Dennis R Fellner, O.D

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT5143TPA Issued in CA

Practice address

320 H St
Ste 4
Marysville, CA 95901-5834

Phone

(530) 743-4453

Fax

(530) 743-0427

NPI assigned

Jun 1, 2005

Reactivated

Apr 3, 2006

Sex

Male

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Paris E. Royo, MD Inc

  • Ophthalmology Physician
  • Sacramento, CA
  • NPI 1689755498
  NPD (past)

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

{
    "created_epoch": "1117584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1740282086",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "320 H ST",
            "address_2": "STE 4",
            "city": "MARYSVILLE",
            "state": "CA",
            "postal_code": "959015834",
            "telephone_number": "530-743-4453",
            "fax_number": "530-743-0427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 H ST",
            "address_2": "STE 4",
            "city": "MARYSVILLE",
            "state": "CA",
            "postal_code": "959015834",
            "telephone_number": "530-743-4453",
            "fax_number": "530-743-0427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELLNER",
        "first_name": "DENNIS",
        "middle_name": "R",
        "credential": "O.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-01",
        "last_updated": "2026-07-13",
        "deactivation_date": "2006-03-25",
        "reactivation_date": "2006-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "OPT5143TPA",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Family Care Chiropractic
• Nisebho Kefelegn Fantaye, PA-C
• Rachel Farrell, PA
• Feather River Cardiology Medical Group, Inc.
• Elizabeth Anne Fegley, LPTA
• Jeffrey Fernandez
• Kolton Trae Fernandez, DPT
• Mariel Mory Fernandez
• FHHC, LLC
• Holly Marie Filter, FNP

• Optometrist in Marysville, CA
• Providers in Marysville, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.