Katrina Raye Flagg, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Westminster, SC
Katrina Raye Flagg, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Westminster, South Carolina, and NPI 1104600170, issued on Aug 22, 2023. Check the license (South Carolina 27781, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katrina Raye Flagg
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 27781 SC
Self-reported in NPPES; status is on the state search - Practice location
- 108 E Main St, Westminster, SC 29693
- Phone
- (864) 784-1950
- Enumerated
- Aug 22, 2023
- Record last updated
- Aug 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20240201004411); may accept Medicare assignment
- Medical or professional school
- University Of North Dakota School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 540 in South Carolina → Look up another NPI →
Verify Katrina Raye Flagg 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 27781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
39 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Katrina Raye Flagg among 540 psychiatric/mental health nurse practitioner records in South Carolina
Katrina Raye Flagg, PMHNP is one of 540 psychiatric/mental health nurse practitioner records with a practice address in South Carolina. 69% 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 63% of them.
- NPI issued2023 · 63% of these records are older, 30% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2023 · median 2021 among the 322 with a school on file
- Record last updated2023 · 19% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatric/mental health nurse practitioner record lists a practice address in Westminster
They are 1 of the 60 NPPES records with a practice address in Westminster, and 540 psychiatric/mental health nurse practitioner records in South Carolina.
All 540 in South Carolina → Every provider in Westminster → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Sherry Lindsay, N.P.Travelers Rest, SC 296901013164144
- Matthew StemannTravelers Rest, SC 296901053113407
- Patricia Banke, DNP-PMHNPSimpsonville, SC 296811144851742
- Christina Blake, NPSimpsonville, SC 296811245765841
- Amanda BlantonSimpsonville, SC 296811821855107
- Gertrude Boxall, N.P.Simpsonville, SC 296811174661698
- Jennifer CooperSimpsonville, SC 296811093686545
- Elizabeth MaierSimpsonville, SC 296811316879109
Common questions
What is Katrina Raye Flagg, PMHNP's NPI number?
Katrina Raye Flagg, PMHNP's National Provider Identifier (NPI) is 1104600170, issued on Aug 22, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Raye Flagg, PMHNP located?
The NPPES record lists a practice address at 108 E Main St, Westminster, SC, 29693. Phone: (864) 784-1950. Providers update this record themselves, so call before visiting.
How can I verify Katrina Raye Flagg, PMHNP's license?
NPPES lists South Carolina license number 27781, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Katrina Raye Flagg, PMHNP prescribe under Medicare Part D?
In 2024, Katrina Raye Flagg, PMHNP had 39 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.