Quick answers
- Which hospitals does Aashish Dewan work at?
- Medicare's official clinician data lists Aashish Dewan at 1 hospital: Frederick Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aashish Dewan see patients?
- Medicare's clinician data lists 14 practice locations, including Washington, DC, Wheaton, MD and Gaithersburg, MD. Call before your visit to confirm the address.
- What is Aashish Dewan's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Aashish Dewan accept Medicare assignment?
- Yes. Medicare's clinician data says Aashish Dewan 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 Aashish Dewan offer telehealth?
- Medicare's clinician data says Aashish Dewan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Aashish Dewan?
- (202) 429-2401, as listed in official Medicare / NPI Registry data.
- What is Aashish Dewan's NPI number?
- 1619506979. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aashish Dewan works
Medicare's Facility Affiliation Data lists Aashish Dewan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
Practice locations
Addresses where Aashish Dewan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
- 11915 Georgia AveWheaton, MD 20902 (301) 942‑4505
- 12111 Darnestown RdGaithersburg, MD 20878 (301) 926‑3095
- 18045 Georgia AveOlney, MD 20832 (301) 774‑8026
- 20 University Blvd ESilver Spring, MD 20901 (240) 863‑2720
Group practices
Medicare enrollment lists Aashish Dewan as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- MedStar Urgent Care LLC300 clinicians in the group
- Hospitalist Medicine Physicians of Maryland PC71 clinicians in the group
Specialties
- Family Practiceprimary
Find other Family Practice doctors in District of Columbia →
Other family doctors in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Toledo College Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619506979 |
| 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