Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Joseph Thomas Palermo Jr., DO

Internal Medicine Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1922072396

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Registry record

Entity type Individual (Type 1)

Name Dr. Joseph Thomas Palermo Jr.

Credential DO

Sex Male

Practice address Seattle, WA, 98125

Phone (206) 367-1222

Fax (206) 364-2664

Enumeration date Feb 14, 2006

Last updated in NPPES Dec 10, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License OP0836 (WA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License OP00000836 (WA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
0205759	Other	WA	LIWA
1476001	Medicaid	WA	-
3150PA	Other	WA	BSWA

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 Joseph Palermo?

The National Provider Identifier (NPI) for Joseph Palermo is 1922072396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Palermo practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-10.