Nicholas John Schlund, DO
Pulmonary Disease Physician · Naperville, IL
Nicholas John Schlund, DO is a pulmonary disease physician with a practice address in Naperville, Illinois, and NPI 1962965269, issued on Apr 12, 2019. Check the license (Illinois 036173714, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nicholas John Schlund
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 036173714 IL
R3122 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Spalding Dr., Naperville, IL 60540
- Phone
- (630) 355-8776
- Enumerated
- Apr 12, 2019
- Record last updated
- Jul 16, 2025
- Fax
- (630) 355-7445
- Medicare enrollment
- Enrolled (PECOS I20250610004043); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 617 in Illinois → Look up another NPI →
Also registered at 100 Spalding Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Gall, APN-CNPNurse Practitioner1689761017
- Faraaz Nayeemuddin, M.D.Pulmonary Disease Physician1245612142
Verify Nicholas John Schlund in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036173714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
34 Medicare Part D claims for 11 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $399.22
17 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Endeavor Health Medical GroupNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas John Schlund among 617 pulmonary disease physician records in Illinois
Nicholas John Schlund, DO is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2005 among the 444 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Illinois
There are 617 pulmonary disease physician records in Illinois.
All 617 in Illinois → Every provider in Naperville → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Shahid Ahsan, M.D.Naperville, IL 605401740208180
- Juan Flores, M.D.Naperville, IL 605401093931909
- Edward Kessler, M.D.Naperville, IL 605401427205699
- Jobby Mampilly, M.D.Naperville, IL 605401639340029
- David McElligott, M.D.Naperville, IL 605401578579850
- David McElligott, M.D.Naperville, IL 605401891966982
- Jasshan Mehrotra, M.D.Naperville, IL 605401194135368
- Faraaz Nayeemuddin, M.D.Naperville, IL 605401245612142
Common questions
What is Nicholas John Schlund, DO's NPI number?
Nicholas John Schlund, DO's National Provider Identifier (NPI) is 1962965269, issued on Apr 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas John Schlund, DO located?
The NPPES record lists a practice address at 100 Spalding Dr., Naperville, IL, 60540. Phone: (630) 355-8776. Providers update this record themselves, so call before visiting.
How can I verify Nicholas John Schlund, DO's license?
NPPES lists Illinois license number 036173714, 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.
How much does Nicholas John Schlund, DO prescribe under Medicare Part D?
In 2024, Nicholas John Schlund, DO had 34 Medicare Part D claims for 11 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.