Heather O'Mahen Willis, PHD
NPI 1063520708 · Mental Health Counselor · Ann Arbor, MI
Heather O'Mahen Willis, PHD is a Mental Health Counselor provider in Ann Arbor, MI (NPI 1063520708).
Provider details
- NPI number
- 1063520708
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6301012336 (MI)
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
19 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
- 2006-08-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Heather O'Mahen Willis's NPI number?
- Heather O'Mahen Willis's National Provider Identifier (NPI) is 1063520708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather O'Mahen Willis's specialty?
- Heather O'Mahen Willis is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Heather O'Mahen Willis located?
- Heather O'Mahen Willis's practice location on file with NPPES is 5331 Plymouth Rd, Ann Arbor, MI 48105-9520.
- What is Heather O'Mahen Willis's phone number?
- The practice phone number listed in the NPPES registry for Heather O'Mahen Willis is (734) 996-9111.
- Is Heather O'Mahen Willis's NPI active?
- Yes — Heather O'Mahen Willis's NPI (1063520708) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.