JACK KEISER FNP
NPI 1104393651
Nurse Practitioner - Family in Nashville, TN

Q: What is Jack Keiser's NPI number?

The NPI number for Jack Keiser is 1104393651. It was assigned to this individual provider in the NPPES registry on November 1, 2018.

Q: What is Jack Keiser's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Jack Keiser was last updated on April 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 01, 2018PECOS EnrolledAccepts Medicare Assignment

41 PEABODY ST, NASHVILLE, TN 37210(615) 420-7515(615) 420-7515 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 16, 2026, Oct 10, 2025, Sep 6, 2024 and 2 more (5 updates tracked since 2018).

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About Jack Keiser Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACK KEISER FNP (NPI 1104393651) is an individual family provider in Nashville, Tennessee, licensed in California (95018639) and active in the NPI registry since November 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1104393651

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameJACK KEISERCredential: FNP

Location Address41 PEABODY STNashville, TN 37210-2125

Mailing Address9300 Arrowhead CtBrentwood, TN 37027-7477 · (615) 775-7720

Phone(615) 420-7515

Fax(615) 420-7515

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateNovember 1, 2018

Last NPPES UpdateApril 16, 20265 updates tracked since enumeration

NPPES CertifiedApril 16, 2026

✔ NPI 1104393651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in CA · 95018639✔ Licensed in FL · APRN11042755✔ Licensed in TN · 24976

41 PEABODY ST, Nashville, TN 37210

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Secondary Practice Locations 3

Location 1611 Gateway Blvd Ste 120South San Francisco, CA 94080-7066 · Phone (650) 761-4056

Location 22513 White Ave Apt 7Nashville, TN 37204-2731 · Phone (615) 420-7515 · Fax (615) 420-7515

Location 3333 SE 2nd Ave Ste 2000Miami, FL 33131-2185 · Phone (650) 761-4056

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jack Keiser Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577802800

PECOS Enrollment IDI20190305001449, I20250822001230

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

27 services19 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

6 suppliers13 claims13 services$48.77 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

6 suppliers14 claims14 services$16.80 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

5 suppliers14 claims14 services$13.17 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers20 claims94 services$2.07 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

5 suppliers21 claims21 services$92.59 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

4 suppliers51 claims51 services$35.37 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BORDEAUX LABORATORIES INC

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