Ellen Marie Walker, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Camden, SC
Ellen Marie Walker, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Camden, South Carolina, and NPI 1982313516, issued on Nov 22, 2022. Check the license (South Carolina 28132, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ellen Marie Walker
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 28132 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1315 Roberts St, Camden, SC 29020
- Phone
- (803) 713-6291
- Enumerated
- Nov 22, 2022
- Record last updated
- May 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20240409000750); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2023
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 540 in South Carolina → Look up another NPI →
Also registered at 1315 Roberts St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Armstrong, MDGynecology Physician1073500740
- Alice Brooks, MDFamily Medicine Physician1275573420
- Raven CarrawaySocial Worker1891614038
- Jessica Davis Atkinson, APRNPsychiatric/Mental Health Nurse Practitioner1598232332
- Robert Dawkins, M.D.Family Medicine Physician1619955846
- Gary Dove, MDAnesthesiology Physician1598798530
Verify Ellen Marie Walker 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 28132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
41 Medicare Part D claims, against an average of 906 among the 30,717 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
- Charleston Counseling Center PCColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellen Marie Walker among 540 psychiatric/mental health nurse practitioner records in South Carolina
Ellen Marie Walker, 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 2022, is newer than 56% of them.
- NPI issued2022 · 56% of these records are older, 37% 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 updated2025 · 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).
7 psychiatric/mental health nurse practitioner records list a practice address in Camden
They are 7 of the 370 NPPES records with a practice address in Camden, and 540 psychiatric/mental health nurse practitioner records in South Carolina.
All 540 in South Carolina → Every provider in Camden → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Shantise ByrdCamden, SC 290201871172254
- Jessica Davis Atkinson, APRNCamden, SC 290201598232332
- Amanda GuerraCamden, SC 290201851102545
- Lauretta Mona, ARNPCamden, SC 290201346343514
- Latasha Robinson, APRN, PMHNP-BCCamden, SC 290201689498768
- Ursula Townsend, PMHNP-BCCamden, SC 290201245928001
- Megan OtasowieBlythewood, SC 290161578431011
- Maihan Aurah, ARNPCayce, SC 290331942901517
Common questions
What is Ellen Marie Walker, PMHNP's NPI number?
Ellen Marie Walker, PMHNP's National Provider Identifier (NPI) is 1982313516, issued on Nov 22, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Marie Walker, PMHNP located?
The NPPES record lists a practice address at 1315 Roberts St, Camden, SC, 29020. Phone: (803) 713-6291. Providers update this record themselves, so call before visiting.
How can I verify Ellen Marie Walker, PMHNP's license?
NPPES lists South Carolina license number 28132, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Ellen Marie Walker, PMHNP prescribe under Medicare Part D?
In 2024, Ellen Marie Walker, PMHNP had 41 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.