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

ZAIN NAYANI DO, MPH
NPI 1902489172
Internal Medicine - Addiction Medicine in Winfield, IL

Active since May 04, 2021PECOS Enrolled
27W350 HIGH LAKE RD, WINFIELD, IL 60190(630) 933-4970(630) 933-1935 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 3, 2026, Jun 18, 2024, Apr 26, 2024 and 2 more (5 updates tracked since 2021).

About Zain Nayani Do, Mph NPPES

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

ZAIN NAYANI DO, MPH (NPI 1902489172) is an individual addiction medicine provider in Winfield, Illinois, licensed in Illinois (036168972) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2021).

NPPES Registry Identity

NPI1902489172
Entity TypeIndividualMale
Primary Taxonomy207RA0401X
Provider Legal NameZAIN NAYANICredential: DO, MPH
Location Address27W350 HIGH LAKE RDWinfield, IL 60190-1262
Mailing Address27w350 High Lake RdWinfield, IL 60190-1262 · (630) 933-4970 · Fax (630) 933-1935
Phone(630) 933-4970
Fax(630) 933-1935
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2021
Enumeration DateMay 4, 2021
Last NPPES UpdateSeptember 3, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1902489172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
License✔ Licensed in IL · 036168972
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036168972 (IL)
Also ListedGeneral PracticeTaxonomy 208D00000X · License 036168972 (IL)
27W350 HIGH LAKE RD, Winfield, IL 60190
Open in Google Maps ↗

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

Zain Nayani Do, Mph 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 ID1456752948
PECOS Enrollment IDI20250520001440
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.

Hospital Affiliations CMS Care Compare 2

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140063
Location520 S Maple AveOak Park, IL 60304 · Cook County
Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140119
Location1653 West Congress ParkwayChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60190 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 10

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

KELLY MARIE POWELL LCPC
Counselor (Mental Health)
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-3033
MR. JOHN RODNEY SKOCZ LCPC, CAADC
Counselor (Professional)
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-4673
PAULINE K. WIENER, M.D., S.C.
Psychiatry & Neurology (Geriatric Psychiatry)
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 682-2746
BEHAVIORAL MEDICINE AND CONSULTING PC
Psychiatry & Neurology (Psychiatry)
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-4607
KELLI L HARKEY NP-C
Nurse Practitioner
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-4000
MS. MARY BETH MULLENHOLZ LPC
Counselor (Mental Health)
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-3519
MRS. LINDA RAMAGE LCPC
Counselor (Mental Health)
27W350 HIGH LAKE RD, 207
WINFIELD, IL 60190
Dupage County (630) 730-3168
MS. JOMOLE J KADIAMPALLY APRN, CNP
Nurse Practitioner
27W350 HIGH LAKE RD
WINFIELD, IL 60190
Dupage County (630) 933-4000

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 Zain Nayani's NPI number?

The NPI number for Zain Nayani is 1902489172. It was assigned to this individual provider in the NPPES registry on May 4, 2021.

Where is Zain Nayani located?

Zain Nayani practices at 27w350 High Lake Rd, Winfield, IL 60190. The listed phone number is (630) 933-4970.

What is Zain Nayani's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Is Zain Nayani enrolled in Medicare?

Yes. Zain Nayani 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 Zain Nayani affiliated with any hospitals?

According to CMS data, Zain Nayani is affiliated with Rush Oak Park Hospital and Rush University Medical Center.

When was this NPI record last updated?

The NPPES record for Zain Nayani was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.