Melissa Ann Timmermann
Clinical Social Worker · Ballwin, MO
Melissa Ann Timmermann is a clinical social worker with a practice address in Ballwin, Missouri, and NPI 1811673338, issued on Jun 27, 2023. Check the license (Missouri 2017022033, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Ann Timmermann
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 2017022033 MO
Self-reported in NPPES; status is on the state search - Practice location
- 13975 Manchester RD Ste 3, Ballwin, MO 63011
- Phone
- (314) 329-4326
- Enumerated
- Jun 27, 2023
- Record last updated
- Jun 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20231030003280); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 5,398 in Missouri → Look up another NPI →
Also registered at 13975 Manchester RD Ste 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carey Delargy, LCSWClinical Social Worker1679255921
- Emily Mikusch, LPCMental Health Counselor1356213482
- Krystal Wheelis, LMSWClinical Social Worker1376335158
Verify Melissa Ann Timmermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2017022033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Open Arms Wellness LLCBallwin, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Ann Timmermann among 5,398 clinical social worker records in Missouri
Melissa Ann Timmermann is one of 5,398 clinical social worker records with a practice address in Missouri. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 10% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 18% of these records are
- Graduated2008 · median 2010 among the 978 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 clinical social worker records list a practice address in Ballwin
They are 26 of the 562 NPPES records with a practice address in Ballwin, and 5,398 clinical social worker records in Missouri.
All 5,398 in Missouri → Every provider in Ballwin → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Marilyn Bass, LCSWBallwin, MO 630111497748578
- Kristin Draeger, RN,LCSWBallwin, MO 630111295066900
- Jessica Fraser, LCSWEllisville, MO 630111255668380
- Melyssa FrederickBallwin, MO 630111114131422
- Mary Anne Iorio, MSW, LCSWManchester, MO 630111346211786
- Wendy McDougal, M.A.Ellisville, MO 630111801962865
- Sandra McKay, MSWEllisville, MO 630111598096174
- Karla Pollock-Smith, MSW, LCSWEllisville, MO 630111235297003
Common questions
What is Melissa Ann Timmermann's NPI number?
Melissa Ann Timmermann's National Provider Identifier (NPI) is 1811673338, issued on Jun 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Ann Timmermann located?
The NPPES record lists a practice address at 13975 Manchester RD Ste 3, Ballwin, MO, 63011. Phone: (314) 329-4326. Providers update this record themselves, so call before visiting.
How can I verify Melissa Ann Timmermann's license?
NPPES lists Missouri license number 2017022033, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.