MRS. KEISHA WAYNETTE MASON AGACNP
NPI 1265396436
Nurse Practitioner - Acute Care in Nashville, TN

Q: What is Keisha Mason's NPI number?

The NPI number for Keisha Mason is 1265396436. It was assigned to this individual provider in the NPPES registry on December 12, 2025.

Q: What is Keisha Mason's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Keisha Mason was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 12, 2025PECOS EnrolledAccepts Medicare Assignment

300 20TH AVE N STE G4, NASHVILLE, TN 37203(615) 284-5098(615) 284-5385 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 16, 2026, Dec 12, 2025 (2 updates tracked since 2025).

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About Mrs. Keisha Waynette Mason Agacnp NPPES

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

MRS. KEISHA WAYNETTE MASON AGACNP (NPI 1265396436) is an individual acute care provider in Nashville, Tennessee, licensed in Tennessee (40406) and active in the NPI registry since December 2025. She is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1265396436

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMRS. KEISHA WAYNETTE MASONCredential: AGACNP

Location Address300 20TH AVE N STE G4Nashville, TN 37203-2244

Mailing Address3024 Business Park CirGoodlettsville, TN 37072-3132 · (615) 239-2018

Phone(615) 284-5098

Fax(615) 284-5385

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateDecember 12, 2025

Last NPPES UpdateJanuary 16, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 16, 2026

✔ NPI 1265396436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in TN · 40406

300 20TH AVE N STE G4, Nashville, TN 37203

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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

Mrs. Keisha Waynette Mason Agacnp 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 ID345727152

PECOS Enrollment IDI20260123000272

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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440082

Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37203 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.

Other Providers at the Same Location NPPES 14

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

ASHLEY ANN WYSE N.P.

Nurse Practitioner (Family)