Donald Kevin Zettervall, RPH, CDE, CDM

Primary specialty

PharmacistTaxonomy code 183500000X

License

0330002686 Issued in VT

Practice address

134 Boston Post Rd
Suite 2 the Diabetes Center
Old Saybrook, CT 06475-1548

Phone

(860) 388-6677

Fax

(860) 388-3256

NPI assigned

Nov 18, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Registered Pharmacist

State licenses

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

{
    "created_epoch": "1132272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619959053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "134 BOSTON POST RD",
            "address_2": "SUITE 2 THE DIABETES CENTER",
            "city": "OLD SAYBROOK",
            "state": "CT",
            "postal_code": "064751548",
            "telephone_number": "860-388-6677",
            "fax_number": "860-388-3256"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "134 BOSTON POST RD",
            "address_2": "SUITE 2 THE DIABETES CENTER",
            "city": "OLD SAYBROOK",
            "state": "CT",
            "postal_code": "064751548",
            "telephone_number": "860-388-6677",
            "fax_number": "860-388-3256"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZETTERVALL",
        "first_name": "DONALD",
        "middle_name": "KEVIN",
        "name_prefix": "Mr.",
        "credential": "RPH, CDE, CDM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CT",
            "license": "0901-8462",
            "primary": false
        },
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "CT",
            "license": "5567",
            "primary": false
        },
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "VT",
            "license": "0330002686",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHNET",
            "identifier": "OV6291",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Laurel Wood, LCSW
• John Michael Woznicki, PT
• Diane Wright, APRN
• Nikki Antoinette Yee, O.D.
• Jayne Young, OT
• Joan Ziemann
• Lorraine Zimmerman, APRN

• Pharmacist in Old Saybrook, CT
• Providers in Old Saybrook, CT by specialty
• Pharmacist in Connecticut

• 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.