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

Tammy Lynn Underwood, FNP-C

Individual provider Family Medicine Physician · NPI 1902587405

Tammy Lynn Underwood, FNP-C is a Nurse Practitioner in Claysville, Pennsylvania. Graduated from Georgetown University School of Medicine in 2023, 3 years ago. Practices with Preferred Primary Care Physicians, Inc, a 88-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
3
Trained at
Georgetown University School of Medicine
Licensed in
PA
In the registry since
2023
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1263 Route 40 W
Claysville, PA 15323-1277
Phone: (724) 663-7731
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence SP027909 (PA)

Record details

NPI number1902587405
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJuly 27, 2023
Last updated in NPPESJuly 27, 2023
Certification dateJuly 27, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Group practice Preferred Primary Care Physicians, Inc. — 88 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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