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

ADAM LAWRENCE ZACK
NPI 1568048015
Internal Medicine - Critical Care Medicine in Oak Lawn, IL

Q: What is Adam Zack's NPI number?

The NPI number for Adam Zack is 1568048015. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Q: What is Adam Zack's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Adam Zack was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 23, 2021PECOS Enrolled

4440 W 95TH ST STE AIP, OAK LAWN, IL 60453(708) 283-5500 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 26, 2026, Mar 23, 2021 (2 updates tracked since 2021).

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About Adam Lawrence Zack NPPES

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

ADAM LAWRENCE ZACK (NPI 1568048015) is an individual critical care medicine provider in Oak Lawn, Illinois, licensed in Illinois (036166835) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Mt Sinai Hospital Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1568048015

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameADAM LAWRENCE ZACK

Location Address4440 W 95TH ST STE AIPOak Lawn, IL 60453-2600

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757

Phone(708) 283-5500

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2021

Enumeration DateMarch 23, 2021

Last NPPES UpdateAugust 26, 20262 updates tracked since enumeration

NPPES CertifiedAugust 26, 2026

✔ NPI 1568048015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in IL · 036166835

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 036166835 (IL)

4440 W 95TH ST STE AIP, Oak Lawn, IL 60453

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Secondary Practice Location 1

Location 17435 W Talcott AveChicago, IL 60631-3707 · Phone (773) 990-7921

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

Adam Lawrence Zack 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 ID3375992100

PECOS Enrollment IDI20231205003584

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 3

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

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140018

Location1500 S Fairfield AveChicago, IL 60608 · Cook County

Emergency services Birthing friendly

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140133

Location2701 W 68th StreetChicago, IL 60629 · Cook County

Emergency services

Community First Medical Center

Acute Care Hospitals · Chicago, IL

1/5 CMS rating

OwnershipProprietary

CMS Certification Number140251

Location5645 W Addison StreetChicago, IL 60634 · Cook 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 6

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

DR. DANIEL MARCOS GONZALEZ MD

Internal Medicine (Critical Care Medicine)