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MARVIN WELLEN, M.D.
NPI 1649456583
Internal Medicine in Aventura, FL

Active since January 10, 2008
17971 BISCAYNE BLVD, SUITE 208, AVENTURA, FL 33160(305) 931-0555 Get Directions Write a Review

NPPES record last updated: November 13, 2009. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marvin Wellen, M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARVIN WELLEN, M.D. (NPI 1649456583) is a healthcare organization registered as an internal medicine in Aventura, Florida and active in the NPI registry since January 2008. The organization lists Marvin Wellen, Managing Physician, as its authorized official.

NPPES Registry Identity

NPI1649456583
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARVIN WELLEN, M.D.
Location Address17971 BISCAYNE BLVD, SUITE 208Aventura, FL 33160-2578
Mailing Address17971 Biscayne Blvd, Suite 208Aventura, FL 33160-2578 · (305) 931-0555
Phone(305) 931-0555
Organization SubpartNo
Authorized OfficialMarvin WellenManaging Physician · (305) 931-0555
Enumeration DateJanuary 10, 2008
Last NPPES UpdateNovember 13, 2009
✔ NPI 1649456583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME35679
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
17971 BISCAYNE BLVD, Aventura, FL 33160
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Other Identifiers 2

Medicare PIN95352FL
Medicare UPIND63426FL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marvin Wellen, M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Marvin Wellen, M.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

Marvin Wellen, MD
Internal Medicine
NPI 1518981075
17971 BISCAYNE BLVD SUITE 208
Aventura, FL 33160
(305) 931-0555
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marvin Wellen, M.D.'s NPI number?

The NPI number for Marvin Wellen, M.D. is 1649456583. It was assigned to this organization in the NPPES registry on January 10, 2008.

Where is Marvin Wellen, M.D. located?

Marvin Wellen, M.D. is located at 17971 Biscayne Blvd Suite 208, Aventura, FL 33160. The listed phone number is (305) 931-0555.

What is Marvin Wellen, M.D.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marvin Wellen, M.D. enrolled in Medicare?

Yes. Marvin Wellen, M.D. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marvin Wellen, M.D.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Marvin Wellen, M.D.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Marvin Wellen, M.D. was last updated on November 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.