Individual provider Active NPI

William H Mollohan, D.O.

  • Internal Medicine Physician
  • Naperville, IL
National Provider Identifier
1720006919
Registry record updated Jul 9, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Practice address
535 Fairway Dr
Suite 107
Naperville, IL 60563-3938
Phone
(630) 548-5936
Fax
(630) 548-5940
NPI assigned
Jul 17, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X IL Primary

Addresses

Primary practice location

535 Fairway Dr
Suite 107
Naperville, IL 60563-3938

Mailing address

PO Box 245
Eola, IL 60519-0245
Phone (630) 548-5936

Other identifiers 1

IdentifierTypeStateIssuer
200236MedicaidIL

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: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040512001121 IL Practitioner - Internal Medicine 7618878463 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Oklahoma State University College of Osteopathic Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Beyond Wound Care IncGroup PAC ID 2365970092, 10 clinicians

Practice addresses (Care Compare)

1340 Remington Rd
Suite P
Schaumburg, IL 60173-4821
Phone (847) 873-8693

2112 W Galena Blvd
Aurora, IL 60506-3255
Phone (331) 454-1915

Hospital & facility affiliations

  • Advance Care Home Health, Inc Home health agency, Niles, IL, CCN 147866
  • Lincoln Home Health Care, Inc Home health agency, Rosemont, IL, CCN 148189
  • Healthcare Plus Corporation Home health agency, Rolling Meadows, IL, CCN 147738
  • Chicago Health, Inc Home health agency, Park Ridge, IL, CCN 147881
  • Hands and Heart Home Health, Inc Home health agency, Wilmette, IL, CCN 148220

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Removal of tissue134

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Regent Medical Specialists LLC Internal Medicine CurrentSince Jan 31, 2026 Accepting new patients
Beyond Wound Care Inc CurrentSince Dec 8, 2024 Accepting new patients
Alqaim Medical Associates Inc CurrentSince Jun 17, 2026 Accepting new patients
Excellent Medical Associates, P.C. CurrentSince Jul 1, 2023 Accepting new patients
Visiting Medical Physicians Inc CurrentSince Jan 16, 2025 Accepting new patients
CGH Medical Center Past Accepting new patients
Vitae Health Medical Illinois, PLLC Internal Medicine Past Accepting new patients

Locations

2112 W Galena Blvd
Aurora, IL 60506
Phone (630) 277-9695

14489 John Humphrey Dr
#1
Orland Park, IL 60462
Phone (708) 364-1205

1340 Remington Rd
Ste M
Schaumburg, IL 60173
Phone (847) 252-1858

1340 Remington Rd
Ste P
Schaumburg, IL 60173
Phone (847) 873-8693

1320 Tower Rd
Ste 138
Schaumburg, IL 60173
Phone (847) 252-1858

1320 Tower Rd
Ste 136
Schaumburg, IL 60173
Phone (847) 873-8693

Organizations & group practices 7

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 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": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183939200000",
    "number": "1720006919",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 245",
            "city": "EOLA",
            "state": "IL",
            "postal_code": "605190245",
            "telephone_number": "630-548-5936",
            "fax_number": "630-548-5940"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 FAIRWAY DR",
            "address_2": "SUITE 107",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605633938",
            "telephone_number": "630-548-5936",
            "fax_number": "630-548-5940"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MOLLOHAN",
        "first_name": "WILLIAM",
        "middle_name": "H",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2007-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200236",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

Verify at the official NPI Registry.