Quick answers
- Where does Richard Rosenthal see patients?
- Medicare's clinician data lists 5 practice locations, including Hagerstown, MD, Frederick, MD and Reston, VA. Call before your visit to confirm the address.
- What is Richard Rosenthal's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Richard Rosenthal accept Medicare assignment?
- Yes. Medicare's clinician data says Richard Rosenthal 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.
- What is the phone number for Richard Rosenthal?
- (240) 267-2216, as listed in official Medicare / NPI Registry data.
- What is Richard Rosenthal's NPI number?
- 1942295852. 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 Richard Rosenthal is enrolled with Medicare (CMS data updated 2026-10-02).
- 1150 Omega Dr, Suite 100Hagerstown, MD 21740 (240) 267‑2216
- 161 Thomas Johnson Dr, Suite 150Frederick, MD 21702 (301) 662‑1244
- 1830 Town Ctr Dr, Suite 206Reston, VA 20190 (703) 437‑5151
- 4565 Daisy Reid Ave, Suite 120Woodbridge, VA 22192 (703) 490‑5803
- 7501 Greenway Ctr Dr, Suite 440Greenbelt, MD 20770 (301) 474‑8118
Group practices
Medicare enrollment lists Richard Rosenthal as a member of this group (CMS data updated 2026-10-02).
- Asthma and Allergy Center LLC36 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1966 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942295852 |
| 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