Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Bittner, MD

Radiation Oncology Physician in Puyallup, WA · enumerated 2006.

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

National Provider Identifier

1609989714

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Registry record

Entity type Individual (Type 1)

Name Nathan Bittner

Credential MD

Sex Male

Practice address 400 15th Ave Se Ste A, Puyallup, WA, 98372

Phone (253) 841-4311

Fax (253) 627-8792

Enumeration date Aug 16, 2006

Last updated in NPPES Sep 9, 2020

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License ML20007539 (WA) 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
MD60006974	Other	WA	MD LICENSE
11839467	Other	-	CAQH
7058480	Medicaid	WA	-

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 Nathan Bittner?

The National Provider Identifier (NPI) for Nathan Bittner is 1609989714, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nathan Bittner practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-09.