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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. KATHRYN LEIGH MAZZA, D.O.

Active Sole Proprietor

DR. KATHRYN LEIGH MAZZA, D.O. is a Internal Medicine healthcare provider located in GUILFORD, Connecticut. NPI 1497196471 is currently active in the NPPES registry. Verify at CMS.

Internal Medicine · GUILFORD, CT

Registration Details

NPI Number
1497196471
Provider Type
Individual
Gender
Female
NPI Issued
Jul 8, 2013 (13.100626498186 yrs)
Last Updated
Aug 19, 2025
Licenses
289426 (NY)
079272 (CT)
Sole Proprietor
Yes

Practice Information

Address
1591 BOSTON POST RD STE 100
GUILFORD, CT, 064374335
Browse CT providers · Browse ZIP 06437
Phone
2034539911
Fax
2034581905
Primary Specialty
Internal Medicine
207R00000X
Additional Specialty
Internal Medicine

Other Internal Medicine Providers in GUILFORD, CT

Name Credential NPI
JOSEPH BALSAMO M.D. 1487650222
DONNA R CRISCENZO M.D. 1225036528
MARY J SCHEIMANN M.D. 1205834447
MONICA M MUNTEANU MD 1386643807
DR. EDWARD J DILL JR. M.D. 1700886587
CHARLES E. GLASS M.D. 1184613705
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.