IndividualActive
Ronald Merrill, M.D.
NPI 1588657431 · Family Medicine Physician · Corsicana, TX
Ronald Merrill, M.D. is a Family Medicine Physician provider in Corsicana, TX (NPI 1588657431).
Provider details
- NPI number
- 1588657431
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- E4524 (TX)
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
3124 W Highway 22
Corsicana, TX 75110-2435
Phone: (903) 641-4270
Fax: (903) 872-5321
Street-level locationGet directions
Mailing address
400 Hospital Dr
Corsicana, TX 75110-2489
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2012-05-08
Frequently asked questions
- What is Ronald Merrill's NPI number?
- Ronald Merrill's National Provider Identifier (NPI) is 1588657431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Merrill's specialty?
- Ronald Merrill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Merrill located?
- Ronald Merrill's practice location on file with NPPES is 3124 W Highway 22, Corsicana, TX 75110-2435.
- What is Ronald Merrill's phone number?
- The practice phone number listed in the NPPES registry for Ronald Merrill is (903) 641-4270.
- Is Ronald Merrill's NPI active?
- Yes — Ronald Merrill's NPI (1588657431) is active in the NPPES registry as of the last update on 2012-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.