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CARLOS XAVIER RABASCALL AYOUB M.D.
NPI 1336590447
Internal Medicine - Critical Care Medicine in Raleigh, NC

Active since June 29, 2016PECOS EnrolledAccepts Medicare Assignment
91.89/100
CMS Quality Rating
3400 WAKE FOREST RD STE 414, RALEIGH, NC 27609(919) 862-5520(919) 862-5521 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Carlos Xavier Rabascall Ayoub M.d. NPPES

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

CARLOS XAVIER RABASCALL AYOUB M.D. (NPI 1336590447) is an individual critical care medicine provider in Raleigh, North Carolina, licensed in Kansas (04-45498) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1336590447
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameCARLOS XAVIER RABASCALL AYOUBCredential: M.D.
Location Address3400 WAKE FOREST RD STE 414Raleigh, NC 27609-7317
Mailing Address1808 Capstone DrDurham, NC 27713-7296
Phone(919) 862-5520
Fax(919) 862-5521
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 29, 2016
Last NPPES UpdateFebruary 19, 2026
NPPES CertifiedFebruary 19, 2026
✔ NPI 1336590447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in KS · 04-45498
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License 04-45498 (KS), 125.068403 (IL)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 04-45498 (KS)
3400 WAKE FOREST RD STE 414, Raleigh, NC 27609
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Carlos Xavier Rabascall Ayoub M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446543805
PECOS Enrollment IDI20220614000218, I20251220000565
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Carlos Rabascall Ayoub reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Duke University Health System, Inc.
Same address
Internal Medicine
3400 WAKE FOREST RD
Raleigh, NC 27609
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,482 clinicians in this Medicare group
NPI 1477584894 (919) 954-3271
Duke Health Integrated Practice, Inc
0.1 mi
Gastroenterology
3480 WAKE FOREST RD STE 500
Raleigh, NC 27609
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,671 clinicians in this Medicare group
NPI 1780374884 (919) 862-5075
Kansas University Physicians Inc
906 mi
Internal Medicine
4000 CAMBRIDGE ST
Kansas City, KS 66160
  • Reassigned Medicare billing, Kansas enrollment
  • 2,139 clinicians in this Medicare group
NPI 1003858333 (913) 588-2527

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
46 services44 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
30 services12 patients
Emergent insertion of breathing tube into windpipe using an endoscope 31500
This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.
18 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Kansas Hospital

Acute Care Hospitals · Kansas City, KS
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number170040
Location4000 Cambridge StreetKansas City, KS 66160 · Wyandotte County
Emergency services Birthing friendly

Duke University Hospital

Acute Care Hospitals · Durham, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.17
Promoting Interoperability100
Improvement Activities40

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 Carlos Rabascall Ayoub's NPI number?

The NPI number for Carlos Rabascall Ayoub is 1336590447. It was assigned to this individual provider in the NPPES registry on June 29, 2016.

Where is Carlos Rabascall Ayoub located?

Carlos Rabascall Ayoub practices at 3400 Wake Forest Rd Ste 414, Raleigh, NC 27609. The listed phone number is (919) 862-5520.

What is Carlos Rabascall Ayoub's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Carlos Rabascall Ayoub enrolled in Medicare?

Yes. Carlos Rabascall Ayoub is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Carlos Rabascall Ayoub's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Rabascall Ayoub reassigns Medicare benefits to 3 organizations: Duke University Health System, Inc. (Raleigh, NC), Duke Health Integrated Practice, Inc (Raleigh, NC) and Kansas University Physicians Inc (Kansas City, KS). Each 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 Carlos Rabascall Ayoub's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlos Rabascall Ayoub accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare list Carlos Rabascall Ayoub 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.

Is Carlos Rabascall Ayoub affiliated with any hospitals?

According to CMS data, Carlos Rabascall Ayoub is affiliated with University Of Kansas Hospital and Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Carlos Rabascall Ayoub was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.