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

Frederick a Grassin, DO

Organization Family Medicine Physician · NPI 1770753790

Frederick a Grassin, DO is a Family Medicine Physician in New Port Richey, Florida. Licensed in Florida. Registered with an NPI since 2008.

Licensed in
FL
In the registry since
2008

Practice location Address checks out

5901 Main St
New Port Richey, FL 34652-2713
Phone: (727) 849-5445
Fax: (727) 842-6863
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS1108 (FL)

Record details

NPI number1770753790
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Frederick Grassin — Owner · (727) 849-5445
NPI enumeratedMarch 5, 2008
Last updated in NPPESMarch 5, 2008
Mailing addressPo Box 846, New Port Richey, FL 34656-0846

Other providers in New Port Richey