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DAVID A VERMYLEN MD SC
NPI 1760123236
Internal Medicine in Chicago, IL

Active since April 06, 2022
200 S MICHIGAN AVE STE 1400, CHICAGO, IL 60604(312) 922-3815(312) 922-7449 Get Directions Write a Review

NPPES record last updated: April 6, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About David A Vermylen Md Sc NPPES

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

DAVID A VERMYLEN MD SC (NPI 1760123236) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since April 2022. The organization lists Barbara Evans, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1760123236
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDAVID A VERMYLEN MD SC
Location Address200 S MICHIGAN AVE STE 1400Chicago, IL 60604-2426
Mailing Address200 S Michigan Ave Ste 1400Chicago, IL 60604-2426 · (312) 922-3815 · Fax (312) 922-7449
Phone(312) 922-3815
Fax(312) 922-7449
Organization SubpartNo
Authorized OfficialBarbara EvansBilling Manager · (630) 285-1530
Enumeration DateApril 6, 2022
NPPES CertifiedApril 6, 2022
✔ NPI 1760123236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
200 S MICHIGAN AVE STE 1400, Chicago, IL 60604
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David A Vermylen Md Sc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to David A Vermylen MD Sc, which bills Medicare for the services this clinician delivers.

Clinician (1)

David Vermylen, M.D.
Internal Medicine
NPI 1467773986
200 S MICHIGAN AVE SUITE 805
Chicago, IL 60604
(312) 922-3815
✔ PECOS✔ Accepts MedicareSame address

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David A Vermylen MD Sc's NPI number?

The NPI number for David A Vermylen MD Sc is 1760123236. It was assigned to this organization in the NPPES registry on April 6, 2022.

Where is David A Vermylen MD Sc located?

David A Vermylen MD Sc is located at 200 S Michigan Ave Ste 1400, Chicago, IL 60604. The listed phone number is (312) 922-3815.

What is David A Vermylen MD Sc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is David A Vermylen MD Sc enrolled in Medicare?

Yes. David A Vermylen MD Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David A Vermylen MD Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to David A Vermylen MD Sc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for David A Vermylen MD Sc was last updated on April 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.