ASEM HASAN WERDI (M.D.) – Hospitalist Physician, NPI 1588953038

ASEM HASAN WERDI (M.D.) is a healthcare provider. based in Oak lawn, Illinois. specializing in HOSPITALIST, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 036-133821 (IL). The NPI Number for ASEM HASAN WERDI (M.D.) is 1588953038

Main info

Male
16 Years Of Experience
Accepts Medicare Assignment
Name
ASEM HASAN WERDI (M.D.)
NPI
1588953038
Phone
(708) 684-5673
Address
4440 W 95TH ST
Enumeration Date
6 April 2011
Last Update Date
12 May 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7084221363
Graduation Year
2010 (16 years ago)
PAC ID
1254654692
Group Practice PAC ID
6204986912
Professional Enrollment ID
I20141216001572
Address ID
IL608052409EV2955XSTXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience58
Completeness75
Years active:15State licenses:2Digital endpointsOther names

2,390 HOSPITALIST in IL

Provider Addresses for ASEM HASAN WERDI (M.D.)

  • 4440 W 95TH ST

    OAK LAWN, IL 604532600

    Phone: (708) 684-5673

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 34 Open Payments records for all available years, with a total value of $719.

Total Amount is formed as General ($719) + Research ($0) + Ownership ($0) = $719.

Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($177).

Total Amount

$719

General + Research + Ownership

Payments

34

Total payment records

General Amount

$719

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-04

Latest reported date

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: 2014-12-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Past revalidation due date

Earliest CMS due date was 2023-12-31 (890 days ago).

Enrollment records

1

Earliest due date

2023-12-31

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
I20141216001572IHospitalistIL2023-12-31

What to do next

  • Verify current status on the CMS Revalidation Lookup Tool immediately.
  • Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
  • Overdue revalidation can lead to deactivation of Medicare billing privileges.

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
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes2,547324$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes988214$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes200170$0
99214Established patient office or other outpatient visit, 30-39 minutes181102$0
99305Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes138120$0
View full utilization report →

Insurance plans in this area (ZIP 60453)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6204986912View full group profile
NameSpecialtyState
Internal MedicineIL
Nurse PractitionerIL
Nurse PractitionerIL

Reviews

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Frequently asked questions

How do payers reference ASEM HASAN WERDI (M.D.)?
For ASEM HASAN WERDI (M.D.), use NPI 1588953038 as the unique 10-digit identifier.
Is ASEM HASAN WERDI (M.D.) still an active registrant?
ASEM HASAN WERDI (M.D.) carries an active NPI according to the public dataset.
What expertise is attributed to ASEM HASAN WERDI (M.D.)?
ASEM HASAN WERDI (M.D.)'s specialty line reads Hospitalist Physician. Clinical services aligned with this taxonomy classification.
Is ASEM HASAN WERDI (M.D.) located near Oak Lawn?
ASEM HASAN WERDI (M.D.) currently maps to Oak Lawn, Illinois in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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