Charles Karsters LLC
NPI 1639824733 · Mental Health Counselor · Honolulu, HI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Karsters LLC is a Mental Health Counselor organization in Honolulu, HI (NPI 1639824733).
Provider details
- NPI number
- 1639824733
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Charles Karsters, Lmhc/Owner(808) 429-9932
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Other names (DBA / former)
- Doing business as
- Charles Karsters LLC
Registry dates
- Enumerated
- 2022-02-16
- Last updated
- 2022-02-16
- Certified
- 2022-02-16
Frequently asked questions
- What is Charles Karsters LLC's NPI number?
- Charles Karsters LLC's National Provider Identifier (NPI) is 1639824733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Charles Karsters LLC?
- Charles Karsters LLC is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Charles Karsters LLC located?
- Charles Karsters LLC's practice location on file with NPPES is 1663 Liholiho St Apt 1, Honolulu, HI 96822-2948.
- What is Charles Karsters LLC's phone number?
- The practice phone number listed in the NPPES registry for Charles Karsters LLC is (808) 429-9932.
- Does Charles Karsters LLC accept Medicare?
- Charles Karsters LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Charles Karsters LLC?
- The authorized official listed on Charles Karsters LLC's NPPES record is Charles Karsters, Lmhc/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Charles Karsters LLC's NPI active?
- Yes — Charles Karsters LLC's NPI (1639824733) is active in the NPPES registry as of the last update on 2022-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.