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DR. ALYA KHAN M.D.
NPI 1730312729
Preventive Medicine - Occupational Medicine in Irvine, CA

Active since August 25, 2009PECOS Enrolled
19722 MACARTHUR BLVD, IRVINE, CA 92612(949) 824-8685 Get Directions Write a Review

NPPES record last updated: February 21, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Alya Khan M.d. NPPES

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

DR. ALYA KHAN M.D. (NPI 1730312729) is an individual occupational medicine provider in Irvine, California, licensed in California (A112039) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730312729
Entity TypeIndividualFemale
Primary Taxonomy2083X0100X
Provider Legal NameDR. ALYA KHANCredential: M.D.
Location Address19722 MACARTHUR BLVDIrvine, CA 92612-2404
Mailing Address100 TheoryIrvine, CA 92617-3055 · (949) 466-5828
Phone(949) 824-8685
Sole ProprietorYes
Enumeration DateAugust 25, 2009
Last NPPES UpdateFebruary 21, 2017
✔ NPI 1730312729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083X0100X
License✔ Licensed in CA · A112039
Definition
Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.
Also ListedInternal MedicineTaxonomy 207R00000X · License A112039 (CA)
19722 MACARTHUR BLVD, Irvine, CA 92612
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alya Khan 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 Reassignment

Medicare enrollment records show Alya Khan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uc Regents
9.2 mi
Allergy & Immunology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 525 clinicians in this Medicare group
NPI 1003864174 (714) 456-8068

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 92612 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

TRACY MCKELVEY RD
Dietitian, Registered
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-8770
HYEJIN CHO RD
Dietitian, Registered
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (714) 456-8888
DR. JEAN GEHRICKE PH.D.
Psychologist (Clinical)
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 212-1668
MS. AUDREY DOROTHY KAPELINSKI LCSW
Social Worker (Clinical)
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-1819
UCI PSYCH PRACTICE GROUP
Psychiatry & Neurology (Psychiatry)
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-1283
DR. THOMAS WARNER HUDSON III MD
Family Medicine
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-8641
DR. SHARON B WIGAL PH.D
Psychologist (Clinical)
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-1833
MRS. NATALIA ULLRICH REGISTERED DIETITIAN
Dietitian, Registered
19722 MACARTHUR BLVD
IRVINE, CA 92612
Orange County (949) 824-4764

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 Alya Khan's NPI number?

The NPI number for Alya Khan is 1730312729. It was assigned to this individual provider in the NPPES registry on August 25, 2009.

Where is Alya Khan located?

Alya Khan practices at 19722 Macarthur Blvd, Irvine, CA 92612. The listed phone number is (949) 824-8685.

What is Alya Khan's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Is Alya Khan enrolled in Medicare?

Yes. Alya Khan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alya Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alya Khan reassigns Medicare benefits to Uc Regents (Orange, CA). The 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 Alya Khan'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 Alya Khan was last updated on February 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.