NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John W Nemanich, MD

Cardiovascular Disease Physician in Renton, WA · enumerated 2006 · practices at Southlake Clinic Inc Ps.

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

National Provider Identifier

1275618720

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name John W Nemanich
Credential MD
Sex Male
Practice address 4011 Talbot Road South, Suite 500, Renton, WA, 98055
Phone (425) 251-5110
Fax (425) 793-7376
Enumeration date Oct 25, 2006
Last updated in NPPES Jan 28, 2010

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License MD00022799 (WA) Primary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License MD00022799 (WA) Secondary
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
0057612 Other WA L&I
1046820 Medicaid WA -
110056683 Other WA RR MEDICARE
NE5890 Other WA REGENCE

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 John Nemanich?
The National Provider Identifier (NPI) for John Nemanich is 1275618720, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Nemanich practice?
The practice location on file with NPPES is in Renton, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-01-28.