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

Mary M Callahan, ARNP

Individual provider Family Nurse Practitioner · NPI 1831151638

Mary M Callahan, ARNP is a Nurse Practitioner in Winter Park, Florida. Qualified in 2004, 22 years ago. Practices with Florida Hospital Medical Group Inc, a 1,715-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
22
Licensed in
FL
In the registry since
2006
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

1925 Mizell Ave Ste 201
Winter Park, FL 32792-4106
Phone: (407) 628-0448
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 3060172 (FL)

Record details

NPI number1831151638
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedApril 5, 2006
Last updated in NPPESJune 11, 2010
Mailing address1926 Lake Sue Dr, Orlando, FL 32803-1657

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Florida Hospital Medical Group Inc — 1715 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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