IndividualActive
Arthur Armstrong, M.D.
NPI 1548234677 · Internal Medicine Physician · Marion, OH
Arthur Armstrong, M.D. is a Internal Medicine Physician provider in Marion, OH (NPI 1548234677).
Provider details
- NPI number
- 1548234677
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD425229 (PA)
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
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
1040 Delaware Ave
Marion, OH 43302-6416
Phone: (740) 383-7820
Fax: (740) 383-7023
Street-level locationGet directions
Mailing address
L-3549
Columbus, OH 43260-0001
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2012-11-13
Frequently asked questions
- What is Arthur Armstrong's NPI number?
- Arthur Armstrong's National Provider Identifier (NPI) is 1548234677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Armstrong's specialty?
- Arthur Armstrong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Armstrong located?
- Arthur Armstrong's practice location on file with NPPES is 1040 Delaware Ave, Marion, OH 43302-6416.
- What is Arthur Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Arthur Armstrong is (740) 383-7820.
- Is Arthur Armstrong's NPI active?
- Yes — Arthur Armstrong's NPI (1548234677) is active in the NPPES registry as of the last update on 2012-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.