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

Mamadou Sadio Diallo, FNP

Individual provider Family Nurse Practitioner · NPI 1164005104

Mamadou Sadio Diallo, FNP is a Nurse Practitioner in Havre de Grace, Maryland. Qualified in 2020, 6 years ago. Practices with Optimize Medical Group, a 29-clinician group. Licensed in Maryland.

Years since qualifying
6
Licensed in
MD
In the registry since
2021
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

504 Lewis St
Havre de Grace, MD 21078-3420
Phone: (443) 502-5311
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R221648 (MD)

Record details

NPI number1164005104
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedApril 28, 2021
Last updated in NPPESApril 28, 2021
Certification dateApril 28, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Optimize Medical Group — 29 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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