Darrell Knowlton, MSW
Social Worker · Michigan City, IN
Darrell Knowlton, MSW is a social worker with a practice address in Michigan City, Indiana, and NPI 1740433234, issued on Oct 28, 2008. Check the license with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Darrell Knowlton
- Credential
- MSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 414 Butler St, Michigan City, IN 46360
- Phone
- (219) 879-0676
- Enumerated
- Oct 28, 2008
- Record last updated
- Oct 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest social worker records → All 2,007 in Indiana → Look up another NPI →
Verify Darrell Knowlton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Darrell Knowlton among 2,007 social worker records in Indiana
Darrell Knowlton, MSW is one of 2,007 social worker records with a practice address in Indiana. 4% 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 2008, is newer than 11% of them.
- NPI issued2008 · 11% of these records are older, 85% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2008 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Social Worker providers in Indiana
There are 2,007 social worker records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,007 in Indiana → Every provider in Michigan City → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Amy Fezzuoglio, LSWMichigan City, IN 463601316416183
- Regan MinearMichigan City, IN 463601891402491
- Tashina Oladunjoye, MWSMichigan City, IN 463601568607489
- Wendy Wectawski, LSWMichigan City, IN 463601942811831
- Dawn Yates, MSW LSWMichigan City, IN 463601013186782
- Jennifer BosterLowell, IN 463561720678105
- Rhonda Courtright, MSWLowell, IN 463561902310956
- Sabrina Hughey, LSW, M.DIV.Lowell, IN 463561376143800
Common questions
What is Darrell Knowlton, MSW's NPI number?
Darrell Knowlton, MSW's National Provider Identifier (NPI) is 1740433234, issued on Oct 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Darrell Knowlton, MSW located?
The NPPES record lists a practice address at 414 Butler St, Michigan City, IN, 46360. Phone: (219) 879-0676. Providers update this record themselves, so call before visiting.
How can I verify Darrell Knowlton, MSW's license?
Search the Indiana 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.