Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michael I McNellis, MD

Individual provider Internal Medicine Physician · NPI 1649262171

Michael I McNellis, MD is a Pulmonary Disease in Longview, Washington. Qualified in 1990, 36 years ago. Practices with Peacehealth, a 187-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
36
Licensed in
WA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1615 Delaware St
Longview, WA 98632-2310
Phone: (360) 414-2730
Fax: (360) 414-2739
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD00031478 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD00031478 (WA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD00031478 (WA)

Record details

NPI number1649262171
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 19, 2005
Last updated in NPPESJune 9, 2010
Mailing addressPo Box 249, Longview, WA 98632-7154

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Peacehealth — 187 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Longview