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

Mr. Matthew Isaac Lyons

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1457714933

Mr. Matthew Isaac Lyons is a Pulmonary Disease in Walnut Creek, California. Qualified in 2016, 10 years ago. Practices with Muir Pulmonary Critical Care, a 13-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
Specialties on file
2
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Practice location Address checks out

2700 Ygnacio Valley Rd Ste 100
Walnut Creek, CA 94598-3462
Phone: (925) 939-3050
Fax: (925) 939-3057
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2540 East St, Concord, CA 94520-1906 — (925) 682-8200
  • 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598-3122 — (925) 939-3000

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence A167951 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A167951 (CA)

Record details

NPI number1457714933
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 1, 2016
Last updated in NPPESApril 17, 2024
Certification dateApril 17, 2024
Mailing address2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598-3462

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Muir Pulmonary Critical Care — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Walnut Creek