Karen B. Wallen, NP
Adult Health Nurse Practitioner · Baton Rouge, LA
Karen B. Wallen, NP is an adult health nurse practitioner with a practice address in Baton Rouge, Louisiana, and NPI 1912259763, issued on Oct 3, 2012. Check the license with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen B. Wallen
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 809305 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2900 Westfork Dr Ste 401, Baton Rouge, LA 70827
- Phone
- (844) 403-4325
- Enumerated
- Oct 3, 2012
- Record last updated
- Jun 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20220622001330); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 247 in Louisiana → Look up another NPI →
Also registered at 2900 Westfork Dr Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Ables, NPFamily Nurse Practitioner1649919986
- Amber Ackermann, MS, LPCCounselor1467997908
- Brittany Allen-Emery, M.A., LPCProfessional Counselor1073174785
- Ashley Clark, APRN, NP-C, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1548497084
- Eurica GastonPsychiatric/Mental Health Nurse Practitioner1497802946
- Diamond George, NPFamily Nurse Practitioner1780358754
Verify Karen B. Wallen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
1,019 Medicare Part D claims for 92 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate53 claims
- Atorvastatin Calcium46 claims
- Lisinopril45 claims
- Levothyroxine Sodium34 claims
- Gabapentin32 claims
- Carvedilol27 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 one group practice
- Audubon Palliative Care Services IncBaton Rouge, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen B. Wallen among 247 adult health nurse practitioner records in Louisiana
Karen B. Wallen, NP is one of 247 adult health nurse practitioner records with a practice address in Louisiana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 23% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2009 among the 140 with a school on file
- Record last updated2022 · 67% 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 Louisiana 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 Louisiana
There are 247 adult health nurse practitioner records in Louisiana.
All 247 in Louisiana → Every provider in Baton Rouge → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Ashley Carrier, NPBaton Rouge, LA 708271073825311
- Colette Blanchard, ANP-C, MSNBaton Rouge, LA 708171104814961
- Rebecca Hunt, APRN, ANP-CBaton Rouge, LA 708171598038267
- Bryan Taylor, ANPBaton Rouge, LA 708171376772459
- Barbara White, CNPBaton Rouge, LA 708171194891432
- Summer Zettlemoyer, NP-CBaton Rouge, LA 708171821375395
- Ebunoluwa Adesokan, NPBaton Rouge, LA 708161780394965
- Wendy Singleton, NPBaton Rouge, LA 708151639409402
Common questions
What is Karen B. Wallen, NP's NPI number?
Karen B. Wallen, NP's National Provider Identifier (NPI) is 1912259763, issued on Oct 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karen B. Wallen, NP located?
The NPPES record lists a practice address at 2900 Westfork Dr Ste 401, Baton Rouge, LA, 70827. Phone: (844) 403-4325. Providers update this record themselves, so call before visiting.
How can I verify Karen B. Wallen, NP's license?
Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Karen B. Wallen, NP prescribe under Medicare Part D?
In 2024, Karen B. Wallen, NP had 1,019 Medicare Part D claims for 92 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.