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

MS. Marina Marlene Overby, NP

Individual provider Family Nurse Practitioner · NPI 1194394098

MS. Marina Marlene Overby, NP is a Nurse Practitioner in Hagerstown, Maryland. Qualified in 2021, 5 years ago. Practices with Medical Practices of Antietam, LLC, a 231-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maryland and Missouri.

Years since qualifying
5
Licensed in
MD, MO
In the registry since
2021
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

11110 Medical Campus Rd Ste 143
Hagerstown, MD 21742-6755
Phone: (301) 714-4350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 6700 Race Track Rd, Bowie, MD 20715-3009 — (301) 383-2581
  • 2115 S Fremont Ave Ste 5000, Springfield, MO 65804-2230 — (417) 820-3912

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence R200988 (MD)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 2022024349 (MO)

Record details

NPI number1194394098
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 23, 2021
Last updated in NPPESDecember 5, 2023
Certification dateDecember 5, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Medical Practices Of Antietam, Llc — 231 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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