Shannon Duffy, MMSC, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

11447 Issued in GA

Practice address

2400 Spruce St Ste 101
Boulder, CO 80302-4716

Phone

(404) 321-4600

NPI assigned

Sep 22, 2021

Last updated

Aug 13, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Emory University School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rocky Mountain Dermatology, P.C.Group PAC ID 0840354940, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: shannon.duffy.d1.p1@direct.dermga.nextgenshare.com

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.

• Rocky Mountain Dermatology, P.C.

  • Medical Specialty Clinic/Center
  • Boulder, CO
  • NPI 1174776009
  Medicare reassignment Care Compare group
• Soma Physical Therapy

  • Physical Therapist
  • Boulder, CO
  • NPI 1396801114
  NPD (past)
• Dermatology Associates of Georgia, LLC

  • Specialist
  • Decatur, GA
  • NPI 1063560803
  NPD (past)

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

{
    "created_epoch": "1632268800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1902577604",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2532 N DECATUR RD APT 1408",
            "city": "DECATUR",
            "state": "GA",
            "postal_code": "300336179",
            "telephone_number": "303-704-3534"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 SPRUCE ST STE 101",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803024716",
            "telephone_number": "404-321-4600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "SHANNON",
        "credential": "MMSC, PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-22",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "GA",
            "license": "11447",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Braxton Massey Dudley Jr.
• Marilyn R Duey
• Alexander Duff, DC
• Benjamen Duffy
• Emma M Duffy, MA, CCC-SLP
• Duggan Chiropractic P.C.
• Caitlin Rachel Duggan
• Edward Eugene Duggan, D.C.
• Coco Dughi, M.D.
• Christine Marie Duiven

• Physician Assistant in Boulder, CO
• Providers in Boulder, CO by specialty
• Physician Assistant in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 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.