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

Maciej G. Ossowski, MD, Inc

Organization Family Medicine Physician · NPI 1740575182

Maciej G. Ossowski, MD, Inc is a Family Medicine Physician in Merced, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3349 G St Ste D
Merced, CA 95340-0978
Phone: (209) 722-8040
Fax: (209) 722-0287
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A38380 (CA)

Record details

NPI number1740575182
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Maciej Ossowski — President · (209) 722-8040
NPI enumeratedJune 14, 2011
Last updated in NPPESJuly 20, 2012
Mailing address3349 G St Ste D, Merced, CA 95340-0978

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