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

Jack Keiser, FNP

Individual provider Family Nurse Practitioner · NPI 1104393651

Jack Keiser, FNP is a Nurse Practitioner in Nashville, Tennessee. Qualified in 2018, 8 years ago. Practices with Saint Thomas Medical Partners, a 584-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Florida and Tennessee.

Years since qualifying
8
Licensed in
CA, FL, TN
In the registry since
2018
Specialties on file
3
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

41 Peabody St
Nashville, TN 37210-2125
Phone: (615) 420-7515
Fax: (615) 420-7515
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (3)

  • 611 Gateway Blvd Ste 120, South San Francisco, CA 94080-7066 — (650) 761-4056
  • 333 Se 2nd Ave Ste 2000, Miami, FL 33131-2185 — (650) 761-4056
  • 2513 White Ave Apt 7, Nashville, TN 37204-2731 — (615) 420-7515

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95018639 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence APRN11042755 (FL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 24976 (TN)

Record details

NPI number1104393651
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedNovember 1, 2018
Last updated in NPPESApril 16, 2026
Certification dateApril 16, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Saint Thomas Medical Partners — 584 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Nashville