Marissa Mitter
Physician Assistant · Lexington, SC
Marissa Mitter is a physician assistant with a practice address in Lexington, South Carolina, and NPI 1124731419, issued on Jan 2, 2023. Check the license (South Carolina MPA.4708, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Mitter
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MPA.4708 SC
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 487, Lexington, SC 29071
- Phone
- (803) 699-9073
- Enumerated
- Jan 2, 2023
- Record last updated
- Jul 21, 2025
- Fax
- (866) 527-0937
- Medicare enrollment
- Enrolled (PECOS I20230322003129); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,294 in South Carolina → Look up another NPI →
Also registered at PO Box 487
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Cusano, M.D.Internal Medicine Physician1740257831
- Keith Guest, M.D.Geriatric Medicine (Internal Medicine) Physician1285630020
- David Miller, G.N.P.Gerontology Nurse Practitioner1205832995
Verify Marissa Mitter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license MPA.4708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
81 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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 one group practice
- Senior Health Associates, PABeaufort, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Mitter among 2,294 physician assistant records in South Carolina
Marissa Mitter is one of 2,294 physician assistant records with a practice address in South Carolina. 81% 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 76% of them.
- NPI issued2023 · 76% of these records are older, 17% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2023 · median 2019 among the 1,516 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 physician assistant records list a practice address in Lexington
They are 26 of the 1,926 NPPES records with a practice address in Lexington, and 2,294 physician assistant records in South Carolina.
All 2,294 in South Carolina → Every provider in Lexington → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Randy BellLexington, SC 290721851464200
- Misti Booher, PALexington, SC 290721992572556
- Maya BougebrayelLexington, SC 290721144073081
- Chelsea BuchananLexington, SC 290721538702931
- Brittany Chestnut, PA-CLexington, SC 290721548606007
- Grant ConnellLexington, SC 290721760245013
- Tracey Epp, PALexington, SC 290721346277092
- Anne Harper, PA-CLexington, SC 290721922510296
Common questions
What is Marissa Mitter's NPI number?
Marissa Mitter's National Provider Identifier (NPI) is 1124731419, issued on Jan 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Mitter located?
The NPPES record lists a practice address at PO Box 487, Lexington, SC, 29071. Phone: (803) 699-9073. Providers update this record themselves, so call before visiting.
How can I verify Marissa Mitter's license?
NPPES lists South Carolina license number MPA.4708, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Mitter prescribe under Medicare Part D?
In 2024, Marissa Mitter had 81 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.