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

Constantine T Nicholas, MD

Individual provider Orthopaedic Surgery Physician · NPI 1295790228

Constantine T Nicholas, MD is an Orthopaedic Surgery Physician in Martinez, California. Licensed in California and Michigan. Registered with an NPI since 2006.

Licensed in
CA, MI
In the registry since
2006
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

2500 Alhambra Ave
Martinez, CA 94553-3156
Phone: (925) 370-5200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence C33836 (CA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 4301032764 (MI)

Record details

NPI number1295790228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2006
Last updated in NPPESApril 13, 2013
Mailing address2500 Alhambra Ave, Martinez, CA 94553-3156

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