Michael Mahon, PSY.D., LPC
NPI 1588999643 · Professional Counselor · Saint Louis, MO
Michael Mahon, PSY.D., LPC is a Professional Counselor provider in Saint Louis, MO (NPI 1588999643).
Provider details
- NPI number
- 1588999643
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PSY.D., LPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2024023876 (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
16 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
- 2009-10-07
- Last updated
- 2024-07-10
- Certified
- 2024-07-10
Frequently asked questions
- What is Michael Mahon's NPI number?
- Michael Mahon's National Provider Identifier (NPI) is 1588999643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mahon's specialty?
- Michael Mahon is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Mahon located?
- Michael Mahon's practice location on file with NPPES is 3636 S Geyer Rd Ste 100, Saint Louis, MO 63127-1237.
- What is Michael Mahon's phone number?
- The practice phone number listed in the NPPES registry for Michael Mahon is (314) 910-0758.
- Is Michael Mahon's NPI active?
- Yes — Michael Mahon's NPI (1588999643) is active in the NPPES registry as of the last update on 2024-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.