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

Gary D Johnson, MD

Individual provider Neurology Physician · NPI 1841226867

Gary D Johnson, MD is a Neurology in Smithfield, Rhode Island. Graduated from Perelman School of Med at the University of Pennsylvania in 1985, 41 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
41
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
RI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

900 Douglas Pike
Smithfield, RI 02917-1879
Phone: (401) 618-5507
Fax: (866) 228-6713
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 593 Eddy St, Providence, RI 02903-4923 — (401) 444-3032
  • 1 James P Murphy Ind Hwy Ste 120, West Warwick, RI 02893-2366 — (401) 606-4600

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence MD08010 (RI)

Record details

NPI number1841226867
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2006
Last updated in NPPESDecember 18, 2025
Certification dateDecember 18, 2025
Mailing address15 La Salle Sq, Providence, RI 02903-1814

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1985 (41 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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