RALPH D WERTWIJN (MD) – Internal Medicine Physician, NPI 1538129283

Internal Medicine Physician

RALPH D WERTWIJN (MD) is a healthcare provider. based in Owatonna, Minnesota. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. 30544 (MN). The NPI Number for RALPH D WERTWIJN (MD) is 1538129283

Main info

Male

Name

RALPH D WERTWIJN (MD)

NPI

1538129283

Phone

(507) 455-0067

Address

2023 LINN DR

Enumeration Date

26 March 2006

Last Update Date

22 September 2010

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for RALPH D WERTWIJN (MD)

2023, Linn Drive, Owatonna, Steele County, Minnesota, 55060, United States
OWATONNA, MN 550604212
Phone: (507) 455-0067
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 55060)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does RALPH D WERTWIJN (MD) share an NPI with anyone else?

NPI numbers are unique to each provider or organization — RALPH D WERTWIJN (MD) uses 1538129283.

Can I rely on RALPH D WERTWIJN (MD) being an active provider?

As of the registry snapshot, RALPH D WERTWIJN (MD) is marked active.

What is RALPH D WERTWIJN (MD) best known for clinically?

Directory data describes RALPH D WERTWIJN (MD) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.

What address line appears for RALPH D WERTWIJN (MD)?

RALPH D WERTWIJN (MD)'s geographic hint is Owatonna, Minnesota in our summary view.

What does 'Individual Provider' mean on this profile?

Entity type tells you whether the number belongs to a person or an organization.