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Contact Information

SYED O HASSAN, MD
3922 MERCY DR
MCHENRY, IL60050-3179
 Phone: 815-344-4499
 Fax: 815-344-4779
 Website:
 

Specialty

Taxonomy Code Specialty Code Provider Type

Family Medicine

207Q00000X 08 Physician/Family Practice
 

Geriatric Medicine

207QG0300X 08 Physician/Family Practice
 

Urgent Care

261QU0200X
Indicates primary specialty

NPI Profile & details for SYED O HASSAN · (Male)

NPI # 1063637544
Status Active
Credentials MD
Entity Individual
Enumeration date 04/17/2007
Last updated 05/12/2026 - About a month ago
Sole proprietor 1 No
Identifiers
  • IL License # 036133790
  • OH License # 57012414
Hospital affiliation(s)
  • CENTEGRA HEALTH SYSTEM - MC HENRY HOSPITAL - (Acute Care)
    4201 MEDICAL CENTER DRIVE
    MCHENRY, IL 60050
  • MERCY HARVARD HOSPITAL - (Critical Access)
    901 GRANT STREET
    HARVARD, IL 60033
  • MERCY HEALTH SYS CORP - (Acute Care)
    1000 MINERAL POINT AVE
    JANESVILLE, WI 53548
1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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