Registry data as of Aug 27, 2026

Penelope Armstrong

Social Worker · Oswego, IL

Penelope Armstrong is a social worker with a practice address in Oswego, Illinois, and NPI 1538936950, issued on Dec 6, 2023. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538936950
Name
Penelope Armstrong
Primary taxonomy
Social Worker 104100000X
Practice location
2677 US Highway 34 Ste C, Oswego, IL 60543
Phone
(630) 527-8877
Enumerated
Dec 6, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Penelope Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

27 social worker records list a Oswego practice address

They are 27 of the 516 NPPES records with a Oswego 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.

Other social worker records in Illinois

  1. Melissa Aaron, LCSWWest Frankfort, IL1437505526
  2. Linda Abbott, LSWSkokie, IL1104117795
  3. Stefani AbdaiMcHenry, IL1073297719
  4. Yasmeen AbdelhamidNorthbrook, IL1528876422
  5. Halimo AbdulkarimNaperville, IL1700588746
  6. Alwin AbrahamWoodridge, IL1063925501
  7. Laurie AburtoElk Grove Village, IL1245911817
  8. Ilse AcevedoChicago, IL1790324515
  9. Maritza Aceves, BAWestern Springs, IL1326547530
  10. Ashley Ackerman, LSW, MSW, PH.D.Wheaton, IL1881401487

Common questions

What is Penelope Armstrong's NPI number?

Penelope Armstrong's National Provider Identifier (NPI) is 1538936950, issued on Dec 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Penelope Armstrong located?

The NPPES record lists a practice address at 2677 US Highway 34 Ste C, Oswego, IL, 60543. Phone: (630) 527-8877. Providers update this record themselves, so call before visiting.

How can I verify Penelope Armstrong'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.