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

Justin M Marasigan, DO

Individual provider Internal Medicine Physician · NPI 1174714067

Justin M Marasigan, DO is a Gastroenterology in Oxnard, California. Qualified in 2007, 19 years ago. Practices with Genesis Healthcare Partners PC, a 220-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Michigan, Pennsylvania and Washington.

Years since qualifying
19
Licensed in
CA, MI, PA, WA
In the registry since
2007
Specialties on file
5
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

2241 Wankel Way Ste A
Oxnard, CA 93030-0191
Phone: (805) 983-0521
Fax: (805) 983-4186
Show map & directions

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

Additional practice locations (1)

  • 1006 North H Street, Aberdeen, WA 98520 — (360) 537-6496

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20A18363 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 5101017474 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence OP60345419 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence OS015147 (PA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence OP60345419 (WA)

Record details

NPI number1174714067
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 6, 2007
Last updated in NPPESMarch 18, 2021
Certification dateFebruary 24, 2021
Mailing address225 W Broadway Ste 350, Glendale, CA 91204-1303

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Genesis Healthcare Partners Pc — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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