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

MARYAM B HAIDER MD
NPI 1912561275
Internal Medicine - Gastroenterology in Evanston, IL

Active since April 23, 2019PECOS Enrolled
2650 RIDGE AVE STE 1304, EVANSTON, IL 60201(847) 570-2700(847) 570-2822 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 13, 2026, Jun 12, 2023, Jul 13, 2022 and 1 more (4 updates tracked since 2019).

About Maryam B Haider Md NPPES

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

MARYAM B HAIDER MD (NPI 1912561275) is an individual gastroenterology provider in Evanston, Illinois, licensed in Illinois (036.163761) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1912561275
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameMARYAM B HAIDERCredential: MD
Location Address2650 RIDGE AVE STE 1304Evanston, IL 60201-1700
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Fax(847) 570-2822
Sole ProprietorNo
Enumeration DateApril 23, 2019
Last NPPES UpdateOctober 13, 20264 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1912561275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036.163761
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301507862 (MI)
2650 RIDGE AVE STE 1304, Evanston, IL 60201

Other Names 1

Former Name (1)Maryam Rashid

Secondary Practice Locations 3

Location 16071 W Outer Dr Dept OfDetroit, MI 48235-2624 · Phone (313) 966-1003
Location 26071 W Outer DrDetroit, MI 48235-2624 · Phone (313) 966-1003 · Fax (313) 966-1738
Location 310390 Haligus Rd Ste KHuntley, IL 60142-0240 · Phone (847) 535-6083 · Fax (815) 759-6284

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maryam B Haider Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Maryam Haider reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group

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 60201 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Family Medicine
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Internal Medicine
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201
Student in an Organized Health Care Education/Training Program
2650 RIDGE AVE STE 1304
EVANSTON, IL 60201

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 Maryam Haider's NPI number?

The NPI number for Maryam Haider is 1912561275. It was assigned to this individual provider in the NPPES registry on April 23, 2019. The provider is also known as Maryam Rashid.

Where is Maryam Haider located?

Maryam Haider practices at 2650 Ridge Ave Ste 1304, Evanston, IL 60201. The listed phone number is (847) 570-2700.

What is Maryam Haider's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Maryam Haider enrolled in Medicare?

Yes. Maryam Haider is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maryam Haider's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maryam Haider reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). The 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 Maryam Haider's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maryam Haider was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.