HASAN N. ABAD D.O. – NPI #1356872006
Hospitalist

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.

Health Care Provider Taxonomy Code for Hospitalist

HASAN ABAD is a hospitalist located in CHICAGO, IL. NPPES has assigned the NPI number 1356872006 to HASAN ABAD on March 24, 2017. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 208M00000X from the Health Care Provider Taxonomy code set, which is classified as Hospitalist.

The NPI profile was last updated on May 19, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for HASAN ABAD below.

NPI Profile for
HASAN N. ABAD

NPI Number
1356872006
Enumeration Date

(more than 9 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
HASAN N. ABAD
Credentials
D.O.
Primary location
836 W WELLINGTON AVE
CHICAGO, IL 60657-5147
Phone: (773) 296-5435 Fax:
1 Other location(s):
10400 75th St
Kenosha, WI 53142-7884
Phone: (262) 948-5600
Mailing address
29373 NETWORK PL
CHICAGO, IL 60673-5147
Phone: (847) 390-5900 Fax:
Sole Proprietor
Yes
Updated
Certification Date
May 19, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for HASAN ABAD

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidWI100237700
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
208M00000X
- Hospitalist (Primary)		 WI 81147
207R00000X
- Internal Medicine		 IL 036-154676

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service
Endpoint type
CONNECT URL
Endpoint Description
2.16.840.1.113883.3.667.2
Content Type
CSV
Affiliation
Y
Endpoint Location
64 S PRICE RD STE B,
BROWNSVILLE, TX 77025-1669
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
836 W WELLINGTON AVE,
CHICAGO, IL 77025-1669
Endpoint
https://epicfhir.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
836 W WELLINGTON AVE,
CHICAGO, IL 77025-1669

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
HASAN ABAD is affiliated with the following medical group(s):
  • HOSPITAL
    • ADVOCATE ILLINOIS MASONIC MEDICAL CENTER
      836 WEST WELLINGTON AVENUE
      CHICAGO, IL 60657
  • HOSPICE
    • ADVOCATE HOSPICE
      2000 SPRINGER DRIVE
      LOMBARD, IL 60148

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.