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

Dr. Barrett A. Johnston, MD

Individual provider Anesthesiology Physician · NPI 1962602250

Dr. Barrett A. Johnston, MD is an Interventional Pain Management in Baton Rouge, Louisiana. Qualified in 2006, 20 years ago. Practices with Interventional Pain Institute LLC, a 2-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana and Massachusetts.

Years since qualifying
20
Licensed in
LA, MA
In the registry since
2007
Specialties on file
2
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

8017 Picardy Ave
Baton Rouge, LA 70809-3538
Phone: (225) 769-3636
Fax: (225) 771-8047
Show map & directions

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

Additional practice locations (1)

  • 5702 Mancuso Ln, Baton Rouge, LA 70809-3526 — (225) 769-3636

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence 204474 (LA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 231723 (MA)

Record details

NPI number1962602250
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2007
Last updated in NPPESJuly 17, 2026
Certification dateJuly 17, 2026

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Also practisesANESTHESIOLOGY, PAIN MANAGEMENT
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Interventional Pain Institute Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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