NPPES file of Aug 9, 2026

Kay Elizabeth Gianantonio, CNP

Adult Health Nurse Practitioner · North Myrtle Beach, SC

Kay Elizabeth Gianantonio, CNP is an adult health nurse practitioner with a practice address in North Myrtle Beach, South Carolina, and NPI 1619346038, issued on Sep 15, 2015. Check the license (South Carolina 29898, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619346038
Name
Kay Elizabeth Gianantonio
Credential
CNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
29898 SC
Self-reported in NPPES; status is on the state search
Practice location
240 Highway 17 N, North Myrtle Beach, SC 29582
Phone
(843) 310-4969
Enumerated
Sep 15, 2015
Record last updated
Mar 25, 2026
Fax
(843) 213-6946
Medicare enrollment
Enrolled (PECOS I20250918000119); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 240 Highway 17 N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Nirenstein, MDFamily Medicine Physician1538303060

Verify Kay Elizabeth Gianantonio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 29898
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

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4.2 times the Medicare Part D claims of the average adult health nurse practitioner in 2024

5,377 Medicare Part D claims for 340 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Kay Gianantonio5,377
  2. Specialty average1,280

Most prescribed

  1. Levothyroxine Sodium349 claims
  2. Atorvastatin Calcium346 claims
  3. Lisinopril236 claims
  4. Amlodipine Besylate226 claims
  5. Rosuvastatin Calcium195 claims
  6. Losartan Potassium181 claims

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.

The MIPS final score for 2023 (Medicare payment program): 90.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Centerwell Senior Primary Care SC JV PCMyrtle Beach, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kay Elizabeth Gianantonio among 402 adult health nurse practitioner records in South Carolina

Kay Elizabeth Gianantonio, CNP is one of 402 adult health nurse practitioner records with a practice address in South Carolina. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 59% of them.

  • NPI issued2015 · 59% of these records are older, 33% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2015 · median 2015 among the 224 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in South Carolina

There are 402 adult health nurse practitioner records in South Carolina.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Ellen Ianelli, APN BCMyrtle Beach, SC 295791417076175
  2. Yolanda Lang, CRNPMyrtle Beach, SC 295791790139558
  3. Mary O'Neill, FNPPawleys Island, SC 295851992850333
  4. Wanda Cawthon, ANPMyrtle Beach, SC 295771356374334
  5. Kirby Shergill, CRNAMyrtle Beach, SC 295771740666445
  6. Jacqueline Thomas, ARNPMyrtle Beach, SC 295771952657843
  7. Tamara Bowman, APRNMurrells Inlet, SC 295761194059360
  8. Mary Kelly, NPMyrtle Beach, SC 295881114131356

Common questions

What is Kay Elizabeth Gianantonio, CNP's NPI number?

Kay Elizabeth Gianantonio, CNP's National Provider Identifier (NPI) is 1619346038, issued on Sep 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Kay Elizabeth Gianantonio, CNP located?

The NPPES record lists a practice address at 240 Highway 17 N, North Myrtle Beach, SC, 29582. Phone: (843) 310-4969. Providers update this record themselves, so call before visiting.

How can I verify Kay Elizabeth Gianantonio, CNP's license?

NPPES lists South Carolina license number 29898, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Kay Elizabeth Gianantonio, CNP prescribe under Medicare Part D?

In 2024, Kay Elizabeth Gianantonio, CNP had 5,377 Medicare Part D claims for 340 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Kay Elizabeth Gianantonio, CNP's MIPS final score?

The 2023 MIPS final score is 90.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.