Active NPI
Jayson Takeji Masaki, M.D.
- Psychiatry Physician
- Mililani, HI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 125066569
- Practice address
- 100 Kahelu Ave Ste 232
Mililani, HI 96789-3962 - Phone
- (808) 207-9800
- Fax
- (725) 215-9036
- NPI assigned
- Jun 19, 2015
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 125066569 | IL | Primary |
Addresses
Primary practice location
100 Kahelu Ave Ste 232
Mililani, HI 96789-3962
Mailing address
100 Kahelu Ave Ste 232
Mililani, HI 96789-3962
Phone (808) 207-9800
Other practice location 1
928 Nuuanu Ave Ste 2
Honolulu, HI 96817-5193
Phone (808) 207-9800
Other practice location 2
133 N Market St
Wailuku, HI 96793-1754
Phone (808) 207-9800
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, HI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
100 Kahelu Ave
Suite 232
Mililani, HI 96789-3962
Phone (808) 207-9800
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kau Hospital | Current | Accepting new patients | |
| Uhs of Hartgrove, Inc | Psychiatry | Current | Accepting new patients |
| Carle Health Care Incorporated | Current | Accepting new patients | |
| Kau Hospital | Current | Accepting new patients | |
| Fields Psychiatric Consultants LLC | Current | Accepting new patients | |
| Uhs of Hartgrove, Inc. | Psychiatry | Current | Accepting new patients |
Locations
1190 Waianuenue Ave
Hilo, HI 96720
Phone (808) 932-3000
100 Kahelu Ave
Ste 232
Mililani, HI 96789
Phone (808) 207-9800
133 N Market St
Wailuku, HI 96793
Phone (808) 207-9800
5730 W Roosevelt Rd
Chicago, IL 60644
Phone (773) 413-1700
611 W Park St
Urbana, IL 61801
Phone (217) 383-6941
Interoperability endpoints
- jmasakimd373679@carlehiedirect.net
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Community/Behavioral Health Agency
- Mililani, HI
- NPI 1316667959
-
- Rural Health Clinic/Center
- Pahala, HI
- NPI 1144304338
-
dba Carle Physician Group
- Internal Medicine Physician
- Urbana, IL
- NPI 1154653947
-
dba East Hawaii Health Clinic at Puna Kai
- Rural Health Clinic/Center
- Pahoa, HI
- NPI 1285450163
-
dba UHS of Hartgrove-Chatham Counseling Center
- Child & Adolescent Psychiatry Physician
- Chicago, IL
- NPI 1538560339
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1434672000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753142400000",
"number": "1972985588",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "100 KAHELU AVE STE 232",
"city": "MILILANI",
"state": "HI",
"postal_code": "967893962",
"telephone_number": "808-207-9800",
"fax_number": "725-215-9036"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 KAHELU AVE STE 232",
"city": "MILILANI",
"state": "HI",
"postal_code": "967893962",
"telephone_number": "808-207-9800",
"fax_number": "725-215-9036"
}
],
"practiceLocations": [
{
"address_1": "928 Nuuanu Ave Ste 2",
"address_purpose": "LOCATION",
"city": "Honolulu",
"state": "HI",
"postal_code": "968175193",
"country_code": "US",
"telephone_number": "808-207-9800",
"fax_number": "725-215-9036",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "133 N Market St",
"address_purpose": "LOCATION",
"city": "Wailuku",
"state": "HI",
"postal_code": "967931754",
"country_code": "US",
"telephone_number": "808-207-9800",
"fax_number": "725-215-9036",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MASAKI",
"first_name": "JAYSON",
"middle_name": "TAKEJI",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2015-06-19",
"last_updated": "2025-07-22",
"certification_date": "2025-07-22",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "IL",
"license": "125066569",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mililani, HI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.