What is Mary Ludwig's NPI number?

Mary Ludwig's National Provider Identifier (NPI) is 1225700404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Ludwig's specialty?

Mary Ludwig is listed in the NPPES registry with a primary specialty of Nursing Care Agency (Agencies).

Where is Mary Ludwig located?

Mary Ludwig's practice location on file with NPPES is 618 3rd St, Ipswich, SD 57451-2115.

What is Mary Ludwig's phone number?

The practice phone number listed in the NPPES registry for Mary Ludwig is (160) 571-5787.

Is Mary Ludwig's NPI active?

Yes — Mary Ludwig's NPI (1225700404) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Mary Ludwig

NPI 1225700404 · Nursing Care Agency · Ipswich, SD

Mary Ludwig is a Nursing Care Agency provider in Ipswich, SD (NPI 1225700404).

Provider details

NPI number: 1225700404
Entity type: Individual
Primary specialty: Nursing Care AgencyAgencies
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Nursing Care AgencyPrimary251J00000X
Agencies

Profile Score

Established profile(55/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
4 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Practice location

618 3rd St

Ipswich, SD 57451-2115

Phone: (160) 571-5787

Street-level locationGet directions

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Mailing address