Nicholas Schlund, DO
NPI 1962965269 · Pulmonary Disease Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Schlund, DO is a Pulmonary Disease Physician provider in Naperville, IL (NPI 1962965269).
Provider details
- NPI number
- 1962965269
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R3122 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$399 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 3601 S 6th AveTucson, AZ 85723-0001Phone: (520) 629-1836
- 1501 N Campbell Ave Rm 6336Tucson, AZ 85724-0001Phone: (520) 626-8818Fax: (520) 626-6020
- 4502 Medical DrSan Antonio, TX 78229-4402Phone: (210) 358-4000
Registry dates
- Enumerated
- 2019-04-12
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Nicholas Schlund's NPI number?
- Nicholas Schlund's National Provider Identifier (NPI) is 1962965269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Schlund's specialty?
- Nicholas Schlund is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Schlund located?
- Nicholas Schlund's practice location on file with NPPES is 100 Spalding Dr., Naperville, IL 60540-6552.
- What is Nicholas Schlund's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Schlund is (630) 355-8776.
- Does Nicholas Schlund accept Medicare?
- Nicholas Schlund is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Schlund's NPI active?
- Yes — Nicholas Schlund's NPI (1962965269) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.