Ruth Dwyer, M.D.
NPI 1255323168 · Pediatric Adolescent Medicine Physician · Hagerstown, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Dwyer, M.D. is a Pediatric Adolescent Medicine Physician provider in Hagerstown, MD (NPI 1255323168).
Provider details
- NPI number
- 1255323168
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D52105 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-17
- Last updated
- 2013-02-15
Frequently asked questions
- What is Ruth Dwyer's NPI number?
- Ruth Dwyer's National Provider Identifier (NPI) is 1255323168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Dwyer's specialty?
- Ruth Dwyer is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Dwyer located?
- Ruth Dwyer's practice location on file with NPPES is 1161 Omega Dr, Hagerstown, MD 21740-5574.
- What is Ruth Dwyer's phone number?
- The practice phone number listed in the NPPES registry for Ruth Dwyer is (301) 393-2600.
- Does Ruth Dwyer accept Medicare?
- Ruth Dwyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Dwyer's NPI active?
- Yes — Ruth Dwyer's NPI (1255323168) is active in the NPPES registry as of the last update on 2013-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.