Individual provider Active NPI

Ryan J Oblachinski, DO

  • Anesthesiology Physician
  • Englewood, CO
National Provider Identifier
1720053812
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
42526 Issued in CO
Practice address
333 W Hampden Ave
Suite 600
Englewood, CO 80110-2330
Phone
(303) 761-5646
Fax
(303) 761-7989
NPI assigned
Feb 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 42526 CO Primary

Addresses

Primary practice location

333 W Hampden Ave
Suite 600
Englewood, CO 80110-2330

Mailing address

333 W Hampden Ave
Suite 600
Englewood, CO 80110-2330
Phone (303) 761-5646

Other identifiers 1

IdentifierTypeStateIssuer
94320241MedicaidCO

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
I20040526000196 CO Practitioner - Anesthesiology 9234110396 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
42526COMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Epic Anesthesia PC Anesthesiology CurrentSince Feb 10, 2010 Accepting new patients
5280 Anesthesia PC Anesthesiology CurrentSince Jun 1, 2006 Accepting new patients
South Denver Anesthesiologists PC Anesthesiology Past Accepting new patients
US Anesthesia Partners of Colorado Inc. Anesthesiology PastSince Aug 1, 2016 Accepting new patients
Clinical Colleagues Inc Anesthesiology Past Accepting new patients

Locations

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

10101 Ridgegate Pkwy
Lone Tree, CO 80124
Phone (720) 225-1000

9397 Crown Crest Blvd
Ste 110
Parker, CO 80138
Phone (720) 974-6499

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1140566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1720053812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 W HAMPDEN AVE",
            "address_2": "SUITE 600",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801102330",
            "telephone_number": "303-761-5646",
            "fax_number": "303-761-7989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 W HAMPDEN AVE",
            "address_2": "SUITE 600",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801102330",
            "telephone_number": "303-761-5646",
            "fax_number": "303-761-7989"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBLACHINSKI",
        "first_name": "RYAN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "42526",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "94320241",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Englewood, CO

Sources for this page

Verify at the official NPI Registry.