DR. JAYSON TAKEJI MASAKI M.D.
NPI 1972985588
Psychiatry & Neurology - Psychiatry in Mililani, HI

Active since June 19, 2015PECOS EnrolledAccepts Medicare Assignment
100 KAHELU AVE STE 232, MILILANI, HI 96789(808) 207-9800(725) 215-9036 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Jayson Takeji Masaki M.d. NPPES

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

DR. JAYSON TAKEJI MASAKI M.D. (NPI 1972985588) is an individual psychiatry provider in Mililani, Hawaii, licensed in Illinois (125066569) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1972985588
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JAYSON TAKEJI MASAKICredential: M.D.
Location Address100 KAHELU AVE STE 232Mililani, HI 96789-3962
Mailing Address100 Kahelu Ave Ste 232Mililani, HI 96789-3962 · (808) 207-9800 · Fax (725) 215-9036
Fax(725) 215-9036
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 19, 2015
Last NPPES UpdateJuly 22, 2025
NPPES CertifiedJuly 22, 2025
✔ NPI 1972985588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in IL · 125066569
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
100 KAHELU AVE STE 232, Mililani, HI 96789

Secondary Practice Locations 2

Location 1928 Nuuanu Ave Ste 2Honolulu, HI 96817-5193 · Phone (808) 207-9800 · Fax (725) 215-9036
Location 2133 N Market StWailuku, HI 96793-1754 · Phone (808) 207-9800 · Fax (725) 215-9036

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

Dr. Jayson Takeji Masaki 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 ID3577811314
PECOS Enrollment IDI20201110000930
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

4

Medicare enrollment records show Jayson Masaki reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
100 KAHELU AVE STE 232
Mililani, HI 96789
  • Reassigned Medicare billing, Hawaii enrollment
  • 17 clinicians in this Medicare group
Critical Access
1 KAMANI STREET
Pahala, HI 96777
  • Reassigned Medicare billing, Hawaii enrollment
  • 208 clinicians in this Medicare group
Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Carle Health Care Incorporated
  • 2,516 clinicians in this Medicare group
Child & Adolescent Psychiatry
101 MADISON ST STE 200
Oak Park, IL 60302
  • Reassigned Medicare billing, Illinois enrollment
  • 55 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 96789 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
$180.05 typical visit price
range $60.53 – $180.05
Typical copayment $45.01 (range $15.13 – $45.01)
Most-billed visit code 99205
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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 17

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

Marriage & Family Therapist
100 KAHELU AVE STE 232
MILILANI, HI 96789
Nurse Practitioner (Psychiatric/Mental Health)
100 KAHELU AVE STE 232
MILILANI, HI 96789
Audiologist
100 KAHELU AVE STE 232
MILILANI, HI 96789
Clinic/Center (Mental Health (Including Community Mental Health Center))
100 KAHELU AVE STE 232
MILILANI, HI 96789
Psychologist (Clinical)
100 KAHELU AVE STE 232
MILILANI, HI 96789
Nurse Practitioner (Psychiatric/Mental Health)
100 KAHELU AVE STE 232
MILILANI, HI 96789
Community/Behavioral Health
100 KAHELU AVE STE 232
MILILANI, HI 96789
Social Worker (Clinical)
100 KAHELU AVE STE 232
MILILANI, HI 96789

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 Jayson Masaki's NPI number?

The NPI number for Jayson Masaki is 1972985588. It was assigned to this individual provider in the NPPES registry on June 19, 2015.

Where is Jayson Masaki located?

Jayson Masaki practices at 100 Kahelu Ave Ste 232, Mililani, HI 96789. The listed phone number is (808) 207-9800.

What is Jayson Masaki's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Jayson Masaki enrolled in Medicare?

Yes. Jayson Masaki 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 Jayson Masaki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jayson Masaki reassigns Medicare benefits to 4 organizations: Fields Psychiatric Consultants LLC (Mililani, HI), Kau Hospital (Pahala, HI), Carle Health Medical Group (Urbana, IL) and Uhs Of Hartgrove, Inc (Oak Park, IL). 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 Jayson Masaki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jayson Masaki accept?

Health plans from HMSA list Jayson Masaki 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 Jayson Masaki was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.