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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. DONALD KEVIN ZETTERVALL RPH, CDE, CDM
NPI 1619959053
Pharmacist in Old Saybrook, CT

Active since November 18, 2005
134 BOSTON POST RD, SUITE 2 THE DIABETES CENTER, OLD SAYBROOK, CT 06475(860) 388-6677(860) 388-3256 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Mr. Donald Kevin Zettervall Rph, Cde, Cdm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. DONALD KEVIN ZETTERVALL RPH, CDE, CDM (NPI 1619959053) is an individual pharmacist in Old Saybrook, Connecticut, licensed in Vermont (0330002686) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1619959053
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameMR. DONALD KEVIN ZETTERVALLCredential: RPH, CDE, CDM
Location Address134 BOSTON POST RD, SUITE 2 THE DIABETES CENTEROld Saybrook, CT 06475-1548
Mailing Address134 Boston Post Rd, Suite 2 The Diabetes CenterOld Saybrook, CT 06475-1548 · (860) 388-6677 · Fax (860) 388-3256
Phone(860) 388-6677
Fax(860) 388-3256
Sole ProprietorNo
Enumeration DateNovember 18, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1619959053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
Licenses✔ Licensed in VT · 0330002686✔ Licensed in CT · 5567
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
Also ListedSpecialistTaxonomy 174400000X · License 0901-8462 (CT)
134 BOSTON POST RD, Old Saybrook, CT 06475
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Other Identifiers 1

OtherOV6291CT · Healthnet

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Zettervall's NPI number?

The NPI number for Donald Zettervall is 1619959053. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Where is Donald Zettervall located?

Donald Zettervall practices at 134 Boston Post Rd Suite 2 The Diabetes Center, Old Saybrook, CT 06475. The listed phone number is (860) 388-6677.

What is Donald Zettervall's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for Donald Zettervall was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.