Karen Wallen, NP
NPI 1912259763 · Adult Health Nurse Practitioner · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Wallen, NP is a Adult Health Nurse Practitioner provider in Baton Rouge, LA (NPI 1912259763).
Provider details
- NPI number
- 1912259763
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 809305 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 53 | 17 |
| Atorvastatin Calcium | 46 | 14 |
| Lisinopril | 45 | 15 |
| Levothyroxine Sodium | 34 | — |
| Gabapentin | 32 | 15 |
| Carvedilol | 27 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Additional practice locations (2)
- 7800 Shoal Creek Blvd Ste 130wAustin, TX 78757-1040Phone: (502) 407-8880
- 2222 Rosewood AveAustin, TX 78702-2206Phone: (512) 465-4840Fax: (512) 441-1093
Registry dates
- Enumerated
- 2012-10-03
- Last updated
- 2022-06-07
- Certified
- 2022-06-07
Frequently asked questions
- What is Karen Wallen's NPI number?
- Karen Wallen's National Provider Identifier (NPI) is 1912259763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Wallen's specialty?
- Karen Wallen is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Wallen located?
- Karen Wallen's practice location on file with NPPES is 2900 Westfork Dr Ste 401, Baton Rouge, LA 70827-0004.
- What is Karen Wallen's phone number?
- The practice phone number listed in the NPPES registry for Karen Wallen is (844) 403-4325.
- Does Karen Wallen accept Medicare?
- Karen Wallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Wallen's NPI active?
- Yes — Karen Wallen's NPI (1912259763) is active in the NPPES registry as of the last update on 2022-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.