DR. OSSAMA HOSNEY ZORUB (M.D.) – Hospitalist Physician, NPI 1891769303

DR. OSSAMA HOSNEY ZORUB (M.D.) is a healthcare provider. based in Chicago, Illinois. specializing in INTERNAL MEDICINE, HOSPITALIST. They hold the professional credentials M.D.. They hold a License No. 036-092465 (IL). The NPI Number for DR. OSSAMA HOSNEY ZORUB (M.D.) is 1891769303

Main info

Male
Sole Proprietor
36 Years Of Experience
Accepts Medicare Assignment
Name
DR. OSSAMA HOSNEY ZORUB (M.D.)
NPI
1891769303
Phone
(773) 646-9800
Address
3550 E 118th St
Enumeration Date
14 February 2006
Last Update Date
1 October 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7089073422
Graduation Year
1990 (36 years ago)
PAC ID
4789699612
Professional Enrollment ID
I20061020000100
Address ID
IL604659909PA11164HWYX301
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience68
Completeness75
Years active:20State licenses:2Digital endpointsOther names

8,824 INTERNAL MEDICINE in IL

Provider Addresses for DR. OSSAMA HOSNEY ZORUB (M.D.)

  • 3550 E 118th St

    Chicago, IL 606177314

    Phone: (773) 646-9800

    Fax: (773) 646-9801

    Type: Location

  • 1201 S Main Street

    Crown Point, IN 463077314

    Phone: (219) 757-6104

    Type: Location

  • 1910, Michigan Box Company, Detroit, Wayne County, Michigan, 48211, United States

    DETROIT, MI 482781076

    Phone: (317) 528-4800

    Fax: (317) 865-1479

    Type: Mailing

  • Franciscan Health Michigan City, 3500, Franciscan Way, Michigan City, LaPorte County, Indiana, 46360, United States

    MICHIGAN CITY, IN 46360

    Phone: (219) 879-8511

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 46 Open Payments records for all available years, with a total value of $934.

Total Amount is formed as General ($934) + Research ($0) + Ownership ($0) = $934.

Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Amgen Inc. ($290).

Total Amount

$934

General + Research + Ownership

Payments

46

Total payment records

General Amount

$934

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-16

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-10-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20061020000100IInternal MedicineILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99439Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month1,305109$0
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month903109$0
99214Established patient office or other outpatient visit, 30-39 minutes459112$0
36410Insertion of needle into vein (3 years or older)246100$0
99212Established patient office or other outpatient visit, 10-19 minutes21291$0
View full utilization report →

Insurance plans in this area (ZIP 60617)

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Reviews

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Frequently asked questions

How do payers reference DR. OSSAMA HOSNEY ZORUB (M.D.)?
For DR. OSSAMA HOSNEY ZORUB (M.D.), use NPI 1891769303 as the unique 10-digit identifier.
Is DR. OSSAMA HOSNEY ZORUB (M.D.) still an active registrant?
DR. OSSAMA HOSNEY ZORUB (M.D.) carries an active NPI according to the public dataset.
How would a patient describe DR. OSSAMA HOSNEY ZORUB (M.D.)'s focus?
For DR. OSSAMA HOSNEY ZORUB (M.D.), the primary taxonomy reads as Hospitalist Physician. Clinical services aligned with this taxonomy classification.
Is DR. OSSAMA HOSNEY ZORUB (M.D.) located near Chicago?
DR. OSSAMA HOSNEY ZORUB (M.D.) currently maps to Chicago, Illinois in this extract.
What does 4 location(s) imply?
4 practice locations appear in the available data.

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