Carl Karoub, MD
NPI 1063494706 · Internal Medicine Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carl Karoub, MD is a Internal Medicine Physician provider in Royal Oak, MI (NPI 1063494706).
Provider details
- NPI number
- 1063494706
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301042923 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,275 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,327 | $123 |
| Advance Care Planning, First 30 Minutes99497 | 126 | $79 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 106 | $18 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 104 | $18 |
| Complete Ultrasound Scan of Abdomen76700 | 85 | $109 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 85 | $102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 373 | 94 |
| Levothyroxine Sodium | 284 | 72 |
| Alprazolam | 249 | 58 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 198 | 25 |
| Apixabanbrand: Eliquis | 181 | 34 |
| Amlodipine Besylate | 170 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$39 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-17
- Last updated
- 2019-08-22
Frequently asked questions
- What is Carl Karoub's NPI number?
- Carl Karoub's National Provider Identifier (NPI) is 1063494706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Karoub's specialty?
- Carl Karoub is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Karoub located?
- Carl Karoub's practice location on file with NPPES is 4045 W 13 Mile Rd, Royal Oak, MI 48073-6640.
- What is Carl Karoub's phone number?
- The practice phone number listed in the NPPES registry for Carl Karoub is (248) 288-2160.
- Does Carl Karoub accept Medicare?
- Carl Karoub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carl Karoub's NPI active?
- Yes — Carl Karoub's NPI (1063494706) is active in the NPPES registry as of the last update on 2019-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.