James Ryan, DDS, MS
NPI 1356508493 · Oral and Maxillofacial Surgery (Dentist) · Germantown, MD
James Ryan, DDS, MS is a Oral and Maxillofacial Surgery (Dentist) provider in Germantown, MD (NPI 1356508493).
Provider details
- NPI number
- 1356508493
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- DDS, MS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 053798 (NY)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 110 Irving St NwSuite Ga 141 BWashington, DC 20010-3017Phone: (202) 877-2481
Registry dates
- Enumerated
- 2008-05-16
- Last updated
- 2021-11-15
- Certified
- 2021-11-15
Frequently asked questions
- What is James Ryan's NPI number?
- James Ryan's National Provider Identifier (NPI) is 1356508493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Ryan's specialty?
- James Ryan is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is James Ryan located?
- James Ryan's practice location on file with NPPES is 19851 Observation Dr Ste 320, Germantown, MD 20876-4143.
- What is James Ryan's phone number?
- The practice phone number listed in the NPPES registry for James Ryan is (301) 916-6000.
- Is James Ryan's NPI active?
- Yes — James Ryan's NPI (1356508493) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.