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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ISAAC YAO
NPI 1053991349
Psychiatry & Neurology - Neurology in Roanoke, VA

Active since April 11, 2021PECOS EnrolledAccepts Medicare Assignment
1906 BELLEVIEW AVE SE, ROANOKE, VA 24014(540) 981-7000 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 24, 2026, May 29, 2025, Apr 11, 2021 (3 updates tracked since 2021).

About Isaac Yao NPPES

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

ISAAC YAO (NPI 1053991349) is an individual neurology provider in Roanoke, Virginia, licensed in California (A210872) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Carilion Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1053991349
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameISAAC YAO
Location Address1906 BELLEVIEW AVE SERoanoke, VA 24014-1838
Mailing Address1906 Belleview Ave SeRoanoke, VA 24014-1838 · (540) 981-7000
Phone(540) 981-7000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 11, 2021
Last NPPES UpdateSeptember 24, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1053991349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A210872
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1906 BELLEVIEW AVE SE, Roanoke, VA 24014
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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 and accepts Medicare assignment

Isaac Yao 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 ID9830601996
PECOS Enrollment IDI20250624003076
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 Isaac Yao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carilion Medical Center
Same address
Multi-Specialty
1906 BELLEVIEW AVE SE
Roanoke, VA 24014
  • Reassigned Medicare billing, Virginia enrollment
  • 1,207 clinicians in this Medicare group
NPI 1730123472 (540) 981-7000
Carilion Rockbridge Community Hospital
22 mi
Rural Health
18080 MAIN ST
Buchanan, VA 24066
  • Reassigned Medicare billing, Virginia enrollment
  • Also billed through NPI 1942854427 (Virginia)
  • 507 clinicians in this Medicare group
NPI 1144848003 (540) 254-1239

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

Hospital Affiliations CMS Care Compare 4

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

Carilion Medical Center

Acute Care Hospitals · Roanoke, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490024
Location1906 Belleview Avenue, SERoanoke, VA 24014 · Roanoke City County
Emergency services Birthing friendly

Lewisgale Hospital Alleghany

Acute Care Hospitals · Low Moor, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490126
LocationOne Arh Lane - PO Box 7Low Moor, VA 24457 · Alleghany County
Emergency services

Carilion Giles Community Hospital

Critical Access Hospitals · Pearisburg, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number491302
Location159 Hartley WayPearisburg, VA 24134 · Giles County
Emergency services

Carilion Stonewall Jackson Hospital

Critical Access Hospitals · Lexington, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number491304
Location1 Health CircleLexington, VA 24450 · Lexington City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 24014 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

JOHN K THOMPSON PA-C, ATC
Physician Assistant
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
DR. JAMES LIGHT MD
Anesthesiology
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
SUJINA PRADHAN M.D.
Family Medicine
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
DR. SAMMY ZAKI ELSARRAG M.D.
Anesthesiology
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
NIMA JAHROMI DO
Student in an Organized Health Care Education/Training Program
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
TAYLOR ALEXIS KEYS
Student in an Organized Health Care Education/Training Program
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
NATHAN WILLIAM WAKEFIELD
Student in an Organized Health Care Education/Training Program
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000
ASHLYN BROOKE CONRAD
Nurse Practitioner
1906 BELLEVIEW AVE SE
ROANOKE, VA 24014
Roanoke City (540) 981-7000

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 Isaac Yao's NPI number?

The NPI number for Isaac Yao is 1053991349. It was assigned to this individual provider in the NPPES registry on April 11, 2021.

Where is Isaac Yao located?

Isaac Yao practices at 1906 Belleview Ave SE, Roanoke, VA 24014. The listed phone number is (540) 981-7000.

What is Isaac Yao's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Isaac Yao enrolled in Medicare?

Yes. Isaac Yao 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 Isaac Yao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Yao reassigns Medicare benefits to 2 organizations: Carilion Medical Center (Roanoke, VA) and Carilion Rockbridge Community Hospital (Buchanan, VA). 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 Isaac Yao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Isaac Yao affiliated with any hospitals?

According to CMS data, Isaac Yao is affiliated with Carilion Medical Center, Lewisgale Hospital Alleghany, Carilion Giles Community Hospital and Carilion Stonewall Jackson Hospital.

When was this NPI record last updated?

The NPPES record for Isaac Yao was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.