Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ratnasiri Gunawardena, MD

Endocrinology, Diabetes & Metabolism Physician in Norfolk, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700851300

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Registry record

Entity type Individual (Type 1)

Name Ratnasiri Gunawardena

Credential MD

Sex Male

Practice address 850 Kempsville Rd Ste 100e, Norfolk, VA, 23502

Phone (757) 261-5744

Fax (757) 261-0321

Enumeration date Feb 17, 2006

Last updated in NPPES Dec 29, 2023

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 2003013994 (MO) Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 0101239066 (VA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
208828608	Medicaid	MO	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ratnasiri Gunawardena?

The National Provider Identifier (NPI) for Ratnasiri Gunawardena is 1700851300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ratnasiri Gunawardena practice?

The practice location on file with NPPES is in Norfolk, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Ghandi Saadeh Endocrinology, Diabetes & Metabolism Physician · Norfolk, VA NPI 1871568915 Barbara Mols-Kowalczewski Endocrinology, Diabetes & Metabolism Physician · Norfolk, VA NPI 1649321977 Lakshmi Goudar Endocrinology, Diabetes & Metabolism Physician · Norfolk, VA NPI 1639346455 Kimberly Doctor Physician Assistant · Norfolk, VA NPI 1285395905

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-29.