Individual provider Active NPI

Ummarah Jaffar, MD

  • Internal Medicine Physician
  • McHenry, IL
National Provider Identifier
1992455653
Registry record updated Jul 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125079891 Issued in IL
Practice address
4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone
(814) 344-5000
NPI assigned
Mar 25, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 036175925 IL
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 125079891 IL Primary

Addresses

Primary practice location

4201 W Medical Center Dr
McHenry, IL 60050-8409

Mailing address

4201 W Medical Center Dr
McHenry, IL 60050-8409
Phone (814) 344-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250812001516 IL Practitioner - Hospitalist 4486183472 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

4201 W Medical Ctr Dr
McHenry, IL 60050-8409
Phone (815) 759-4323

Hospital & facility affiliations

  • Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116
  • Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130
  • Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036175925ILMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwestern Medical Faculty Foundation CurrentSince Aug 1, 2025 Accepting new patients
Northwestern Medical Faculty Foundation CurrentSince Aug 1, 2025 Accepting new patients

Locations

Dept 5777
Carol Stream, IL 60122

Carol Stream, IL 60122
Phone (630) 933-3300

660 N Westmoreland Rd
#302
Lake Forest, IL 60045

4201 W Medical Center Dr
McHenry, IL 60050
Phone (815) 759-3100

515 Valley View Dr
Ste 201
Moline, IL 61265
Phone (312) 695-0870

Interoperability endpoints

  • Direct secure messaging: ummarah.jaffar.1@3569.direct.athenahealth.com

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1648166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753920000000",
    "number": "1992455653",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "814-344-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4201 W MEDICAL CENTER DR",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508409",
            "telephone_number": "814-344-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JAFFAR",
        "first_name": "UMMARAH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-25",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036175925",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125079891",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.