NPPES file of Aug 9, 2026

Katie Lyn Barker, FNP-BC

Family Nurse Practitioner · Greenville, SC

Katie Lyn Barker, FNP-BC is a family nurse practitioner with a practice address in Greenville, South Carolina, and NPI 1275212094, issued on Jul 18, 2023. Check the license (South Carolina 27724, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275212094
Name
Katie Lyn Barker
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
27724 SC
Self-reported in NPPES; status is on the state search
Practice location
701 Grove RD FL 1, Greenville, SC 29605
Phone
(864) 455-7899
Enumerated
Jul 18, 2023
Record last updated
Apr 15, 2025
Fax
(864) 455-5474
Medicare enrollment
Enrolled (PECOS I20240328000716); 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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8 nearest family nurse practitioner records → All 4,320 in South Carolina → Look up another NPI →

Also registered at 701 Grove RD FL 1

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

  1. Katherine AldenPsychiatry Physician1598405649
  2. Judson Alderman, M.D.Emergency Medicine Physician1043667629
  3. Henrique Alencastro Puls, MDCritical Care Medicine (Anesthesiology) Physician1568969723
  4. Fariya Ali, M.D.Psychiatry Physician1891220497
  5. Jordan AllenEmergency Medicine Physician1154958452
  6. Wallace Anderson, MDEmergency Medicine Physician1467080762

Verify Katie Lyn Barker 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 27724    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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45% fewer Medicare Part D claims than the average family nurse practitioner in 2024

721 Medicare Part D claims for 276 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Katie Barker721
  2. Specialty average1,305

Most prescribed

  1. Albuterol Sulfate Hfa39 claims
  2. Amoxicillin-Clavulanate Potass30 claims
  3. Nitrofurantoin26 claims
  4. Prednisone24 claims
  5. Atorvastatin Calcium22 claims
  6. Sulfamethoxazole-Trimethoprim20 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.

Industry payments in 2024: $11.70

1 payment: food and beverage; the largest payer was Beta Bionics, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katie Barker$11.70
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prisma Health University Medical GroupGreenville, SC

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

Katie Lyn Barker among 4,320 family nurse practitioner records in South Carolina

Katie Lyn Barker, FNP-BC is one of 4,320 family nurse practitioner records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 82% of them.

  • NPI issued2023 · 82% of these records are older, 13% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2023 · median 2018 among the 2,643 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

514 family nurse practitioner records list a practice address in Greenville

They are 514 of the 10,264 NPPES records with a practice address in Greenville, and 4,320 family nurse practitioner records in South Carolina.

All 4,320 in South Carolina → Every provider in Greenville → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christine Barbrey, FNPGreenville, SC 296051861435968
  2. Mark Boswell, FNPGreenville, SC 296051194752964
  3. Misti Burgess, FNPGreenville, SC 296051538140025
  4. Jennifer Fox, NPGreenville, SC 296051033114798
  5. Jonathan Frazier, NPGreenville, SC 296051558327528
  6. Carolyn Gentles, FNPGreenville, SC 296051588654792
  7. Susan Kanipe, FNPGreenville, SC 296051881647998
  8. Brandy Kennedy, NDGreenville, SC 296051578532040

Common questions

What is Katie Lyn Barker, FNP-BC's NPI number?

Katie Lyn Barker, FNP-BC's National Provider Identifier (NPI) is 1275212094, issued on Jul 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katie Lyn Barker, FNP-BC located?

The NPPES record lists a practice address at 701 Grove RD FL 1, Greenville, SC, 29605. Phone: (864) 455-7899. Providers update this record themselves, so call before visiting.

How can I verify Katie Lyn Barker, FNP-BC's license?

NPPES lists South Carolina license number 27724, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Katie Lyn Barker, FNP-BC prescribe under Medicare Part D?

In 2024, Katie Lyn Barker, FNP-BC had 721 Medicare Part D claims for 276 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.