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DR. ALIYA FEROUZ-COLBORN M.D.
NPI 1306827787
Otolaryngology - Sleep Medicine in Encinitas, CA

Active since November 10, 2005PECOS Enrolled
477 N EL CAMINO REAL, SUITE D-308, ENCINITAS, CA 92024(760) 942-9028(760) 942-5055 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Aliya Ferouz-colborn M.d. NPPES

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

DR. ALIYA FEROUZ-COLBORN M.D. (NPI 1306827787) is an individual sleep medicine provider in Encinitas, California, licensed in California (G84256) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306827787
Entity TypeIndividualFemale
Primary Taxonomy207YS0012X
Provider Legal NameDR. ALIYA FEROUZ-COLBORNCredential: M.D.
Location Address477 N EL CAMINO REAL, SUITE D-308Encinitas, CA 92024-1328
Mailing Address477 N El Camino Real, Suite D-308Encinitas, CA 92024-1328 · (760) 942-9028 · Fax (760) 942-5055
Phone(760) 942-9028
Fax(760) 942-5055
Sole ProprietorNo
Enumeration DateNovember 10, 2005
Last NPPES UpdateDecember 16, 2021
NPPES CertifiedDecember 16, 2021
✔ NPI 1306827787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207YS0012X
License✔ Licensed in CA · G84256
Definition
An Otolaryngologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
477 N EL CAMINO REAL, Encinitas, CA 92024
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Other Names 1

Former Name (1)Dr. Aliya Ferouz M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aliya Ferouz-colborn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Aliya Ferouz-colborn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
21 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1023425972 (California)
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000
Permanente Medical Group Inc
398 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92024 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. STANLEY JOSEPH SCHEURMAN JR. M.D.
Anesthesiology
477 N EL CAMINO REAL, # C100
ENCINITAS, CA 92024
San Diego County (760) 942-8800
MARY ANN CATHEY FNP
Nurse Practitioner (Family)
477 N EL CAMINO REAL, SUITE A
ENCINITAS, CA 92024
San Diego County (760) 943-9111
JOHN BAHRAM SERADJ MD
Obstetrics & Gynecology (Gynecology)
477 N EL CAMINO REAL, SUITE A300
ENCINITAS, CA 92024
San Diego County (760) 942-6120
DR. GAY MCMANUS WALKER M.D.
Internal Medicine
477 N EL CAMINO REAL, SUITE 208A
ENCINITAS, CA 92024
San Diego County (760) 479-3900
DR. MARIO SANTOS YCO M.D.
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
477 N EL CAMINO REAL, SUITE A-210
ENCINITAS, CA 92024
San Diego County (760) 944-4211
LISA ANN STIRLING M.D.
Dermatology
477 N EL CAMINO REAL, SUITE C204
ENCINITAS, CA 92024
San Diego County (760) 634-3376
JENNIFER H DUONG M.D.
Family Medicine
477 N EL CAMINO REAL
ENCINITAS, CA 92024
San Diego County (760) 479-3900
JEANETTE MENDEZ, M.D. , A PROFESSIONAL CORPORATION
Internal Medicine (Gastroenterology)
477 N EL CAMINO REAL, SUITE D-306
ENCINITAS, CA 92024
San Diego County (760) 436-9872

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 Aliya Ferouz-colborn's NPI number?

The NPI number for Aliya Ferouz-colborn is 1306827787. It was assigned to this individual provider in the NPPES registry on November 10, 2005. The provider is also known as Dr. Aliya Ferouz M.D..

Where is Aliya Ferouz-colborn located?

Aliya Ferouz-colborn practices at 477 N El Camino Real Suite D-308, Encinitas, CA 92024. The listed phone number is (760) 942-9028.

What is Aliya Ferouz-colborn's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Sleep Medicine, with taxonomy code 207YS0012X.

Is Aliya Ferouz-colborn enrolled in Medicare?

Yes. Aliya Ferouz-colborn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aliya Ferouz-colborn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aliya Ferouz-colborn reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Permanente Medical Group Inc (Santa Clara, CA). 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 Aliya Ferouz-colborn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aliya Ferouz-colborn was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.