Jennifer L. Castro, SAC
Addiction (Substance Use Disorder) Counselor · Appleton, WI
Jennifer L. Castro, SAC is an addiction (substance use disorder) counselor with a practice address in Appleton, Wisconsin, and NPI 1043994353, issued on Jun 15, 2023. Check the license (Wisconsin 17015-131, 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
- Jennifer L. Castro
- Credential
- SAC
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 17015-131 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1531 S Madison St, Appleton, WI 54915
- Phone
- (920) 831-8437
- Enumerated
- Jun 15, 2023
- Record last updated
- Jul 27, 2023
- Entity
- Type 1 · individual
Also registered at 1531 S Madison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cathleen Cunningham, LCSWClinical Social Worker1245317833
- Marilyn Danz, RD, MS, CDRegistered Dietitian1336342203
Verify Jennifer L. Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 17015-131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91 addiction (substance use disorder) counselor records list a practice address in Appleton
They are 91 of the 3,249 NPPES records with a practice address in Appleton, and 2,096 addiction (substance use disorder) counselor records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 91 in Appleton → All 2,096 in Wisconsin → Every provider in Appleton →
Other addiction (substance use disorder) counselor records in Wisconsin
- Cathie Abel, CADCIIIWoodruff, WI1003906132
- Jennifer Abele, M.S.Eau Claire, WI1699921254
- Ismael Acevedo, CSACBrown Deer, WI1669654125
- Clare AchiaMadison, WI1730891730
- Breanna Adams, SAC-ITBeloit, WI1134747009
- Danielle Adams, SAC-ITMarinette, WI1376269340
- John Adams, SAC-ITMadison, WI1780428383
- Merritt Adams, CADCIIIRacine, WI1013175868
- Lisa Adams-Qualls, SAC, APSWMilwaukee, WI1912239930
- Gina Adamski, LADC, CSACSuperior, WI1770837882
Common questions
What is Jennifer L. Castro, SAC's NPI number?
Jennifer L. Castro, SAC's National Provider Identifier (NPI) is 1043994353, issued on Jun 15, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer L. Castro, SAC located?
The NPPES record lists a practice address at 1531 S Madison St, Appleton, WI, 54915. Phone: (920) 831-8437. Providers update this record themselves, so call before visiting.
How can I verify Jennifer L. Castro, SAC's license?
NPPES lists Wisconsin license number 17015-131, 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.