Debra M Ryken, DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

15912 Issued in MA

Practice address

34101 Farenholt Ave BLDG 14
Naval School of Health Sciences
San Diego, CA 92134-7000

Phone

(619) 532-7803

NPI assigned

Aug 16, 2005

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1124150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1124010343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1528 PLANTATION WAY",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920193601",
            "telephone_number": "619-991-0393"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34101 FARENHOLT AVE BLDG 14",
            "address_2": "NAVAL SCHOOL OF HEALTH SCIENCES",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921347000",
            "telephone_number": "619-532-7803"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYKEN",
        "first_name": "DEBRA",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2005-08-16",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "TX",
            "license": "18257",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "15912",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Derek Colburn Rycewicz, MD
• Jacqueline D. Rychnovsky, PHD, RN, CPNP
• Haley Maria Rydelski
• Cheryl Ryder, RPT
• Michael Thomas Ryder, MSPT
• Therese Elizabeth Rymer, NP
• Ralph Erik Rynning, M.D.
• Dimitrae Rynsburger, PHARM.D.
• Francis Ryu
• Hae Rim Ryu, DMD

• General Practice Dentistry in San Diego, CA
• Providers in San Diego, CA by specialty
• General Practice Dentistry in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.