MRS. SYDNEY HADLEY DO
NPI 1346982634
Internal Medicine in Oak Lawn, IL

Active since April 08, 2022PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-8000 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mrs. Sydney Hadley Do NPPES

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

MRS. SYDNEY HADLEY DO (NPI 1346982634) is an individual internal medicine provider in Oak Lawn, Illinois, licensed in Illinois (036.175126) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Wabash General Hospital 1, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1346982634
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMRS. SYDNEY HADLEYCredential: DO
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address1418 College DrMount Carmel, IL 62863-2638 · (618) 262-8261
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 8, 2022
Last NPPES UpdateAugust 19, 2025
NPPES CertifiedAugust 12, 2025
NPI 1346982634 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 · 036.175126
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.

4440 W 95TH ST, Oak Lawn, IL 60453

Other Names 1

Other Name (5)Ms. Sydney Shan Do

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. Sydney Hadley Do 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 ID2860996691
PECOS Enrollment IDI20250916002669
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

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

Wabash General Hospital 1

Critical Access Hospitals · Mount Carmel, IL
OwnershipGovernment - Hospital District or Authority
CMS Certification Number141327
Location1418 College DriveMount Carmel, IL 62863 · Wabash County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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.

Pediatrics (Pediatric Gastroenterology)
4440 W 95TH ST
OAK LAWN, IL 60453
Internal Medicine (Infectious Disease)
4440 W 95TH ST
OAK LAWN, IL 60453
Physical Medicine & Rehabilitation
4440 W 95TH ST, EMG LAB, ROOM 042 SOUTH
OAK LAWN, IL 60453
Pediatrics (Pediatric Cardiology)
4440 W 95TH ST
OAK LAWN, IL 60453
Pediatrics (Pediatric Cardiology)
4440 W 95TH ST
OAK LAWN, IL 60453
Radiology (Radiation Oncology)
4440 W 95TH ST
OAK LAWN, IL 60453
Radiology (Radiation Oncology)
4440 W 95TH ST
OAK LAWN, IL 60453
Radiology (Radiation Oncology)
4440 W 95TH ST
OAK LAWN, IL 60453

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346982634, enumerated as an "individual" on April 08, 2022.

The provider is located at 4440 W 95TH ST OAK LAWN, IL 60453 and the phone number is (708) 684-8000.

Internal Medicine with taxonomy code 207R00000X.

Sydney Hadley is affiliated with: WABASH GENERAL HOSPITAL 1.