Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MARVELDO LLC
NPI 1710808886
Clinical Medical Laboratory in Watertown, SD

Active since July 23, 2026
25 1ST AVE SW STE A, WATERTOWN, SD 57201(406) 309-6462 Get Directions Write a Review

NPPES record added: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Marveldo Llc NPPES

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

MARVELDO LLC (NPI 1710808886) is a healthcare organization registered as a clinical medical laboratory in Watertown, South Dakota and active in the NPI registry since July 2026. The organization lists David Leonard, Owner, as its authorized official.

NPPES Registry Identity

NPI1710808886
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameMARVELDO LLC
Location Address25 1ST AVE SW STE AWatertown, SD 57201-3507
Mailing Address25 1st Ave Sw Ste AWatertown, SD 57201-3507 · (406) 309-6462
Organization SubpartNo
Authorized OfficialDavid LeonardOwner · (406) 309-6462
Enumeration DateJuly 23, 2026
NPPES CertifiedJuly 23, 2026
NPI 1710808886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition

(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

25 1ST AVE SW STE A, Watertown, SD 57201

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.

Home Health Aide
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Nurse Practitioner (Psychiatric/Mental Health)
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Behavior Analyst
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Clinic/Center (Multi-Specialty)
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Durable Medical Equipment & Medical Supplies
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Durable Medical Equipment & Medical Supplies
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Durable Medical Equipment & Medical Supplies
25 1ST AVE SW STE A
WATERTOWN, SD 57201
Durable Medical Equipment & Medical Supplies
25 1ST AVE SW STE A
WATERTOWN, SD 57201

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 Marveldo LLC's NPI number?

The NPI number for Marveldo LLC is 1710808886. It was assigned to this organization in the NPPES registry on July 23, 2026.

Where is Marveldo LLC located?

Marveldo LLC is located at 25 1st Ave SW Ste A, Watertown, SD 57201. The listed phone number is (406) 309-6462.

What is Marveldo LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Marveldo LLC was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.