Melissa Karch, RDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

Practice address

825 Delaware Ave Ste 200
Longmont, CO 80501-6169

Phone

(720) 252-9415

Fax

(720) 302-0613

NPI assigned

Feb 19, 2015

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CO

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Nutrition DynamixGroup PAC ID 3870908916, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Nutrition Dynamix, LLC

  • Metabolic Nutrition Registered Dietitian
  • Longmont, CO
  • NPI 1023565777
  Medicare reassignment Care Compare group NPD Authorized official

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

{
    "created_epoch": "1424304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1619369238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "825 DELAWARE AVE STE 200",
            "city": "LONGMONT",
            "state": "CO",
            "postal_code": "805016169",
            "telephone_number": "720-450-0376",
            "fax_number": "720-302-0613"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 DELAWARE AVE STE 200",
            "city": "LONGMONT",
            "state": "CO",
            "postal_code": "805016169",
            "telephone_number": "720-252-9415",
            "fax_number": "720-302-0613"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARCH",
        "first_name": "MELISSA",
        "credential": "RDN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-02-19",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CO",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PTAN",
            "identifier": "415741",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Thomas E Kammer, D.D.S.
• Susan Kanemasu, CACIII
• Justin Michael Kanoff, M.D.
• Sasha Kapil, MD
• Mohammad Karbassi, M.D.
• Karen Eiffert LCSW Inc
• Emily Karlicek
• Shari Yasmin Karmen, OTR
• Tanya Karnavy, D.D.S.
• Anna M Karr

• Registered Dietitian in Longmont, CO
• Providers in Longmont, CO by specialty
• Registered Dietitian in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.