NPPES file of Aug 9, 2026

Marissa Pettit

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Sumter, SC

Marissa Pettit is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Sumter, South Carolina, and NPI 1689354524, issued on Jul 24, 2023. Check the license (South Carolina 44001, 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
1689354524
Name
Marissa Pettit
Primary taxonomy
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
License number
44001 SC
Self-reported in NPPES; status is on the state search
Practice location
1278 N Lafayette Dr, Sumter, SC 29150
Phone
(803) 774-4500
Enumerated
Jul 24, 2023
Record last updated
Jul 24, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1278 N Lafayette Dr

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

  1. Claire Banks, MPH, BSN, RN, CDCESDiabetes Educator Registered Nurse1265718456
  2. Kristy Bass, ARNPFamily Nurse Practitioner1184905283
  3. Russell Brant, MDInternal Medicine Physician1508859927
  4. Jazmine Brown, APRNPsychiatric/Mental Health Nurse Practitioner1871353391
  5. Zachary Buckner, BSN-RNDiabetes Educator Registered Nurse1467936336
  6. Mary Byrd, RNDiabetes Educator Registered Nurse1659758852

Verify Marissa Pettit 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 44001
    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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92% fewer Medicare Part D claims than the average pharmacist clinician (phc)/ clinical pharmacy specialist in 2024

21 Medicare Part D claims for 20 beneficiaries, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D. Brand-name drugs were 90% of claims.

  1. Marissa Pettit21
  2. Specialty average253

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.

Marissa Pettit among 193 pharmacist clinician (phc)/ clinical pharmacy specialist records in South Carolina

Marissa Pettit is one of 193 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in South Carolina. 26% 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 85% of them.

  • NPI issued2023 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in South Carolina

There are 193 pharmacist clinician (phc)/ clinical pharmacy specialist records in South Carolina.

The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes

  1. Bethany Pearson, PHARMDFlorence, SC 291501780551648
  2. Ana Chavis, PHARMDShaw Afb, SC 291521083123020
  3. Rhiannon Leutner, PHARMDShaw Afb, SC 291521316179609
  4. Collins Odukogbe, PHARMDShaw Afb, SC 291521295015584
  5. Anne LloydWest Columbia, SC 291691760146443
  6. Anna Norris, PHARMDWest Columbia, SC 291691679259162
  7. Katharine Strickland, PHARMDWest Columbia, SC 291691285468421
  8. April Reed, PHARMDWest Columbia, SC 291721891044822

Common questions

What is Marissa Pettit's NPI number?

Marissa Pettit's National Provider Identifier (NPI) is 1689354524, issued on Jul 24, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Pettit located?

The NPPES record lists a practice address at 1278 N Lafayette Dr, Sumter, SC, 29150. Phone: (803) 774-4500. Providers update this record themselves, so call before visiting.

How can I verify Marissa Pettit's license?

NPPES lists South Carolina license number 44001, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa Pettit prescribe under Medicare Part D?

In 2024, Marissa Pettit had 21 Medicare Part D claims for 20 beneficiaries; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.