What is William Tjeerdsma's NPI number?

William Tjeerdsma's National Provider Identifier (NPI) is 1306604962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Tjeerdsma's specialty?

William Tjeerdsma is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is William Tjeerdsma located?

William Tjeerdsma's practice location on file with NPPES is 625 Court St, Sioux City, IA 51101-1919.

What is William Tjeerdsma's phone number?

The practice phone number listed in the NPPES registry for William Tjeerdsma is (712) 252-3871.

Is William Tjeerdsma's NPI active?

Yes — William Tjeerdsma's NPI (1306604962) is active in the NPPES registry as of the last update on 2024-03-08.

IndividualActive

William Tjeerdsma

NPI 1306604962 · Social Worker · Sioux City, IA

William Tjeerdsma is a Social Worker provider in Sioux City, IA (NPI 1306604962).

Provider details

NPI number: 1306604962
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(50/100 index)

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

Registry tenure38% of score
2 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

625 Court St

Sioux City, IA 51101-1919

Phone: (712) 252-3871

Fax: (877) 728-4419

Street-level locationGet directions

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Mailing address