Loretta Sullivan-Chang, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

49624 Issued in CO

Practice address

4950 S Yosemite St # F2-365
Greenwood Village, CO 80111

Phone

(650) 847-7287

NPI assigned

Jan 30, 2008

Last updated

Apr 28, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Dr. Loretta Sullivan Former name

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

Specialty

Internal Medicine

Education

University of Colorado School of Medicine, Denver, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mauricio Waintrub, M.D., P.CGroup PAC ID 0042118192, 27 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Mauricio Waintrub, M.D., P.C

  dba Rocky Mountain Internal Medicine

  • Internal Medicine Physician
  • Aurora, CO
  • NPI 1336172774
  Medicare reassignment Care Compare group NPD
• 3510 Holland Management LLC

  • Assisted Living Facility (Mental Illness)
  • Wheat Ridge, CO
  • NPI 1639884679
  NPD
• 850 Orchard Management LLC

  • Assisted Living Facility (Mental Illness)
  • Centennial, CO
  • NPI 1457066409
  NPD
• 890 Orchard Management LLC

  • Assisted Living Facility (Mental Illness)
  • Centennial, CO
  • NPI 1790490746
  NPD

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

{
    "created_epoch": "1201651200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745798400000",
    "number": "1972780062",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4950 S YOSEMITE ST # F2-365",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801111349",
            "telephone_number": "650-847-7287"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4950 S YOSEMITE ST # F2-365",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "80111",
            "telephone_number": "650-847-7287"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "875 Blake Wilbur Dr",
            "address_2": "Stanford Cancer Center",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943055820",
            "country_code": "US",
            "telephone_number": "650-498-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SULLIVAN-CHANG",
        "first_name": "LORETTA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-01-30",
        "last_updated": "2025-04-28",
        "certification_date": "2025-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A100131",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "49624",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LORETTA",
            "last_name": "SULLIVAN",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ruta Stupple, OTR/L
• Jeffrey Michael Stusick, MD
• April Stutters, LCSW
• Leslie A Stybaniewicz, CAA
• Kama Suddath, RN
• Andrew Walter Sullivan, CAA
• Bethany Mee Yeong Summers, DNP
• Chelsey Deane Summers, MA, NCC, LPC, LAC
• Summersett Speech Therapy LLC
• Summit Hospitalists PLLC

• Internal Medicine Physician in Greenwood Village, CO
• Providers in Greenwood Village, CO by specialty
• Internal Medicine Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.