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NANZEEN SAYEF M.D.
NPI 1003827411
Internal Medicine in Chicago, IL

Active since August 10, 2006PECOS EnrolledAccepts Medicare Assignment
2535 S KING DR, CHICAGO, IL 60616(312) 842-7117 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nanzeen Sayef M.d. NPPES

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

NANZEEN SAYEF M.D. (NPI 1003827411) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036-083499) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1003827411
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNANZEEN SAYEFCredential: M.D.
Location Address2535 S KING DRChicago, IL 60616-4746
Mailing Address2311 W 22nd St, Suite 202Oak Brook, IL 60523-1225
Phone(312) 842-7117
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateAugust 10, 2006
Last NPPES UpdateDecember 16, 2021
NPPES CertifiedDecember 16, 2021
✔ NPI 1003827411 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 · 036-083499
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.
2535 S KING DR, Chicago, IL 60616
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

Nanzeen Sayef 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 ID6608061304
PECOS Enrollment IDI20101108000812
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 6

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.
172 services68 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.
96 services69 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
72 services52 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
64 services64 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
31 services31 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
31 services31 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60616 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.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers20 claims41 services$4.65 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
2 suppliers12 claims3,351 services$0.03 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 14

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

SHEHLA LASI-SIDDIQI M.D.
Internal Medicine
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 842-7117
DR. BENJAMIN GRUBER MD, PHD, FACS
Otolaryngology
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 842-7117
HEIDI SHARON BROOKENTHAL D.O.
Family Medicine
2535 S KING DR
CHICAGO, IL 60616
Cook County (708) 747-7960
MRS. MANYI JOELLE NFUNDOAK
Physician Assistant
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 842-7117
SARAH AUDREY COOK PA-C
Physician Assistant
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 842-7117
DR. LAURA NICOLE DEJULIA AUD
Audiologist
2535 S KING DR, MOD B
CHICAGO, IL 60616
Cook County (312) 606-0672
SHARI PALMER M.D.
Pediatrics
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 842-7117
SHARONY L BROWN RDN
Dietitian, Registered
2535 S KING DR
CHICAGO, IL 60616
Cook County (312) 674-2184

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 Nanzeen Sayef's NPI number?

The NPI number for Nanzeen Sayef is 1003827411. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Nanzeen Sayef located?

Nanzeen Sayef practices at 2535 S King Dr, Chicago, IL 60616. The listed phone number is (312) 842-7117.

What is Nanzeen Sayef's specialty?

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

Is Nanzeen Sayef enrolled in Medicare?

Yes. Nanzeen Sayef 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.

What insurance does Nanzeen Sayef accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Nanzeen Sayef as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nanzeen Sayef affiliated with any hospitals?

According to CMS data, Nanzeen Sayef is affiliated with Advocate Trinity Hospital and Advocate Christ Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Nanzeen Sayef was last updated on December 16, 2021. 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.