Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Russell A Novak, MD

Pulmonary Disease Physician in Neenah, WI · enumerated 2005.

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

National Provider Identifier

1558352211

Verified

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Registry record

Entity type Individual (Type 1)

Name Russell A Novak

Credential MD

Sex Male

Practice address 200 Theda Clark Medical Plaza, Suite 480, Neenah, WI, 54956

Phone (920) 729-0608

Fax (920) 729-2902

Enumeration date Nov 2, 2005

Last updated in NPPES Jan 30, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 48910 (WI) Secondary

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 48910 (WI) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 197207 (NY) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 48910 (WI) 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
34826700	Medicaid	WI	-

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

Is NPI 1558352211 active?

Yes, as of the latest NPPES snapshot, NPI 1558352211 is active (record last updated 2018-01-30).

How do I verify Russell Novak's NPI record?

Cross-check NPI 1558352211 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-30.