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MARK D. RASMUSSON, M.D., P.A.
NPI 1851417240
Internal Medicine in Corpus Christi, TX

Active since March 21, 2007
3921 W RIVER DR STE 5, CORPUS CHRISTI, TX 78410(361) 387-6587(361) 387-6589 Get Directions Write a Review

NPPES record last updated: January 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark D. Rasmusson, M.d., P.a. NPPES

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

MARK D. RASMUSSON, M.D., P.A. (NPI 1851417240) is a healthcare organization registered as an internal medicine in Corpus Christi, Texas and active in the NPI registry since March 2007. The organization lists Mark Rasmusson, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1851417240
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARK D. RASMUSSON, M.D., P.A.
Location Address3921 W RIVER DR STE 5Corpus Christi, TX 78410-5736
Mailing Address3921 W River Dr Ste 5Corpus Christi, TX 78410-5736 · (361) 387-6587 · Fax (361) 387-6589
Phone(361) 387-6587
Fax(361) 387-6589
Organization SubpartNo
Authorized OfficialMark RasmussonOwner/physician · (361) 387-6587
Enumeration DateMarch 21, 2007
Last NPPES UpdateJanuary 3, 2025
NPPES CertifiedJanuary 3, 2025
✔ NPI 1851417240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · G9517
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.
3921 W RIVER DR STE 5, Corpus Christi, TX 78410
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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)

Mark D. Rasmusson, M.d., P.a. 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 Mark D. Rasmusson, M.D., P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Rasmusson, M.D.
Internal Medicine
NPI 1598881948
3921 W RIVER DR STE 5
Corpus Christi, TX 78410
(361) 387-6587
✔ 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 Mark D. Rasmusson, M.D., P.A.'s NPI number?

The NPI number for Mark D. Rasmusson, M.D., P.A. is 1851417240. It was assigned to this organization in the NPPES registry on March 21, 2007.

Where is Mark D. Rasmusson, M.D., P.A. located?

Mark D. Rasmusson, M.D., P.A. is located at 3921 W River Dr Ste 5, Corpus Christi, TX 78410. The listed phone number is (361) 387-6587.

What is Mark D. Rasmusson, M.D., P.A.'s specialty?

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

Is Mark D. Rasmusson, M.D., P.A. enrolled in Medicare?

Yes. Mark D. Rasmusson, M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mark D. Rasmusson, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mark D. Rasmusson, M.D., P.A.. 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 Mark D. Rasmusson, M.D., P.A. was last updated on January 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.