Charles Merrill, DO
NPI 1366547382 · Family Medicine Physician · Marietta, OH
Charles Merrill, DO is a Family Medicine Physician provider in Marietta, OH (NPI 1366547382).
Provider details
- NPI number
- 1366547382
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34 . 005908 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2011-07-13
Frequently asked questions
- What is Charles Merrill's NPI number?
- Charles Merrill's National Provider Identifier (NPI) is 1366547382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Merrill's specialty?
- Charles Merrill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Merrill located?
- Charles Merrill's practice location on file with NPPES is 227 Third Street, Marietta, OH 45750-1323.
- What is Charles Merrill's phone number?
- The practice phone number listed in the NPPES registry for Charles Merrill is (740) 434-5952.
- Is Charles Merrill's NPI active?
- Yes — Charles Merrill's NPI (1366547382) is active in the NPPES registry as of the last update on 2011-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.