Joanne Williams, APRN, PMHNP-BC, RN
NPI 1154198729 · Psychiatric/Mental Health Nurse Practitioner · Honolulu, HI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Williams, APRN, PMHNP-BC, RN is a Psychiatric/Mental Health Nurse Practitioner provider in Honolulu, HI (NPI 1154198729).
Provider details
- NPI number
- 1154198729
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, PMHNP-BC, RN
- Sex
- Female
- Sole proprietor
- No
- License
- APRN-4372-0 (HI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- Po Box 88041Honolulu, HI 96830-8041Phone: (808) 489-9181Fax: (808) 437-7741
Registry dates
- Enumerated
- 2023-12-05
- Last updated
- 2024-12-26
- Certified
- 2024-12-26
Frequently asked questions
- What is Joanne Williams's NPI number?
- Joanne Williams's National Provider Identifier (NPI) is 1154198729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Williams's specialty?
- Joanne Williams is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joanne Williams located?
- Joanne Williams's practice location on file with NPPES is 438 Hobron Ln, Honolulu, HI 96815-1233.
- What is Joanne Williams's phone number?
- The practice phone number listed in the NPPES registry for Joanne Williams is (808) 941-9648.
- Does Joanne Williams accept Medicare?
- Joanne Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Williams's NPI active?
- Yes — Joanne Williams's NPI (1154198729) is active in the NPPES registry as of the last update on 2024-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.