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DYANA KO NP
NPI 1598210403
Nurse Practitioner - Psychiatric/Mental Health in Hermosa Beach, CA

Active since August 20, 2016Opted out of Medicare · through Oct 7, 2026
2615 PACIFIC COAST HWY STE 204, HERMOSA BEACH, CA 90254(424) 728-5564(424) 377-6548 Get Directions Write a Review

NPPES record last updated: August 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 17, 2025, Jun 13, 2024, Mar 5, 2024 and 5 more (8 updates tracked since 2016).

About Dyana Ko Np NPPES

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

DYANA KO NP (NPI 1598210403) is an individual psychiatric/mental health provider in Hermosa Beach, California, licensed in California (95027496) and active in the NPI registry since August 2016. She has opted out of Medicare through October 7, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1598210403
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDYANA KOCredential: NP
Location Address2615 PACIFIC COAST HWY STE 204Hermosa Beach, CA 90254-2227
Mailing Address2615 Pacific Coast Hwy Ste 204Hermosa Beach, CA 90254-2227 · (424) 728-5564 · Fax (424) 377-6548
Phone(424) 728-5564
Fax(424) 377-6548
Sole ProprietorYes
Enumeration DateAugust 20, 2016
Last NPPES UpdateAugust 17, 20258 updates tracked since enumeration
NPPES CertifiedAugust 17, 2025
✔ NPI 1598210403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95027496
2615 PACIFIC COAST HWY STE 204, Hermosa Beach, CA 90254
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dyana Ko Np has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 7, 2024 through October 7, 2026.

Opt-Out Effective DateOctober 7, 2024
Opt-Out In Effect ThroughOctober 7, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90254 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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 4

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

COASTAL MINDSCAPE NURSING CORPORATION
Clinic/Center (Mental Health (Including Community Mental Health Center))
2615 PACIFIC COAST HWY STE 204
HERMOSA BEACH, CA 90254
Los Angeles County (424) 728-5564
DELIJANI MD, INC.
Anesthesiology
2615 PACIFIC COAST HWY STE 204
HERMOSA BEACH, CA 90254
Los Angeles County (424) 728-5564
ENDEAVOUR PSYCHOLOGY GROUP
Psychologist (Clinical)
2615 PACIFIC COAST HWY STE 204
HERMOSA BEACH, CA 90254
Los Angeles County (310) 666-4126
SEEMA KHAN
Social Worker (Clinical)
2615 PACIFIC COAST HWY STE 204
HERMOSA BEACH, CA 90254
Los Angeles County (323) 697-4411

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 Dyana Ko's NPI number?

The NPI number for Dyana Ko is 1598210403. It was assigned to this individual provider in the NPPES registry on August 20, 2016.

Where is Dyana Ko located?

Dyana Ko practices at 2615 Pacific Coast Hwy Ste 204, Hermosa Beach, CA 90254. The listed phone number is (424) 728-5564.

What is Dyana Ko's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Dyana Ko enrolled in Medicare?

No. Dyana Ko has opted out of Medicare through October 7, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Dyana Ko was last updated on August 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.