Individual provider Active NPI

Oswaldo A Grenardo, MD, MBA, MS

  • Family Medicine Physician
  • Greenwood Village, CO
National Provider Identifier
1609924836
Registry record updated Jun 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
DR.0045147 Issued in CO
Practice address
385 Inverness Pkwy Ste 130
Greenwood Village, CO 80112-5852
Phone
(303) 625-7976
Fax
(303) 955-3482
NPI assigned
Jan 5, 2007
Last updated
Jun 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2026

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 DR.0045147 CO Primary

Addresses

Primary practice location

385 Inverness Pkwy Ste 130
Greenwood Village, CO 80112-5852

Mailing address

385 Inverness Pkwy Ste 130
Greenwood Village, CO 80112-5852
Phone (303) 625-7976

Other identifiers 1

IdentifierTypeStateIssuer
12204277MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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
I20090422000348 CO Practitioner - Family Practice 4688721053 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Colorado School of Medicine, Denver, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Radiant Healthcare LLCGroup PAC ID 6406229038, 5 clinicians
Rocky Ford Family Health Center LLCGroup PAC ID 6002726114, 5 clinicians
Healthcare Partners LLCGroup PAC ID 1951839646, 2 clinicians

Practice addresses (Care Compare)

1014 Elm Ave
Rocky Ford, CO 81067-1328
Phone (719) 254-7421

5285 McWhinney Blvd
Suite 110
Loveland, CO 80538-8707
Phone (970) 315-1891

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Business Administration, Doctor of Medicine, Master of Science

State licenses

LicenseStateTypeSpecialty
DR.0045147COMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Portercare Adventist Health System CurrentSince Sep 1, 2010 Accepting new patients
Healthcare Partners LLC CurrentSince Sep 1, 2025 Accepting new patients
Portercare Adventist Health System Current Accepting new patients
Ryon Medical & Associates, LLC CurrentSince Dec 5, 2014 Accepting new patients
Portercare Adventist Health System CurrentSince Sep 1, 2010 Accepting new patients
Parker Family Medicine, LLC Family Medicine PastSince Sep 1, 2008 Accepting new patients

Locations

15901 E Briarwood Cir
Unit 200
Aurora, CO 80016
Phone (303) 269-2626

9100 E Mineral Cir
Centennial, CO 80112
Phone (303) 561-5193

318 Lacey Ave
La Junta, CO 81050
Phone (719) 384-0303

7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650

5285 McWhinney Blvd
Ste 110
Loveland, CO 80538
Phone (970) 315-1891

19284 Cottonwood Dr
Ste 201
Parker, CO 80138
Phone (303) 269-2626

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/9821/brand/7/csg/1/fhir/r4
  • Direct secure messaging: nichole@ryonmedical.kareodirect.com
  • Direct secure messaging: oswaldo.grenardo.1@26604.direct.athenahealth.com

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

NPI Registry JSON

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

{
    "created_epoch": "1167955200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1609924836",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "385 INVERNESS PKWY STE 130",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801125852",
            "telephone_number": "303-625-7976",
            "fax_number": "303-955-3482"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "385 INVERNESS PKWY STE 130",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801125852",
            "telephone_number": "303-625-7976",
            "fax_number": "303-955-3482"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRENARDO",
        "first_name": "OSWALDO",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD, MBA, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-05",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "DR.0045147",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "12204277",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood Village, CO

Sources for this page

Verify at the official NPI Registry.