Individual provider Active NPI

Umber Ahmad, DO

  • Rheumatology Physician
  • McHenry, IL
National Provider Identifier
1083957153
Registry record updated Aug 21, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
036162396 Issued in IL
Practice address
4119 W Shamrock LN
McHenry, IL 60050-8268
Phone
(815) 398-9491
Fax
(815) 381-7498
NPI assigned
Mar 27, 2013
Last updated
Aug 21, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 036162396 IL Primary

Addresses

Primary practice location

4119 W Shamrock LN
McHenry, IL 60050-8268

Mailing address

PO Box 735263
Chicago, IL 60673-5263

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, CA, IL3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20180907000242 WI Practitioner - RheumatologyPractitioner - Internal Medicine 1557599941 Reassigns benefits to 2 organizations
I20210114002103 CA Practitioner - RheumatologyPractitioner - Internal Medicine 1557599941 Reassigns benefits to 1 organization
I20230907001960 IL Practitioner - Internal MedicinePractitioner - Rheumatology 1557599941 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mercy Health System CorporationGroup PAC ID 7416860440, shared by 14 NPIs, 749 clinicians

Practice addresses (Care Compare)

3524 E Milwaukee St
Janesville, WI 53546-1626
Phone (608) 756-7100

875 S Route 31
Crystal Lake, IL 60014-8190
Phone (779) 220-5500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036162396ILMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orthomidwest, PLLC CurrentSince Sep 23, 2023 Accepting new patients
Rockford Health Physicians CurrentSince Feb 26, 2025 Accepting new patients
Permanente Medical Group Inc CurrentSince Oct 13, 2020 Accepting new patients
Mercy Health System Corporation Current Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Baycare Aurora, LLC CurrentSince Apr 4, 2022 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Apr 4, 2022 Accepting new patients
Orthomidwest, PLLC CurrentSince Sep 23, 2023 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Apr 4, 2022 Accepting new patients
Permanente Medical Group, Inc CurrentSince Oct 13, 2020 Accepting new patients
Mercy Health System Corporation CurrentSince Aug 6, 2018 Accepting new patients
Mercy Health System Corporation CurrentSince Aug 6, 2018 Accepting new patients
Orthomidwest, PLLC Rheumatology Current Accepting new patients

Locations (25 of 30)

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

2500 Merced St
San Leandro, CA 94577
Phone (510) 454-1000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

770 Beloit Rd
Belvidere, IL 61008
Phone (815) 847-7060

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

875 S State Route 31
Crystal Lake, IL 60014
Phone (779) 220-5500

348 S Division St
Harvard, IL 60033
Phone (815) 943-1122

901 Grant St
Harvard, IL 60033
Phone (815) 943-2961

4119 W Shamrock Ln
McHenry, IL 60050
Phone (815) 344-1611

2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510

8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066

2253 W Mason St
Green Bay, WI 54303
Phone (920) 327-7000

2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388

Interoperability endpoints

  • Direct secure messaging: uahmad53634@direct.mhemail.org

Organizations & group practices 14

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

View all 14

Hospital & facility affiliations 5

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": "1364342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1692576000000",
    "number": "1083957153",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735263",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735263"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4119 W SHAMROCK LN",
            "city": "MCHENRY",
            "state": "IL",
            "postal_code": "600508268",
            "telephone_number": "815-398-9491",
            "fax_number": "815-381-7498"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AHMAD",
        "first_name": "UMBER",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-03-27",
        "last_updated": "2023-08-21",
        "certification_date": "2023-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IL",
            "license": "036162396",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in McHenry, IL

Sources for this page

Verify at the official NPI Registry.