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FAIRVIEW OGDEN MEDICAL GROUP LTD.
NPI 1962683359
Internal Medicine in Downers Grove, IL

Active since November 14, 2007CLIA 14D0982074 · Waiver
4121 FAIRVIEW AVE STE L1, DOWNERS GROVE, IL 60515(630) 968-4790(630) 968-8755 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Fairview Ogden Medical Group Ltd. NPPES

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

FAIRVIEW OGDEN MEDICAL GROUP LTD. (NPI 1962683359), doing business as Fairview Ogden Medical Group, is a healthcare organization registered as an internal medicine in Downers Grove, Illinois and active in the NPI registry since November 2007. The organization holds a CLIA Waiver certificate valid through January 15, 2027 and lists Zainulabuddin Syed, Owner, as its authorized official.

NPPES Registry Identity

NPI1962683359
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameFAIRVIEW OGDEN MEDICAL GROUP LTD.
Location Address4121 FAIRVIEW AVE STE L1Downers Grove, IL 60515-2265
Mailing Address4121 Fairview Ave Ste L1Downers Grove, IL 60515-2265 · (630) 968-4790 · Fax (630) 968-8755
Phone(630) 968-4790
Fax(630) 968-8755
Organization SubpartNo
Authorized OfficialZainulabuddin SyedOwner · (630) 968-4790
Enumeration DateNovember 14, 2007
Last NPPES UpdateMarch 2, 2026
NPPES CertifiedMarch 2, 2026
✔ NPI 1962683359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036-091132
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.
4121 FAIRVIEW AVE STE L1, Downers Grove, IL 60515
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Other Names 1

Doing Business AsFairview Ogden Medical Group

Other Identifiers 2

Medicaid036091132IL
Other1609876424Individual Npi

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Fairview Ogden Medical Group Ltd. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Fairview Ogden Medical Group Ltd., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Zainulabuddin Syed, M.D.
Internal Medicine
NPI 1609876424
4121 FAIRVIEW AVE STE L1
Downers Grove, IL 60515
(630) 968-4790
✔ PECOS✔ Accepts MedicareSame address
Ravikiran Tamragouri, MD
Internal Medicine
NPI 1831207430
1909 OGDEN AVE
Downers Grove, IL 60515
(630) 241-1616
✔ PECOS✔ Accepts Medicare2.0 mi
Abdul-Bari Syed, D.O.
Internal Medicine
NPI 1740493063
725 AMERICAN AVE RM 2036 PROHEALTH CARE HOSPITALIST PROGRAM
Waukesha, WI 53188
(262) 928-5400
✔ PECOS84 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D0982074

Fairview Ogden Medical Group · Downers Grove, IL
Active · expires Jan 15, 2027
CLIA Number14D0982074
Laboratory TypePhysician Office
Certificate Effective DateJanuary 16, 2025
Certificate Expiration DateJanuary 15, 2027
Laboratory DirectorZainulabuddin Syed MD
Laboratory Phone(630) 968-4790
Laboratory LocationFairview Ogden Medical Group4121 Fairview Avenue Suite L1, Downers Grove, IL 60515
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Fairview Ogden Medical Group Ltd.'s NPI number?

The NPI number for Fairview Ogden Medical Group Ltd. is 1962683359. It was assigned to this organization in the NPPES registry on November 14, 2007. The provider is doing business as Fairview Ogden Medical Group.

Where is Fairview Ogden Medical Group Ltd. located?

Fairview Ogden Medical Group Ltd. is located at 4121 Fairview Ave Ste L1, Downers Grove, IL 60515. The listed phone number is (630) 968-4790.

What is Fairview Ogden Medical Group Ltd.'s specialty?

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

Is Fairview Ogden Medical Group Ltd. enrolled in Medicare?

Yes. Fairview Ogden Medical Group Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Fairview Ogden Medical Group Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Internal Medicine, reassign their Medicare billing to Fairview Ogden Medical Group Ltd.. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Fairview Ogden Medical Group Ltd. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0982074) is associated with this NPI, valid through January 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Fairview Ogden Medical Group Ltd. was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.