What is Ralph Wertwijn's NPI number?

Ralph Wertwijn's National Provider Identifier (NPI) is 1538129283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ralph Wertwijn's specialty?

Ralph Wertwijn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ralph Wertwijn located?

Ralph Wertwijn's practice location on file with NPPES is 2023 Linn Dr, Owatonna, MN 55060-4212.

What is Ralph Wertwijn's phone number?

The practice phone number listed in the NPPES registry for Ralph Wertwijn is (507) 455-0067.

Is Ralph Wertwijn's NPI active?

Yes — Ralph Wertwijn's NPI (1538129283) is active in the NPPES registry as of the last update on 2010-09-22.

IndividualActive

Ralph Wertwijn, MD

NPI 1538129283 · Internal Medicine Physician · Owatonna, MN

Ralph Wertwijn, MD is a Internal Medicine Physician provider in Owatonna, MN (NPI 1538129283).

Provider details

NPI number: 1538129283
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 30544 (MN)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 30544 (MN)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% 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

2023 Linn Dr

Owatonna, MN 55060-4212

Phone: (507) 455-0067

Street-level locationGet directions

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Mailing address