Quick answers
- Where does Daniel J. Merenstein see patients?
- Medicare's clinician data lists 3 practice locations, including Wheaton, MD, Washington, DC and Fairfax, VA. Call before your visit to confirm the address.
- What is Daniel J. Merenstein's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Daniel J. Merenstein accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel J. Merenstein 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 Daniel J. Merenstein offer telehealth?
- Medicare's clinician data says Daniel J. Merenstein offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Daniel J. Merenstein?
- (301) 942-4505, as listed in official Medicare / NPI Registry data.
- What is Daniel J. Merenstein's NPI number?
- 1780748822. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Daniel J. Merenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 11915 Georgia AveWheaton, MD 20902 (301) 942‑4505
- 1805 Columbia Rd NWWashington, DC 20009 (202) 797‑4960
- 3650 Joseph Siewick Dr, Suite 101Fairfax, VA 22033 (703) 391‑2020
Group practices
Medicare enrollment lists Daniel J. Merenstein as a member of these groups (CMS data updated 2026-10-02).
- MedStar Urgent Care LLC300 clinicians in the group
- Inova Physician Partners LLC262 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wheaton
Clinicians with the same Medicare primary specialty in Wheaton, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780748822 |
| 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
- 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