DR. JOHN OAK (MD) – Cardiovascular Disease Physician, NPI 1124026646

DR. JOHN OAK (MD) is a healthcare provider. based in Evansville, Indiana. specializing in Cardiovascular Disease Physician. They hold the professional credentials MD. They hold a License No. 01027388A (IN). The NPI Number for DR. JOHN OAK (MD) is 1124026646

Main info

Male
Name
DR. JOHN OAK (MD)
NPI
1124026646
Phone
(812) 473-2642
Address
1400 PROFESSIONAL BLVD
Enumeration Date
8 July 2005
Last Update Date
8 July 2007
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

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Provider Addresses for DR. JOHN OAK (MD)

  • 1400, Professional Boulevard, Evansville, Vanderburgh County, Indiana, 47714, United States

    EVANSVILLE, IN 477148005

    Phone: (812) 473-2642

    Fax: (812) 474-4458

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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.

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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 47714)

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Frequently asked questions

What is the 10-digit NPI for DR. JOHN OAK (MD)?
DR. JOHN OAK (MD) — NPI 1124026646 — is the standard way to identify this listing.
Does CMS list DR. JOHN OAK (MD) as active?
Yes — DR. JOHN OAK (MD) is active in the NPI listing used on this page.
What is DR. JOHN OAK (MD)'s specialty?
The listing groups DR. JOHN OAK (MD) with Cardiovascular Disease Physician. Clinical services aligned with this taxonomy classification.
Where is DR. JOHN OAK (MD) based?
DR. JOHN OAK (MD) is tied to Evansville, Indiana in the data we show; additional addresses may exist on the full record.
Why does DR. JOHN OAK (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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