1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Specialist
  6. NPI Profile

MRS. MARGARET ISELY DAUPHIN-VAN DYK M.D.
NPI 1801852926
Specialist in Chicago, IL

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment
2800 N SHERIDAN RD STE 406, CHICAGO, IL 60657(312) 201-0044(773) 697-4628 Get Directions Write a Review

NPPES record last updated: August 31, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Margaret Isely Dauphin-van Dyk M.d. NPPES

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

MRS. MARGARET ISELY DAUPHIN-VAN DYK M.D. (NPI 1801852926) is an individual specialist in Chicago, Illinois, licensed in Illinois (036059705) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and is a graduate of Other (1978).

NPPES Registry Identity

NPI1801852926
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameMRS. MARGARET ISELY DAUPHIN-VAN DYKCredential: M.D.
Location Address2800 N SHERIDAN RD STE 406Chicago, IL 60657-6158
Mailing Address2738 Lincoln StreetEvanston, IL 60201-2043 · (847) 869-7159
Phone(312) 201-0044
Fax(773) 697-4628
Sole ProprietorYes
Medical School CMSOtherGraduated 1978
Enumeration DateApril 26, 2006
Last NPPES UpdateAugust 31, 2022
NPPES CertifiedAugust 31, 2022
✔ NPI 1801852926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in IL · 036059705
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2800 N SHERIDAN RD STE 406, Chicago, IL 60657
Open in Google Maps ↗

Other Identifiers 1

Medicaid036059705IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Margaret Isely Dauphin-van Dyk M.d. 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 ID8325017320
PECOS Enrollment IDI20040927001011
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
103 services29 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
54 services29 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presence Saint Francis Hospital

Acute Care Hospitals · Evanston, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140080
Location355 Ridge AveEvanston, IL 60202 · Cook County
Emergency services

Presence Saint Joseph Hospital - Chicago

Acute Care Hospitals · Chicago, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140224
Location2900 North Lake Shore DriveChicago, IL 60657 · Cook County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.44 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$61.89 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

MARGARET I. DAUPHIN-VAN DYK M.D., S.C.
Internal Medicine
2800 N SHERIDAN RD STE 406
CHICAGO, IL 60657
Cook County (312) 201-0044

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 Margaret Dauphin-van Dyk's NPI number?

The NPI number for Margaret Dauphin-van Dyk is 1801852926. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Margaret Dauphin-van Dyk located?

Margaret Dauphin-van Dyk practices at 2800 N Sheridan Rd Ste 406, Chicago, IL 60657. The listed phone number is (312) 201-0044.

What is Margaret Dauphin-van Dyk's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Margaret Dauphin-van Dyk enrolled in Medicare?

Yes. Margaret Dauphin-van Dyk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Margaret Dauphin-van Dyk affiliated with any hospitals?

According to CMS data, Margaret Dauphin-van Dyk is affiliated with Presence Saint Francis Hospital and Presence Saint Joseph Hospital - Chicago.

When was this NPI record last updated?

The NPPES record for Margaret Dauphin-van Dyk was last updated on August 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.