Melissa Timmermann
NPI 1811673338 · Clinical Social Worker · Ballwin, MO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Timmermann is a Clinical Social Worker provider in Ballwin, MO (NPI 1811673338).
Provider details
- NPI number
- 1811673338
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2017022033 (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
3 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
- 2023-06-27
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is Melissa Timmermann's NPI number?
- Melissa Timmermann's National Provider Identifier (NPI) is 1811673338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Timmermann's specialty?
- Melissa Timmermann is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Melissa Timmermann located?
- Melissa Timmermann's practice location on file with NPPES is 13975 Manchester Rd Ste 3, Ballwin, MO 63011-4500.
- What is Melissa Timmermann's phone number?
- The practice phone number listed in the NPPES registry for Melissa Timmermann is (314) 329-4326.
- Does Melissa Timmermann accept Medicare?
- Melissa Timmermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Timmermann's NPI active?
- Yes — Melissa Timmermann's NPI (1811673338) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.