Individual provider Active NPI

Constantine G Peters, D.O.

  • Hospitalist Physician
  • Palos Heights, IL
National Provider Identifier
1114937562
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
036107020 Issued in IL
Practice address
12251 S 80TH Ave
Palos Heights, IL 60463-1290
Phone
(708) 923-4000
Fax
(708) 923-5859
NPI assigned
Aug 8, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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 036107020 IL Primary
Internal Medicine Physician 207R00000X 036107020 IL
Hospitalist Physician 208M00000X OS17162 FL

Addresses

Primary practice location

12251 S 80TH Ave
Palos Heights, IL 60463-1290

Mailing address

2338 Immokalee Rd # 186
Naples, FL 34110-1445
Phone (239) 330-2933

Other practice location 1

9981 S Healthpark Dr
Fort Myers, FL 33908-3618
Phone (239) 343-2052

Other practice location 2

6101 Pine Ridge Rd
Naples, FL 34119
Phone (239) 330-2933

Other practice location 3

2338 Immokalee Rd # 186
Naples, FL 34110-1445
Phone (239) 330-2933

Other identifiers 2

IdentifierTypeStateIssuer
110688200MedicaidFL
036107020MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, FL2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20040428000261 IL Practitioner - HospitalistPractitioner - Internal Medicine 9638165434 Reassigns benefits to 1 organization
I20210615001584 FL Practitioner - HospitalistPractitioner - Internal Medicine 9638165434 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Midwestern University, Chicago College of Osteopathic Med, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Central Dupage Physician GroupGroup PAC ID 5890696231, 1,087 clinicians
Premier Inpatient Partners LLCGroup PAC ID 3476832528, 40 clinicians

Practice addresses (Care Compare)

12251 S 80TH Ave
Palos Heights, IL 60463-1290
Phone (708) 923-5869

6101 Pine Ridge Rd
Naples, FL 34119-3900
Phone (239) 348-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
70.52 of 100Reported as group
Quality
52.2
Improvement activities
40
Cost
80.57

Merit-based Incentive Payment System (MIPS)

Final score
85.67 of 100Reported as group
Quality
90
Improvement activities
40
Cost
48.9

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
OS17162FLMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Premier Inpatient Partners LLC Internal Medicine CurrentSince May 1, 2023 Accepting new patients
Prestige Outpatient Providers, LLC Internal Medicine CurrentSince Jun 1, 2023 Accepting new patients
Central Dupage Physician Group Internal Medicine CurrentSince Dec 1, 2025 Accepting new patients
Central Dupage Physician Group CurrentSince Dec 1, 2025 Accepting new patients
Macneal Physicians Group LLC Internal Medicine Past Accepting new patients
C.G.Peters LLC PastSince Oct 20, 2003 Accepting new patients

Locations

6135 Rattlesnake Hammock Rd
#R
Naples, FL 34113
Phone (239) 775-7715

8300 Collier Blvd
Naples, FL 34114
Phone (239) 354-6000

6101 Pine Ridge Rd
Naples, FL 34119
Phone (239) 348-4000

2338 Immokalee Rd
Naples, FL 34110
Phone (239) 330-2933

350 7th St N
Naples, FL 34102
Phone (239) 436-5000

Dept 5777
Carol Stream, IL 60122

15300 West Ave
Orland Park, IL 60462
Phone (708) 226-2440

12251 S 80th Ave
Ste 1630
Palos Heights, IL 60463
Phone (708) 923-5173

12251 S 80th Ave
Palos Heights, IL 60463
Phone (708) 361-4500

1800 N Main St
Wheaton, IL 60187
Phone (630) 469-0045

Interoperability endpoints

  • Direct secure messaging: constantine.peters.1@14267.direct.athenahealth.com
  • FHIR API: https://api.platform.athenahealth.com/14267/brand/6/csg/1/fhir/r4

Organizations & group practices 6

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": "1154995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1114937562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2338 IMMOKALEE RD # 186",
            "city": "NAPLES",
            "state": "FL",
            "postal_code": "341101445",
            "telephone_number": "239-330-2933",
            "fax_number": "239-343-5348"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12251 S 80TH AVE",
            "city": "PALOS HEIGHTS",
            "state": "IL",
            "postal_code": "604631290",
            "telephone_number": "708-923-4000",
            "fax_number": "708-923-5859"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9981 S Healthpark Dr",
            "address_purpose": "LOCATION",
            "city": "Fort Myers",
            "state": "FL",
            "postal_code": "339083618",
            "country_code": "US",
            "telephone_number": "239-343-2052",
            "fax_number": "239-343-5348",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6101 Pine Ridge Rd",
            "address_purpose": "LOCATION",
            "city": "Naples",
            "state": "FL",
            "postal_code": "34119",
            "country_code": "US",
            "telephone_number": "239-330-2933",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2338 Immokalee Rd # 186",
            "address_purpose": "LOCATION",
            "city": "Naples",
            "state": "FL",
            "postal_code": "341101445",
            "country_code": "US",
            "telephone_number": "239-330-2933",
            "fax_number": "239-343-5348",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PETERS",
        "first_name": "CONSTANTINE",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-08",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036107020",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036107020",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "FL",
            "license": "OS17162",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110688200",
            "state": "FL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036107020",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Palos Heights, IL

Sources for this page

Verify at the official NPI Registry.