RONALD B. MERCER DO MPH – NPI #1770605404
Family Medicine
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
RONALD MERCER is a physician located in WILMINGTON, DE. NPPES has assigned the NPI number 1770605404 to RONALD MERCER on April 04, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207Q00000X from the Health Care Provider Taxonomy code set, which is classified as Family Medicine.
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for RONALD MERCER below.
NPI Profile for
RONALD B. MERCER
(more than 19 years ago)
DUPONT MEDICAL CLINIC CRP 700
WILMINGTON, DE 19880-0700 Phone: (302) 999-2267 Fax: (302) 999-3665
HOCKESSIN, DE 19707-2101 Phone: (302) 234-0282 Fax:
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207Q00000X - Family Medicine (Primary) |
DE | C20002147 |
| 2083X0100X - Preventive Medicine / Occupational Medicine |
DE | C20002147 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.