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CARL KAROUB M.D.
NPI 1497915680
Internal Medicine in Royal Oak, MI

Active since June 11, 2008
4045 W 13 MILE RD, SUITE A, ROYAL OAK, MI 48073(248) 288-2160(248) 288-0783 Get Directions Write a Review

NPPES record last updated: January 18, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 18, 2023, Aug 22, 2019 (2 updates tracked since 2019).

About Carl Karoub M.d. NPPES

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

CARL KAROUB M.D. (NPI 1497915680) is a healthcare organization registered as an internal medicine in Royal Oak, Michigan and active in the NPI registry since June 2008. The organization lists Carl M Karoub, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1497915680
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCARL M. KAROUB, M.D., P.C.
Location Address4045 W 13 MILE RD, SUITE ARoyal Oak, MI 48073-6640
Mailing Address4045 W 13 Mile Rd, Suite ARoyal Oak, MI 48073-6640 · (248) 288-2160 · Fax (248) 288-0783
Phone(248) 288-2160
Fax(248) 288-0783
Organization SubpartNo
Authorized OfficialCarl M KaroubOwner/physician · (248) 288-2160
Enumeration DateJune 11, 2008
Last NPPES UpdateJanuary 18, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 18, 2023
✔ NPI 1497915680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301042923
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.
4045 W 13 MILE RD, Royal Oak, MI 48073
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Other Names 1

Other NameCarl Karoub M.d.

Other Identifiers 3

Other4300210MI · Aetna
OtherDP3243MI · Railroad Medicare
OtherA76139MI · Hap

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Michigan Mutual Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carl Karoub 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 Carl Karoub M.D., which bills Medicare for the services this clinician delivers.

Clinician (1)

Carl Karoub, MD
Internal Medicine
NPI 1063494706
4045 W 13 MILE RD SUITE A
Royal Oak, MI 48073
(248) 288-2160
✔ 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 Carl M. Karoub, M.D., P.C.'s NPI number?

The NPI number for Carl M. Karoub, M.D., P.C. is 1497915680. It was assigned to this organization in the NPPES registry on June 11, 2008. The provider is also known as Carl Karoub M.D..

Where is Carl M. Karoub, M.D., P.C. located?

Carl M. Karoub, M.D., P.C. is located at 4045 W 13 Mile Rd Suite A, Royal Oak, MI 48073. The listed phone number is (248) 288-2160.

What is Carl M. Karoub, M.D., P.C.'s specialty?

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

Is Carl M. Karoub, M.D., P.C. enrolled in Medicare?

Yes. Carl M. Karoub, M.D., P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Carl M. Karoub, M.D., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Carl M. Karoub, M.D., P.C.. 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.

What insurance does Carl M. Karoub, M.D., P.C. accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Carl M. Karoub, M.D., P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Carl M. Karoub, M.D., P.C. was last updated on January 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.