Ronald Mercer, DO MPH
NPI 1770605404 · Family Medicine Physician · Wilmington, DE
Ronald Mercer, DO MPH is a Family Medicine Physician provider in Wilmington, DE (NPI 1770605404).
Provider details
- NPI number
- 1770605404
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO MPH
- Sex
- Male
- Sole proprietor
- No
- License
- C20002147 (DE)
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
- 2007-04-04
- Last updated
- 2025-09-11
Frequently asked questions
- What is Ronald Mercer's NPI number?
- Ronald Mercer's National Provider Identifier (NPI) is 1770605404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Mercer's specialty?
- Ronald Mercer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Mercer located?
- Ronald Mercer's practice location on file with NPPES is Route 141, Wilmington, DE 19880-0700.
- What is Ronald Mercer's phone number?
- The practice phone number listed in the NPPES registry for Ronald Mercer is (302) 999-2267.
- Is Ronald Mercer's NPI active?
- Yes — Ronald Mercer's NPI (1770605404) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.