group practices
Medicare enrollment lists Karen Chachu as a member of these groups (CMS data updated 2026-10-02).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
- Capital Digestive Care LLC241 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Medical school | Washington College Of Physicians And Surgeons |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871727396 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians