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

Dr. John Mastalski, DO

Individual provider Emergency Medicine Physician · NPI 1538188446

Dr. John Mastalski, DO is an Emergency Medicine Physician in Riviera Beach, Florida. Licensed in Florida. Registered with an NPI since 2006.

Licensed in
FL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

7305 N Military Trl Primary Care (110)
Riviera Beach, FL 33410-7417
Phone: (561) 422-7577
Fax: (561) 422-7615
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS4951 (FL)

Record details

NPI number1538188446
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESJuly 8, 2007
Mailing address8559 Se Sabal St, Hobe Sound, FL 33455-2936

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