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

Melissa Ann Knapp, FNP-CNP

Individual provider Family Nurse Practitioner · NPI 1922865435

Melissa Ann Knapp, FNP-CNP is a Nurse Practitioner in Owasso, Oklahoma. Graduated from University of Texas Medical Branch at Galveston in 2023, 3 years ago. Practices with Gastroenterology Specialists, Inc, a 22-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
3
Trained at
University of Texas Medical Branch at Galveston
Licensed in
OK
In the registry since
2024
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Practice location Address checks out

12455 E 100th St N Ste 270
Owasso, OK 74055-4676
Phone: (918) 940-8500
Fax: (918) 940-8399
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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 217063 (OK)

Record details

NPI number1922865435
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-CNP
Sole proprietorNo
NPI enumeratedMarch 1, 2024
Last updated in NPPESMarch 12, 2026
Certification dateMarch 12, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2023 (3 years in practice)
Group practice Gastroenterology Specialists, Inc. — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Owasso