Mary Holtzman, LSW
Social Worker · Ottawa, IL
Mary Holtzman, LSW is a social worker with a practice address in Ottawa, Illinois, and NPI 1053537076, issued on Apr 18, 2007. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Holtzman
- Credential
- LSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 1013 Adams St, Ottawa, IL 61350
- Phone
- (815) 434-0857
- Enumerated
- Apr 18, 2007
- Entity
- Type 1 · individual
Also registered at 1013 Adams St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Callie FuchsDevelopmental Therapist1689482614
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Verify Mary Holtzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois 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
7 social worker records list a Ottawa practice address
They are 7 of the 334 NPPES records with a Ottawa practice address, and 6,263 social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7 in Ottawa → All 6,263 in Illinois → Every provider in Ottawa →
Other social worker records in Illinois
- Melissa Aaron, LCSWWest Frankfort, IL1437505526
- Linda Abbott, LSWSkokie, IL1104117795
- Stefani AbdaiMcHenry, IL1073297719
- Yasmeen AbdelhamidNorthbrook, IL1528876422
- Halimo AbdulkarimNaperville, IL1700588746
- Alwin AbrahamWoodridge, IL1063925501
- Laurie AburtoElk Grove Village, IL1245911817
- Ilse AcevedoChicago, IL1790324515
- Maritza Aceves, BAWestern Springs, IL1326547530
- Ashley Ackerman, LSW, MSW, PH.D.Wheaton, IL1881401487
Common questions
What is Mary Holtzman, LSW's NPI number?
Mary Holtzman, LSW's National Provider Identifier (NPI) is 1053537076, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Holtzman, LSW located?
The NPPES record lists a practice address at 1013 Adams St, Ottawa, IL, 61350. Phone: (815) 434-0857. Providers update this record themselves, so call before visiting.
How can I verify Mary Holtzman, LSW's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.