Hilary Somerset Sillik, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

DR.0051887 Issued in CO

Practice address

206 W County Line Rd Ste 340
Highlands Ranch, CO 80129-2321

Phone

(303) 888-6426

Fax

(303) 302-1659

NPI assigned

Apr 14, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

Pathology

Education

University of Colorado School of Medicine, Denver, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Alta Vista Dermatology, LLCGroup PAC ID 3971632464, 7 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Denver Health & Hospital Authority Hospital, Denver, CO, CCN 060011

Merit-based Incentive Payment System (MIPS)

Final score

96.65 of 100Reported as group

Quality

92.15

Promoting interoperability

100

Improvement activities

40

Cost

80.02

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Alta Vista Dermatology, LLC

  • Dermatology Physician
  • Highlands Ranch, CO
  • NPI 1053641381
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Denver Health and Hospital Authority

  • Emergency Care Clinic/Center
  • Winter Park, CO
  • NPI 1467762435

  Hospital

  Care Compare affiliation
• Denver Health and Hospital Authority

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1689624686
  Care Compare affiliation
• Denver Health and Hospital Authority

  • Psychiatric Hospital Unit
  • Denver, CO
  • NPI 1689624942
  Care Compare affiliation

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

{
    "created_epoch": "1239667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1487897856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044597",
            "telephone_number": "303-602-5200",
            "fax_number": "303-602-5261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "206 W COUNTY LINE RD STE 340",
            "city": "HIGHLANDS RANCH",
            "state": "CO",
            "postal_code": "801292321",
            "telephone_number": "303-888-6426",
            "fax_number": "303-302-1659"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "206 W County Line Rd Ste 245",
            "address_purpose": "LOCATION",
            "city": "Highlands Ranch",
            "state": "CO",
            "postal_code": "801292320",
            "country_code": "US",
            "telephone_number": "303-558-7090",
            "fax_number": "303-997-2115",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SILLIK",
        "first_name": "HILARY",
        "middle_name": "SOMERSET",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-04-14",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZD0900X",
            "taxonomy_group": "",
            "desc": "Pathology, Dermatopathology",
            "state": "CO",
            "license": "DR.0051887",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "CO",
            "license": "DR.0051887",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "80081347",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maria Shulga
• Mitchel Eh Sicard, CSA
• Renee Sickler, OTR
• Jonathan David Sierk, DDS
• Teresa Annette Sigurdson, PTA
• Caitlyn Anderson Silver, MS, OTR/L
• Stephanie Lynn Silvey
• Sorina Simion-Rodgers
• Stacey M Simmons, RNFA
• Simonson Vision Care

• Anatomic Pathology & Clinical Pathology Physician in Highlands Ranch, CO
• Providers in Highlands Ranch, CO by specialty
• Anatomic Pathology & Clinical Pathology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; 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.