NPPES file of Aug 9, 2026

Joyce K. Lo, M.D.

Pediatrics Physician · Naperville, IL

Joyce K. Lo, M.D. is a pediatrics physician with a practice address in Naperville, Illinois, and NPI 1780871426, issued on Sep 26, 2007. Check the license (Illinois 036117186, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780871426
Name
Joyce K. Lo
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
036117186 IL
Self-reported in NPPES; status is on the state search
Practice location
801 S Washington St, Naperville, IL 60540
Phone
(630) 527-3288
Enumerated
Sep 26, 2007
Record last updated
Mar 27, 2026
Fax
(630) 527-7632
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.
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8 nearest pediatrics physician records → All 3,176 in Illinois → Look up another NPI →

Also registered at 801 S Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sean Adams, M.D.Anesthesiology Physician1598713661
  2. Saroosh Ahmed, MDEmergency Medicine Physician1639335078
  3. Faisal Akbari, M.DHospitalist Physician1740598705
  4. Catherine AlerNurse Practitioner1134584964
  5. Irfan Ali, DOHospitalist Physician1306427760
  6. Sivani Aluru, MDObstetrics & Gynecology Physician1275156325

Verify Joyce K. Lo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036117186    Check 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
Open the Illinois license search

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Joyce K. Lo among 3,176 pediatrics physician records in Illinois

Joyce K. Lo, M.D. is one of 3,176 pediatrics physician records with a practice address in Illinois. 32% 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 41% of them.

  • NPI issued2007 · 41% of these records are older, 51% newer
  • In a Medicare fileNo · 32% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

73 pediatrics physician records list a practice address in Naperville

They are 73 of the 4,634 NPPES records with a practice address in Naperville, and 3,176 pediatrics physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,176 in Illinois → Every provider in Naperville → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Karen Balzanto, M.D.Naperville, IL 605401124179882
  2. Vija Bublys, M.D.Naperville, IL 605401104875681
  3. Pooja Khungar, M.D.Naperville, IL 605401952576761
  4. Kyu-Ho Kim, M.D., F.A.A.P.Naperville, IL 605401417912734
  5. Shashikant Kudchadker, M.D.Naperville, IL 605401679570691
  6. Karolyn Law, M.D.Naperville, IL 605401093788804
  7. Shubhada Lawande, M.D.Naperville, IL 605401750388773
  8. Doris Nietert, M.D.Naperville, IL 605401942283759

Common questions

What is Joyce K. Lo, M.D.'s NPI number?

Joyce K. Lo, M.D.'s National Provider Identifier (NPI) is 1780871426, issued on Sep 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joyce K. Lo, M.D. located?

The NPPES record lists a practice address at 801 S Washington St, Naperville, IL, 60540. Phone: (630) 527-3288. Providers update this record themselves, so call before visiting.

How can I verify Joyce K. Lo, M.D.'s license?

NPPES lists Illinois license number 036117186, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.