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

Dr. Stephen Findlay Johnstone, MD

Individual provider Orthopaedic Surgery Physician · NPI 1811201403

Dr. Stephen Findlay Johnstone, MD is an Orthopedic Surgery in Astoria, New York. Qualified in 2006, 20 years ago. Practices with North Shore Medical Group of the Mount Sinai School of Medicine, a 323-clinician group and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
20
Licensed in
NY, PA
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2510 30th Ave Dept OF Orthopedics
Astoria, NY 11102-2448
Phone: (718) 932-1000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 280422 (NY)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence MT198180 (PA)

Record details

NPI number1811201403
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 6, 2010
Last updated in NPPESApril 19, 2016
Mailing address25-10 30th Avenue, Department Of Orthopedics, Astoria, NY 11102

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice North Shore Medical Group Of The Mount Sinai School Of Medicine — 323 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Astoria