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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JEFFREY JACOB OSWALD II RN
NPI 1629985544
Registered Nurse - Addiction (Substance Use Disorder) in Lake Charles, LA

Active since August 26, 2026
4105 KIRKMAN ST, LAKE CHARLES, LA 70607(337) 475-3100(337) 475-3105 Get Directions Write a Review

NPPES record added: August 26, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Jeffrey Jacob Oswald Ii Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY JACOB OSWALD II RN (NPI 1629985544) is an individual addiction (substance use disorder) provider in Lake Charles, Louisiana, licensed in Louisiana (233073) and active in the NPI registry since August 2026. He maintains a secondary practice location in Sulphur.

NPPES Registry Identity

NPI1629985544
Entity TypeIndividualMale
Primary Taxonomy163WA0400X
Provider Legal NameJEFFREY JACOB OSWALD IICredential: RN
Location Address4105 KIRKMAN STLake Charles, LA 70607-4603
Mailing Address4105 Kirkman StLake Charles, LA 70607-4603 · (337) 475-3100 · Fax (337) 475-3105
Phone(337) 475-3100
Fax(337) 475-3105
Sole ProprietorNo
Enumeration DateAugust 26, 2026
NPPES CertifiedAugust 26, 2026
✔ NPI 1629985544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered Nurse · Addiction (Substance Use Disorder)Nursing Service Providers
Taxonomy Code163WA0400X
License✔ Licensed in LA · 233073
Also ListedRegistered NurseTaxonomy 163W00000X · License 233073 (LA)
4105 KIRKMAN ST, Lake Charles, LA 70607
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Secondary Practice Location 1

Location 12651 E Napoleon StSulphur, LA 70663-3707 · Phone (337) 625-6750 · Fax (337) 625-6752

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEANNA TURNER CAC
Counselor (Addiction (Substance Use Disorder))
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
TANYA JANUARY RN
Registered Nurse
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
C. ELISKA WAGNON
Counselor (Mental Health)
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
MRS. AMY ROSE FELICE RAC
Counselor (Addiction (Substance Use Disorder))
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
CAROLYN ANN DAVIS LPC, NCC, CCDP-D
Counselor (Professional)
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
DIANE GAIL FRUGE RAC
Counselor (Addiction (Substance Use Disorder))
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-2088
MR. JEROME HOLLAND G.S.W.
Social Worker (Clinical)
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8022
MR. MARK SHANE ANDERSON RAC, CCDP, CCGC
Counselor (Addiction (Substance Use Disorder))
4105 KIRKMAN ST
LAKE CHARLES, LA 70607
Calcasieu Parish (337) 475-8738

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeffrey Oswald's NPI number?

The NPI number for Jeffrey Oswald is 1629985544. It was assigned to this individual provider in the NPPES registry on August 26, 2026.

Where is Jeffrey Oswald located?

Jeffrey Oswald practices at 4105 Kirkman St, Lake Charles, LA 70607. The listed phone number is (337) 475-3100.

What is Jeffrey Oswald's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Addiction (Substance Use Disorder), with taxonomy code 163WA0400X.

When was this NPI record last updated?

The NPPES record for Jeffrey Oswald was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.