Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DYLAN J DOUGLAS MD
NPI 1902426026
Internal Medicine - Pulmonary Disease in Lake Forest, IL

Q: What is Dylan Douglas's NPI number?

The NPI number for Dylan Douglas is 1902426026. It was assigned to this individual provider in the NPPES registry on April 18, 2020.

Q: What is Dylan Douglas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Dylan Douglas was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 18, 2020PECOS EnrolledAccepts Medicare Assignment

1000 N WESTMORELAND RD # LEVEL1, LAKE FOREST, IL 60045(312) 695-1800(847) 535-7151 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2026, Aug 17, 2026, Apr 18, 2020 (3 updates tracked since 2020).

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About Dr. Dylan J Douglas Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DYLAN J DOUGLAS MD (NPI 1902426026) is an individual pulmonary disease provider in Lake Forest, Illinois, licensed in Illinois (036163698) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2020).

NPPES Registry Identity

NPI1902426026

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. DYLAN J DOUGLASCredential: MD

Location Address1000 N WESTMORELAND RD # LEVEL1Lake Forest, IL 60045-1658

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(312) 695-1800

Fax(847) 535-7151

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2020

Enumeration DateApril 18, 2020

Last NPPES UpdateSeptember 9, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1902426026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in IL · 036163698

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.075528 (IL)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 036163698 (IL)

1000 N WESTMORELAND RD # LEVEL1, Lake Forest, IL 60045

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Secondary Practice Location 1

Location 15841 S Maryland AveChicago, IL 60637-1443 · Phone (773) 702-1000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dylan J Douglas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941624563

PECOS Enrollment IDI20260820001182

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Dylan Douglas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation

25 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL J KELLER M.D.

Internal Medicine (Pulmonary Disease)