NPIMap

Individual provider Active NPI

George David Nacos, M.D.

  • Family Medicine Physician
  • Washington, IA
National Provider Identifier
1235159716
Registry record updated May 6, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
29699 Issued in IA
Practice address
1230 S Iowa Ave
Washington, IA 52353-1144
Phone
(319) 653-7291
Fax
(319) 653-7440
NPI assigned
Jul 20, 2006
Last updated
May 6, 2014By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 6, 2014

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 29699 IA Primary

Addresses

Primary practice location

1230 S Iowa Ave
Washington, IA 52353-1144

Mailing address

PO Box 909
Washington, IA 52353-0909
Phone (319) 653-7291

Other identifiers 1

IdentifierTypeStateIssuer
4118174MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
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
I20090128000067 IA Practitioner - Family Practice 0345304812 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Iowa, RJ & L Carver College of Medicine, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Progressive Rehabilitation Associates LLCGroup PAC ID 2961443072, 275 clinicians
Washington County HospitalGroup PAC ID 2062329931, 39 clinicians

Practice addresses (Care Compare)

1130 S Scott Blvd
Suite 1
Iowa City, IA 52240-2909
Phone (319) 354-2429

1230 S Iowa Ave
Washington, IA 52353-1144
Phone (319) 653-7291

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Washington County Hospital CurrentSince Jan 1, 2026 Accepting new patients
Washington County Hospital Family Medicine CurrentSince Mar 1, 2014 Accepting new patients
Washington County Hospital Family Medicine CurrentSince Mar 1, 2014 Accepting new patients
Washington County Hospital Family Medicine Past Accepting new patients

Locations

1230 S Iowa Ave
Washington, IA 52353
Phone (319) 653-4271

400 E Polk St
Washington, IA 52353
Phone (319) 653-5481

Interoperability endpoints

  • Direct secure messaging: gnacos264535@uihcdirect.org

Ownership & related parties

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Colonial Manor of Columbus CommunityColumbus Junction, IA, CCN 165476 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Nov 12, 2007
Oct 23, 2025
Parkview ManorWellman, IA, CCN 165234 Skilled nursing facility Operational/Managerial Control
Adp of the SNF		 Nov 3, 2025
Nov 3, 2025

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 10

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": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1399334400000",
    "number": "1235159716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 909",
            "city": "WASHINGTON",
            "state": "IA",
            "postal_code": "523530909",
            "telephone_number": "319-653-7291",
            "fax_number": "319-653-7440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1230 S IOWA AVE",
            "city": "WASHINGTON",
            "state": "IA",
            "postal_code": "523531144",
            "telephone_number": "319-653-7291",
            "fax_number": "319-653-7440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NACOS",
        "first_name": "GEORGE",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2014-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "29699",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4118174",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, IA

Sources for this page

Verify at the official NPI Registry.