Doctor profile · Federal record

Dr. Mary Dahlen, APRN

Nurse Practitioner · Lake Charles, LA

  • NPI 1235358003
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Walters St
Lake Charles, LA 706074647
(337) 475-8100
Mailing address
501 Dr Michael Debakey Dr
Lake Charles, LA 706015724

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
December 27, 2016
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Louisiana #081161
Medicaid
LA #1022799

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235358003. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
231
Distinct HCPCS
6
Medicare allowed
$10,919
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 111 12 $0
99284 Emergency department visit with moderate level of medical decision making 62 59 $101
99285 Emergency department visit with high level of medical decision making 21 21 $144
96372 Injection of drug or substance under skin or into muscle 14 13 $11
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $70
99283 Emergency department visit with low level of medical decision making 11 11 $60

In context: peer comparison

Among 13 peers in Lake Charles Nurse Practitioner, average services per provider: 112. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
307
Patients
175
Total drug cost
$2,822
Drug Type Claims Patients Total cost
Prednisone Generic 31 31 $77
Ondansetron Odt (Ondansetron) Brand 29 26 $270
Omeprazole Generic 28 0 $394
Levofloxacin Generic 26 21 $129
Potassium Chloride Generic 23 0 $388
Clindamycin Hcl Generic 20 20 $159
Fluticasone Propionate Generic 19 15 $381
Levothyroxine Sodium Generic 18 0 $283
Atorvastatin Calcium Generic 17 0 $217
Ciprofloxacin Hcl Generic 17 16 $165

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Dahlen's medical specialty?
Dr. Mary Dahlen practices Nurse Practitioner in Lake Charles, LA.
Where does Dr. Mary Dahlen practice?
Dr. Mary Dahlen practices at 1000 Walters St, Lake Charles, LA 706074647. Office phone: 3374758100.
What is Dr. Mary Dahlen's NPI?
Dr. Mary Dahlen's National Provider Identifier (NPI) is 1235358003, issued by NPPES.
What procedures does Dr. Mary Dahlen commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.