Jack Keiser, FNP
Family Nurse Practitioner · Nashville, TN
Jack Keiser, FNP is a family nurse practitioner with a practice address in Nashville, Tennessee, and NPI 1104393651, issued on Nov 1, 2018. Check the license (Tennessee 24976, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jack Keiser
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 24976 TN
95018639 CA
APRN11042755 FL
Self-reported in NPPES; status is on the state search - Practice location
- 41 Peabody St, Nashville, TN 37210
- Phone
- (615) 420-7515
- Enumerated
- Nov 1, 2018
- Record last updated
- Apr 16, 2026
- Fax
- (615) 420-7515
- Medicare enrollment
- Enrolled (PECOS I20190305001449); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Also registered at 41 Peabody St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberley Smith, CCMAPhlebotomy Technician1457036451
Verify Jack Keiser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 24976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
28 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.15
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Dreem Sleep Clinic OF CaliforniaSouth San Francisco, CA
- Saint Thomas Medical PartnersMurfreesboro, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Keiser among 9,060 family nurse practitioner records in Tennessee
Jack Keiser, FNP is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 56% of them.
- NPI issued2018 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2017 among the 5,523 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,518 family nurse practitioner records list a practice address in Nashville
They are 1,518 of the 24,357 NPPES records with a practice address in Nashville, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Nashville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Caitlin Allen, FNPNashville, TN 372101669809141
- Beverly Dinwiddie, NURSE PRACTITIONERNashville, TN 372101033151832
- Desiree Belle Dy, FNPNashville, TN 372101215902564
- Courtney Hix, FNP, BCNashville, TN 372101285297051
- Talitha Kyle, APRNNashville, TN 372101396097564
- Sunny Lehman, MSN, FNP-CNashville, TN 372101376485078
- Kimberly Reilly, APRN, FNP-BCNashville, TN 372101487369633
- Amrit SainiNashville, TN 372101801788765
Common questions
What is Jack Keiser, FNP's NPI number?
Jack Keiser, FNP's National Provider Identifier (NPI) is 1104393651, issued on Nov 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jack Keiser, FNP located?
The NPPES record lists a practice address at 41 Peabody St, Nashville, TN, 37210. Phone: (615) 420-7515. Providers update this record themselves, so call before visiting.
How can I verify Jack Keiser, FNP's license?
NPPES lists Tennessee license number 24976, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Jack Keiser, FNP prescribe under Medicare Part D?
In 2024, Jack Keiser, FNP had 28 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.