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

DAVID YOUNG-SU KO M.D.
NPI 1932143963
Psychiatry & Neurology - Neurology in Loma Linda, CA

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
11201 BENTON ST # 2A-205, LOMA LINDA, CA 92357(909) 825-7084(909) 777-3814 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 1, 2026, Mar 19, 2025 (2 updates tracked since 2025).

About David Young-su Ko M.d. NPPES

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

DAVID YOUNG-SU KO M.D. (NPI 1932143963) is an individual neurology provider in Loma Linda, California, licensed in California (G81872) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1988).

NPPES Registry Identity

NPI1932143963
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDAVID YOUNG-SU KOCredential: M.D.
Location Address11201 BENTON ST # 2A-205Loma Linda, CA 92357-5310
Mailing Address3240 Lombardy RdPasadena, CA 91107-5533 · (323) 697-9802
Fax(909) 777-3814
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1988
Enumeration DateJune 16, 2006
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1932143963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses✔ Licensed in CA · G81872✔ Licensed in NC · 2026-03338
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.
11201 BENTON ST # 2A-205, Loma Linda, CA 92357

Other Identifiers 1

Medicaid00G818720CA

Accepted 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

David Young-su Ko 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 ID8527117605
PECOS Enrollment IDI20260622000170
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 David Ko reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology
1717 MAIN ST STE 5850
Dallas, TX 75201
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Access Telecare California PC
  • 194 clinicians in this Medicare group
Internal Medicine
1717 MAIN ST STE 5850
Dallas, TX 75201
  • Reassigned Medicare billing, Alabama, Delaware, Florida, Georgia, Iowa, Idaho, Kentucky, Massachusetts, Maryland, Michigan, Missouri, Montana, North Carolina, New Mexico, New York, Ohio, Oklahoma, Tennessee, Texas, Virginia and West Virginia enrollments
  • 149 clinicians in this Medicare group
1,183 mi
Internal Medicine
1717 MAIN ST STE 5850
Dallas, TX 75201
  • Reassigned Medicare billing, Kansas enrollment
  • 82 clinicians in this Medicare group

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 92357 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 David Ko's NPI number?

The NPI number for David Ko is 1932143963. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is David Ko located?

David Ko practices at 11201 Benton St # 2a-205, Loma Linda, CA 92357. The listed phone number is (909) 825-7084.

What is David Ko's specialty?

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

Is David Ko enrolled in Medicare?

Yes. David Ko 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 David Ko's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Ko reassigns Medicare benefits to 3 organizations: Access Telecare California, P.C. (Dallas, TX), Access Telecare, PLLC (Dallas, TX) and Ap Us 14, PA (Dallas, TX). 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 David Ko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Ko accept?

Health plans from Blue Cross and Blue Shield of Montana list David Ko 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.

When was this NPI record last updated?

The NPPES record for David Ko was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.