Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Douglas Joseph Hartz, MD

Diagnostic Radiology Physician in Tacoma, WA · enumerated 2007 · practices at Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance.

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

National Provider Identifier

1235330754

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Registry record

Entity type Individual (Type 1)

Name Dr. Douglas Joseph Hartz

Credential MD

Sex Male

Practice address 1304 Fawcett Ave Ste 100, Tacoma, WA, 98402

Phone (253) 761-4200

Fax (253) 761-4201

Enumeration date May 31, 2007

Last updated in NPPES Aug 30, 2024

Taxonomy & licenses

2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License MD60341376 (WA) Secondary

2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License MD165183 (OR) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD165183 (OR) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD60341376 (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
0316863	Other	WA	L&I-TRA REST OF WA
500670939	Medicaid	OR	-
0316864	Other	WA	L&I-UNION AVE OPEN MRI
2028592	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.

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Frequently asked questions

How do I verify Douglas Hartz's NPI record?

Cross-check NPI 1235330754 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1235330754 active?

Yes, as of the latest NPPES snapshot, NPI 1235330754 is active (record last updated 2024-08-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-30.