Mary Dahlen, APRN
Nurse Practitioner · Lake Charles, LA
Mary Dahlen, APRN is a nurse practitioner with a practice address in Lake Charles, Louisiana, and NPI 1235358003, issued on Apr 24, 2007. Check the license (Louisiana 081161, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Dahlen
- Credential
- APRN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 081161 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Walters St, Lake Charles, LA 70607
- Phone
- (337) 475-8100
- Enumerated
- Apr 24, 2007
- Record last updated
- Dec 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 1022799 LA
- Medicare enrollment
- Enrolled (PECOS I20070731000377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 934 in Louisiana → Look up another NPI →
Also registered at 1000 Walters St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Benjamin Azevedo, M. D., M. P HInternal Medicine Physician1821434432
- William Caraway, CRNACertified Registered Nurse Anesthetist1154347086
Verify Mary Dahlen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 081161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
35 Medicare Part D claims for 19 beneficiaries, against an average of 1,109 among the 54,319 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
- Calcasieu Urgent Care LLCDeridder, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Dahlen among 934 nurse practitioner records in Louisiana
Mary Dahlen, APRN is one of 934 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 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1996 · median 2017 among the 588 with a school on file
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 nurse practitioner records list a practice address in Lake Charles
They are 44 of the 2,791 NPPES records with a practice address in Lake Charles, and 934 nurse practitioner records in Louisiana.
All 934 in Louisiana → Every provider in Lake Charles → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kristin Harris, FNP-CLake Charles, LA 706071992053383
- Nancy Miller, NP-CLake Charles, LA 706071114331675
- Sami Bourgeois, N.P.Lake Charles, LA 706051972928398
- Mary-Alaina Dewees, APRN, FNPLake Charles, LA 706051730697467
- Anissa Disnuke, MSN, APRN, FNP-CLake Charles, LA 706051730979584
- David Guillory, APRN, FNPLake Charles, LA 706051558313742
- Noel Hinton, CFNPLake Charles, LA 706051053335471
- Kari McCall, NPLake Charles, LA 706051891106084
Common questions
What is Mary Dahlen, APRN's NPI number?
Mary Dahlen, APRN's National Provider Identifier (NPI) is 1235358003, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Dahlen, APRN located?
The NPPES record lists a practice address at 1000 Walters St, Lake Charles, LA, 70607. Phone: (337) 475-8100. Providers update this record themselves, so call before visiting.
How can I verify Mary Dahlen, APRN's license?
NPPES lists Louisiana license number 081161, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Dahlen, APRN prescribe under Medicare Part D?
In 2024, Mary Dahlen, APRN had 35 Medicare Part D claims for 19 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.