1. Home
  2. Directory
  3. Tennessee
  4. Nashville
  5. Nurse Practitioner
  6. NPI Profile

GRANT MASON
NPI 1073395125
Nurse Practitioner in Nashville, TN

Active since October 13, 2023PECOS EnrolledAccepts Medicare Assignment
8 CITY BLVD STE 300, NASHVILLE, TN 37209(615) 329-2294(615) 695-1494 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Grant Mason NPPES

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

GRANT MASON (NPI 1073395125) is an individual nurse practitioner in Nashville, Tennessee, licensed in Tennessee (39994) and active in the NPI registry since October 2023. He is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1073395125
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameGRANT MASON
Location Address8 CITY BLVD STE 300Nashville, TN 37209-2560
Mailing AddressPo Box 306556Nashville, TN 37230-6556 · (615) 329-2294 · Fax (615) 695-1494
Phone(615) 329-2294
Fax(615) 695-1494
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 13, 2023
Last NPPES UpdateOctober 14, 2025
NPPES CertifiedOctober 14, 2025
✔ NPI 1073395125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TN · 39994
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 242525 (TN)
8 CITY BLVD STE 300, Nashville, TN 37209
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grant Mason 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 ID6305337221
PECOS Enrollment IDI20251118003012
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.

Medicare Billing Reassignment

Medicare enrollment records show Grant Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tennessee Orthopaedic Alliance PA
7.0 mi
Orthopaedic Surgery
4230 HARDING PIKE STE 1000
Nashville, TN 37205
  • Reassigned Medicare billing, Tennessee enrollment
  • 365 clinicians in this Medicare group
NPI 1831183250No phone listed

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Tristar Centennial Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440161
Location2300 Patterson StreetNashville, TN 37203 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37209 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 20

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

JAMES HARDMAN RUBRIGHT M.D.
Orthopaedic Surgery (Hand Surgery)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
WILLIAM EDWARD CARPENTER M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 823-8891
DR. JANE MERIDETH SIEGEL MD
Orthopaedic Surgery (Hand Surgery)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
MRS. KATIE JO VANHOOSER PA-C
Physician Assistant (Surgical)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
DOUGLAS ARTHUR MCINNIS JR. FNP
Nurse Practitioner
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
DR. DANIEL SWAN BURRUS MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
PAUL D CROOK MD
Orthopaedic Surgery (Sports Medicine)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 329-6600
PETER CASEY MD
Orthopaedic Surgery (Hand Surgery)
8 CITY BLVD STE 300
NASHVILLE, TN 37209
Davidson County (615) 823-8891

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grant Mason's NPI number?

The NPI number for Grant Mason is 1073395125. It was assigned to this individual provider in the NPPES registry on October 13, 2023.

Where is Grant Mason located?

Grant Mason practices at 8 City Blvd Ste 300, Nashville, TN 37209. The listed phone number is (615) 329-2294.

What is Grant Mason's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Grant Mason enrolled in Medicare?

Yes. Grant Mason is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Grant Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Mason reassigns Medicare benefits to Tennessee Orthopaedic Alliance PA (Nashville, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grant Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grant Mason accept?

Health plans from BlueCross BlueShield of Tennessee and Cigna Healthcare list Grant Mason as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Grant Mason affiliated with any hospitals?

According to CMS data, Grant Mason is affiliated with Ascension Saint Thomas Hospital and Tristar Centennial Medical Center.

When was this NPI record last updated?

The NPPES record for Grant Mason was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.