Diana Carol McNulty, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036103840 Issued in IL

Practice address

1010 Fairway Dr
Freeport, IL 61032-6600

Phone

(815) 599-7880

NPI assigned

Feb 10, 2006

Last updated

Jul 31, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Internal Medicine

Education

Oregon Health Sciences University School of Medicine, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Freeport Regional Health Care FoundationGroup PAC ID 9234041682, 86 clinicians

Select Rehabilitation, LLCGroup PAC ID 9032020490, 1,935 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tri-State Home Healthcare, LLC Home health agency, Freeport, IL, CCN 148365
• FHN Hospice Hospice, Freeport, IL, CCN 141560
• FHN Memorial Hospital Hospital, Freeport, IL, CCN 140160

Merit-based Incentive Payment System (MIPS)

Final score

83.84 of 100Reported as group

Quality

75.22

Promoting interoperability

92

Improvement activities

40

Cost

73.11

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Freeport Regional Health Care Foundation

  dba FHN

  • Family Medicine Physician
  • Freeport, IL
  • NPI 1457337016
  Medicare reassignment Care Compare group
• Select Rehabilitation, LLC

  • Rehabilitation Clinic/Center
  • Glenview, IL
  • NPI 1346368248
  Care Compare group

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

• Freeport Memorial Hospital

  dba FHN Hospice

  • Community Based Hospice Care Agency
  • Freeport, IL
  • NPI 1033146279
  Care Compare affiliation
• Freeport Memorial Hospital

  dba FHN-Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788
  Care Compare affiliation
• Tri-State Home Healthcare, LLC

  dba Tri-State Home HealthCare

  • Home Health Agency
  • Freeport, IL
  • NPI 1154663995
  Care Compare affiliation

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

{
    "created_epoch": "1139529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1215900105",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "421 W EXCHANGE ST",
            "city": "FREEPORT",
            "state": "IL",
            "postal_code": "610324008",
            "telephone_number": "815-599-7950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1010 FAIRWAY DR",
            "city": "FREEPORT",
            "state": "IL",
            "postal_code": "610326600",
            "telephone_number": "815-599-7880"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "fax_number": "815-599-7974",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCNULTY",
        "first_name": "DIANA",
        "middle_name": "CAROL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-10",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036103840",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036103840",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Calli Jo McClain, RD, LD
• Carrie McCormick, PT
• Meggan Marie McDermott-Schulz
• James McGath, MD
• Wendy McGath
• Donna Mellen, PTA
• Elizabeth Mendeloff
• Jasmine L Mendoza
• Amy Meyer
• Jordan Michael Meyer, D.C.

• Internal Medicine Physician in Freeport, IL
• Providers in Freeport, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.