John Mader
NPI 1639158892 · Marriage & Family Therapist · Chapel Hill, NC
John Mader is a Marriage & Family Therapist provider in Chapel Hill, NC (NPI 1639158892).
Provider details
- NPI number
- 1639158892
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 470 (NC)
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
20 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
- 2006-01-15
- Last updated
- 2008-10-07
Frequently asked questions
- What is John Mader's NPI number?
- John Mader's National Provider Identifier (NPI) is 1639158892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mader's specialty?
- John Mader is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Mader located?
- John Mader's practice location on file with NPPES is 1506 E Franklin St, Chapel Hill, NC 27514-2825.
- What is John Mader's phone number?
- The practice phone number listed in the NPPES registry for John Mader is (919) 968-0231.
- Is John Mader's NPI active?
- Yes — John Mader's NPI (1639158892) is active in the NPPES registry as of the last update on 2008-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.