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

Alissa Whittaker, FNP

Individual provider Family Nurse Practitioner · NPI 1033540638

Alissa Whittaker, FNP is a Nurse Practitioner in Plymouth, Indiana. Qualified in 2013, 13 years ago. Practices with Diagnostic Medicine PC, a 3-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
13
Licensed in
IN
In the registry since
2013
Specialties on file
2
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

113 N Michigan St
Plymouth, IN 46563-2132
Phone: (574) 936-2643
Fax: (574) 540-4001
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 71004885A (IN)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 28186867A (IN)

Record details

NPI number1033540638
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedDecember 6, 2013
Last updated in NPPESNovember 5, 2025
Certification dateNovember 5, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Diagnostic Medicine P.C. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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