NPIMap

Individual provider Active NPI

Peter James Grant, M.D.

  • Family Medicine Physician
  • Oak Park, IL
National Provider Identifier
1306853858
Registry record updated Oct 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
036-108911 Issued in IL
Practice address
1011 Lake St Ste 407
Oak Park, IL 60301-1129
Phone
(708) 524-1747
Fax
(708) 383-2741
NPI assigned
Aug 1, 2006
Last updated
Oct 12, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 036-108911 IL Primary

Addresses

Primary practice location

1011 Lake St Ste 407
Oak Park, IL 60301-1129

Mailing address

1011 Lake St Ste 407
Oak Park, IL 60301-1129
Phone (708) 524-1747

Other identifiers 1

IdentifierTypeStateIssuer
036-10891106MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20031210000438 IL Practitioner - Family Practice 8325944382 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Rush Medical College of Rush University, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

1011 Lake St
Suite 407
Oak Park, IL 60301-1129
Phone (708) 524-1747

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-108911ILMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Paul C. Ellstein Chiropractic Physicians, S.C. PastSince Sep 28, 2025 Accepting new patients
Gibson Community Hospital Association Past Accepting new patients
West Suburban Hospital Medical Center Past Accepting new patients
West Suburban Medical Center Family Medicine Past Accepting new patients

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/JCHHBA/Endpoint/JCHHBA

Organizations & group practices 5

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.

Hospital & facility affiliations 6

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": "1154390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760227200000",
    "number": "1306853858",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1011 LAKE ST STE 407",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603011129",
            "telephone_number": "708-524-1747",
            "fax_number": "708-383-2741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1011 LAKE ST STE 407",
            "city": "OAK PARK",
            "state": "IL",
            "postal_code": "603011129",
            "telephone_number": "708-524-1747",
            "fax_number": "708-383-2741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRANT",
        "first_name": "PETER",
        "middle_name": "JAMES",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-01",
        "last_updated": "2025-10-12",
        "certification_date": "2025-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036-108911",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036-10891106",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Oak Park, IL

Sources for this page

Verify at the official NPI Registry.