IndividualActive
Sean Johnson, M.D.
NPI 1164486510 · Orthopaedic Hand Surgery Physician · Gaithersburg, MD
Provider details
- NPI number
- 1164486510
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD11937 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(95/100 index)
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
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
655 Watkins Mill Rd
Gaithersburg, MD 20879-3301
Phone: (240) 632-4375
Street-level locationGet directions
Mailing address
655 Watkins Mill Rd
Gaithersburg, MD 20879-3301
Additional practice locations (1)
- 2 Dudley StSuite 200Providence, RI 02905-3236Phone: (401) 457-2168Fax: (401) 831-8455
Registry dates
- Enumerated
- 2006-04-13
- Last updated
- 2021-06-27
- Certified
- 2021-06-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.