NPPES file of Aug 9, 2026

Catrina Grefe

Adult Health Nurse Practitioner · Aiken, SC

Catrina Grefe is an adult health nurse practitioner with a practice address in Aiken, South Carolina, and NPI 1083194500, issued on Aug 14, 2018. Check the license (South Carolina 26706, 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
1083194500
Name
Catrina Grefe
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
26706 SC
F308843-1 NY
Self-reported in NPPES; status is on the state search
Practice location
3525 Augustus RD, Aiken, SC 29801
Phone
(803) 642-8376
Enumerated
Aug 14, 2018
Record last updated
Jul 10, 2023
Medicare enrollment
Enrolled (PECOS I20230405000354); 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 3525 Augustus RD

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

  1. Elisia Boatright, PT, DPTPhysical Therapist1265075220
  2. Victoria CozartOccupational Therapy Assistant1417509449
  3. Tonya Gross, COTA/LPhysical Medicine & Rehabilitation Physician1528653516
  4. Tashara HarrisOccupational Therapy Assistant1083183206
  5. Carolyn HooksPhysical Therapy Assistant1205308384
  6. Andrew Voss, PTAPhysical Therapy Assistant1750853982

Verify Catrina Grefe 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 26706
    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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7.5 times the Medicare Part D claims of the average adult health nurse practitioner in 2024

9,623 Medicare Part D claims for 170 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 347 claims were for opioids.

  1. Catrina Grefe9,623
  2. Specialty average1,280

Most prescribed

  1. Gabapentin521 claims
  2. Amlodipine Besylate479 claims
  3. Omeprazole400 claims
  4. Furosemide373 claims
  5. Losartan Potassium371 claims
  6. Levothyroxine Sodium369 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.

Bills Medicare through 3 group practices

  1. CH Specialty Services SC LLCNorth Charleston, SC
  2. Curana Health OF South Carolina PCSummerville, SC
  3. Deford Rehab Consulting LLCNorth Charleston, SC

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

Catrina Grefe among 402 adult health nurse practitioner records in South Carolina

Catrina Grefe 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 2018, is newer than 74% of them.

  • NPI issued2018 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2018 · median 2015 among the 224 with a school on file
  • Record last updated2023 · 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. Ashley Bass, APRNAiken, SC 298011194097444
  2. Lamesha Farmer, AGPCNPAiken, SC 298011558942052
  3. Sharon Reardon Reeves, MN,BSN,APRNAiken, SC 298011982979084
  4. Jill Balik, APRN-BCRock Hill, SC 297321902208523
  5. Liudmila CassidyRock Hill, SC 297321477268464
  6. Christine Franzese, RNRock Hill, SC 297321528302916
  7. Angela Gould, ARNPRock Hill, SC 297321265802227
  8. Kaymie Poldo, APRNRock Hill, SC 297321053879270

Common questions

What is Catrina Grefe's NPI number?

Catrina Grefe's National Provider Identifier (NPI) is 1083194500, issued on Aug 14, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Catrina Grefe located?

The NPPES record lists a practice address at 3525 Augustus RD, Aiken, SC, 29801. Phone: (803) 642-8376. Providers update this record themselves, so call before visiting.

How can I verify Catrina Grefe's license?

NPPES lists South Carolina license number 26706, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Catrina Grefe prescribe under Medicare Part D?

In 2024, Catrina Grefe had 9,623 Medicare Part D claims for 170 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.

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.