HASAN N. ABAD D.O.
NPI 1356872006
Hospitalist in Chicago, IL

Q: What is Hasan Abad's NPI number?

The NPI number for Hasan Abad is 1356872006. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Q: What is Hasan Abad's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Hasan Abad was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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 24, 2017PECOS EnrolledAccepts Medicare Assignment

836 W WELLINGTON AVE, CHICAGO, IL 60657(773) 296-5435 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2026, Oct 6, 2022, Dec 20, 2021 and 3 more (6 updates tracked since 2017).

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About Hasan N. Abad D.o. NPPES

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

HASAN N. ABAD D.O. (NPI 1356872006) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036154676) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and maintains a secondary practice location in Kenosha.

NPPES Registry Identity

NPI1356872006

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameHASAN N. ABADCredential: D.O.

Location Address836 W WELLINGTON AVEChicago, IL 60657-5147

Mailing Address29373 Network PlChicago, IL 60673-5147 · (847) 390-5900

Phone(773) 296-5435

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateMarch 24, 2017

Last NPPES UpdateMay 19, 20266 updates tracked since enumeration

NPPES CertifiedMay 19, 2026

✔ NPI 1356872006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

Licenses✔ Licensed in IL · 036154676✔ Licensed in WI · 81147

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036-154676 (IL)

836 W WELLINGTON AVE, Chicago, IL 60657

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Secondary Practice Location 1

Location 110400 75th StKenosha, WI 53142-7884 · Phone (262) 948-5600

Other Identifiers 1

Medicaid100237700WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare).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

Hasan N. Abad D.o. 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 ID4284905324

PECOS Enrollment IDI20210902000382

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

435 services146 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

138 services129 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

133 services123 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

41 services19 patients

Hospital Affiliations CMS Care Compare

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

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140182

Location836 West Wellington AvenueChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60657 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.

DR. ROBERT R TURELLI JR. MD

Emergency Medicine

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-5878

JAYME L. CAPPA

Speech-Language Pathologist

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-7988

DR. CHIMUANYA OKOLI MD

Internal Medicine (Sleep Medicine)

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-5424

DEBRA FARIDA

Nurse Anesthetist, Certified Registered

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 975-1600

MALIK SAHOURI DO

Anesthesiology

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-5187

SERGIO GUTIERREZ NUNEZ MD

Anesthesiology

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-5187

MS. NOREEN MARIE SHERIDAN RD. LDN,CDE

Dietitian, Registered

836 W WELLINGTON AVE, FOOD AND NUTRITION DEPT.
CHICAGO, IL 60657

Cook County (773) 296-5912

ANN M HARVEY APN, CNP

Nurse Practitioner

836 W WELLINGTON AVE
CHICAGO, IL 60657

Cook County (773) 296-3646

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 Hasan Abad's NPI number?

The NPI number for Hasan Abad is 1356872006. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Hasan Abad located?

Hasan Abad practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 296-5435.

What is Hasan Abad's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Hasan Abad enrolled in Medicare?

Yes. Hasan Abad 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 Hasan Abad accept?

Health plans from Aspirus Health Plan and CareSource (Common Ground Healthcare) list Hasan Abad 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 Hasan Abad affiliated with any hospitals?

According to CMS data, Hasan Abad is affiliated with Advocate Illinois Masonic Medical Center.

When was this NPI record last updated?

The NPPES record for Hasan Abad was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.