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

Marc A Trzeciak, DO

Individual provider Orthopaedic Hand Surgery Physician · NPI 1033111026

Marc A Trzeciak, DO is an Orthopedic Surgery in Modesto, California. Qualified in 1990, 36 years ago. Practices with Stanislaus Orthopaedic and Sports Medicine Clinic, a 10-clinician group and accepts Medicare assignment. Licensed in California and Ohio.

Years since qualifying
36
Licensed in
CA, OH
In the registry since
2005
Specialties on file
3
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

609 E Orangeburg Ave Ste 201
Modesto, CA 95350-5512
Phone: (209) 572-3224
Fax: (209) 572-4528
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 20A12596 (CA)
Orthopaedic Hand Surgery Physician Taxonomy 207XS0106X · Licence 5505 (OH)
Orthopaedic Hand Surgery Physician Taxonomy 207XS0106X · Licence 20A12596 (CA)

Record details

NPI number1033111026
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESMarch 19, 2013

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesHAND SURGERY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Stanislaus Orthopaedic And Sports Medicine Clinic — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Modesto