Maryann Siebert
Counselor · Appleton, WI
Maryann Siebert is a counselor with a practice address in Appleton, Wisconsin, and NPI 1578612404, issued on Jan 9, 2007. Check the license (Wisconsin 3442-125, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maryann Siebert
- Primary taxonomy
- Counselor 101Y00000X
- License number
- 3442-125 WI
Self-reported in NPPES; status is on the state search - Practice location
- 444 N Westhill Blvd, Appleton, WI 54914
- Phone
- (920) 380-4999
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 838 in Wisconsin → Look up another NPI →
Also registered at 444 N Westhill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Blume, LCSWClinical Social Worker1891965141
- Beth Boehnlein, APNPPsychiatric/Mental Health Nurse Practitioner1477714129
- Holly Darton, LPCProfessional Counselor1104196310
- Gina Day, LPCCounselor1811392319
- Julie Decker, LPCProfessional Counselor1114135902
- Stephanie Diamond, LCSWSocial Worker1225346109
Verify Maryann Siebert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3442-125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maryann Siebert among 838 counselor records in Wisconsin
Maryann Siebert is one of 838 counselor records with a practice address in Wisconsin. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 12% of them.
- NPI issued2007 · 12% of these records are older, 75% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Wisconsin
There are 838 counselor records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 838 in Wisconsin → Every provider in Appleton → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Gina Day, LPCAppleton, WI 549141811392319
- Lois Johnson, LPCAppleton, WI 549141073032181
- Kelly NiesAppleton, WI 549141528117447
- Ashley Peterson, LPCAppleton, WI 549141225301906
- David ArroyoAppleton, WI 549131992482996
- Hannah Bishop, MS, LPCAppleton, WI 549151316570856
- Deborah BongersAppleton, WI 549131457750531
- Samantha Hanson, M.S., LPC, ATRAppleton, WI 549151427464221
Common questions
What is Maryann Siebert's NPI number?
Maryann Siebert's National Provider Identifier (NPI) is 1578612404, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maryann Siebert located?
The NPPES record lists a practice address at 444 N Westhill Blvd, Appleton, WI, 54914. Phone: (920) 380-4999. Providers update this record themselves, so call before visiting.
How can I verify Maryann Siebert's license?
NPPES lists Wisconsin license number 3442-125, as entered by the provider. Search the Wisconsin 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. 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.