1. Home
  2. Directory
  3. Michigan
  4. Royal Oak
  5. Internal Medicine
  6. NPI Profile

PHYSICIANS HOME HEALTH PC
NPI 1275708406
Internal Medicine in Royal Oak, MI

Active since April 29, 2008
4045 W 13 MILE RD, ROYAL OAK, MI 48073(248) 288-2160(248) 288-0783 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 16, 2026, Mar 8, 2022, Jun 19, 2018 (3 updates tracked since 2018).

About Physicians Home Health Pc NPPES

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

PHYSICIANS HOME HEALTH PC (NPI 1275708406), doing business as Frederick Karoub Md, is a healthcare organization registered as an internal medicine in Royal Oak, Michigan and active in the NPI registry since April 2008. The organization lists Frederick M Karoub, Owner, as its authorized official.

NPPES Registry Identity

NPI1275708406
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePHYSICIANS HOME HEALTH PC
Location Address4045 W 13 MILE RDRoyal Oak, MI 48073-6640
Mailing Address4045 W 13 Mile Rd Ste ARoyal Oak, MI 48073-6640
Phone(248) 288-2160
Fax(248) 288-0783
Organization SubpartNo
Authorized OfficialFrederick M KaroubOwner · (248) 288-2160
Enumeration DateApril 29, 2008
Last NPPES UpdateApril 16, 20263 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1275708406 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 · 4301059587
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
Open in Google Maps ↗

Other Names 1

Doing Business AsFrederick Karoub Md

Other Identifiers 5

Other01008126MI · Health Plus
Medicaid1275708406MI
Other5177552MI · Aetna
OtherG16552MI · Hap
Other110F352150MI · Bcbs Group

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 Care Network of Michigan, 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)

Physicians Home Health Pc 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 Physicians Home Health PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Frederick Karoub, MD
Internal Medicine
NPI 1679554562
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 Physicians Home Health PC's NPI number?

The NPI number for Physicians Home Health PC is 1275708406. It was assigned to this organization in the NPPES registry on April 29, 2008. The provider is doing business as Frederick Karoub MD.

Where is Physicians Home Health PC located?

Physicians Home Health PC is located at 4045 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 288-2160.

What is Physicians Home Health PC's specialty?

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

Is Physicians Home Health PC enrolled in Medicare?

Yes. Physicians Home Health PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Physicians Home Health PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Physicians Home Health PC. 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 Physicians Home Health PC accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Physicians Home Health PC 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 Physicians Home Health PC was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.