IndividualActive
Duane Marchyn, MD
NPI 1104846906 · Orthopaedic Surgery Physician · Portsmouth, OH
Provider details
- NPI number
- 1104846906
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35048826 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1711 27th St Ste 102
Portsmouth, OH 45662-2657
Phone: (740) 356-1709
Fax: (740) 353-3027
Street-level locationGet directions
Mailing address
1735 27th St Ste B06
Portsmouth, OH 45662-2681
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2019-10-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.