KAY SON MD
NPI 1992889471
Internal Medicine in Nashville, TN

Q: What is Kay Son's NPI number?

The NPI number for Kay Son is 1992889471. It was assigned to this individual provider in the NPPES registry on October 24, 2006. The provider is also known as A Kay Son MD.

Q: What is Kay Son's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Kay Son was last updated on March 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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 October 24, 2006PECOS EnrolledAccepts Medicare Assignment

3413 NOLENSVILLE PIKE, SUITE A, NASHVILLE, TN 37211(615) 333-8383(615) 333-1660 Get Directions Write a Review

NPPES record last updated: March 9, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Kay Son Md NPPES

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

KAY SON MD (NPI 1992889471) is an individual internal medicine provider in Nashville, Tennessee, licensed in Tennessee (MD11290) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1975).

NPPES Registry Identity

NPI1992889471

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameKAY SONCredential: MD

Location Address3413 NOLENSVILLE PIKE, SUITE ANashville, TN 37211-2911

Mailing Address3413 Nolensville Pike, Suite ANashville, TN 37211-2911 · (615) 333-8383 · Fax (615) 333-1660

Phone(615) 333-8383

Fax(615) 333-1660

Sole ProprietorYes

Medical School CMSOtherGraduated 1975

Enumeration DateOctober 24, 2006

Last NPPES UpdateMarch 9, 2010

✔ NPI 1992889471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · MD11290

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Addiction MedicineTaxonomy 207RA0401X · License 11290 (TN)

Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 11290 (TN)

3413 NOLENSVILLE PIKE, Nashville, TN 37211

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Other Names 1

Other Name (5)A Kay Son Md

Other Identifiers 2

Medicare ID-Type Unspecified3166197TN

Medicare UPINB03158TN

Accepted Insurance

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

Kay Son Md 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 ID2860437282

PECOS Enrollment IDI20050627001386

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 Kay Son reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Applegate Health Services Of Tennessee, Inc

2.4 mi

Rehabilitation, Substance Use Disorder

446 METROPLEX DR STE 200A
Nashville, TN 37211

Reassigned Medicare billing, Tennessee enrollment
8 clinicians in this Medicare group

NPI 1912465121 (214) 379-3300

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37211 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

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 3

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

MID TN CLINIC PLLC

Clinic/Center (Urgent Care)

3413 NOLENSVILLE PIKE
NASHVILLE, TN 37211

Davidson County (615) 569-4067

MID TN CLINIC LLC

Clinical Nurse Specialist (Acute Care)

3413 NOLENSVILLE PIKE
NASHVILLE, TN 37211

Davidson County (615) 569-4067

SOUTHCREST CLINIC, P. C.

Internal Medicine

3413 NOLENSVILLE PIKE, SUITE A
NASHVILLE, TN 37211

Davidson County (615) 333-8383

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 Kay Son's NPI number?

The NPI number for Kay Son is 1992889471. It was assigned to this individual provider in the NPPES registry on October 24, 2006. The provider is also known as A Kay Son MD.

Where is Kay Son located?

Kay Son practices at 3413 Nolensville Pike Suite A, Nashville, TN 37211. The listed phone number is (615) 333-8383.

What is Kay Son's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Kay Son enrolled in Medicare?

Yes. Kay Son 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 Kay Son's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kay Son reassigns Medicare benefits to Applegate Health Services Of Tennessee, Inc (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 Kay Son's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kay Son accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and Oscar Insurance Company list Kay Son 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.

When was this NPI record last updated?

The NPPES record for Kay Son was last updated on March 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.