Donald Wahl, PH.D.
NPI 1649332784 · Mental Health Counselor · Saint Louis, MO
Donald Wahl, PH.D. is a Mental Health Counselor provider in Saint Louis, MO (NPI 1649332784).
Provider details
- NPI number
- 1649332784
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 001855 (MO)
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
- 2006-12-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donald Wahl's NPI number?
- Donald Wahl's National Provider Identifier (NPI) is 1649332784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Wahl's specialty?
- Donald Wahl is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Donald Wahl located?
- Donald Wahl's practice location on file with NPPES is 4158 Lindell Blvd, Saint Louis, MO 63108-2914.
- What is Donald Wahl's phone number?
- The practice phone number listed in the NPPES registry for Donald Wahl is (314) 652-6004.
- Is Donald Wahl's NPI active?
- Yes — Donald Wahl's NPI (1649332784) 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.