Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Francis A Merlo, DO

Individual provider Internal Medicine Physician · NPI 1386606002

Francis A Merlo, DO is an Internal Medicine Physician in Millville, Delaware. Licensed in Delaware and New Jersey. Registered with an NPI since 2006.

Licensed in
DE, NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

32550 Docs Pl
Millville, DE 19967-6953
Phone: (302) 539-4302
Fax: (302) 539-4305
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C2-0010561 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MB02797300 (NJ)

Record details

NPI number1386606002
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 6, 2006
Last updated in NPPESMarch 13, 2014