Myles Tonnacliff PH.D, LLC
NPI 1235666017 · Mental Health Clinic/Center (Including Community Mental Health Center) · Cedarburg, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Myles Tonnacliff PH.D, LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Cedarburg, WI (NPI 1235666017).
Provider details
- NPI number
- 1235666017
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Myles Tonnacliff, Licesed Psychologist- Owner(262) 618-2856
- License
- 2163-57 (WI)
Specialties & taxonomies
- Mental Health Clinic/Center (Including Community Mental Health Center)Primary261QM0801XLicense 2163-57 (WI)
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2017-05-11
Frequently asked questions
- What is Myles Tonnacliff PH.D, LLC's NPI number?
- Myles Tonnacliff PH.D, LLC's National Provider Identifier (NPI) is 1235666017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Myles Tonnacliff PH.D, LLC?
- Myles Tonnacliff PH.D, LLC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Myles Tonnacliff PH.D, LLC located?
- Myles Tonnacliff PH.D, LLC's practice location on file with NPPES is W62n248 Washington Ave, Cedarburg, WI 53012-2768.
- What is Myles Tonnacliff PH.D, LLC's phone number?
- The practice phone number listed in the NPPES registry for Myles Tonnacliff PH.D, LLC is (262) 618-2856.
- Does Myles Tonnacliff PH.D, LLC accept Medicare?
- Myles Tonnacliff PH.D, 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 Myles Tonnacliff PH.D, LLC?
- The authorized official listed on Myles Tonnacliff PH.D, LLC's NPPES record is Myles Tonnacliff, Licesed Psychologist- Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Myles Tonnacliff PH.D, LLC's NPI active?
- Yes — Myles Tonnacliff PH.D, LLC's NPI (1235666017) is active in the NPPES registry as of the last update on 2017-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.