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

Dr. Mazen Hashisho, MD

Individual provider Vascular Surgery Physician · NPI 1255524427

Dr. Mazen Hashisho, MD is a Vascular Surgery in Garden Grove, California. Qualified in 1998, 28 years ago. Practices with Monterey Bay Vascular Inc, a 3-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in California, New York and Pennsylvania.

Years since qualifying
28
Licensed in
CA, NY, PA
In the registry since
2007
Specialties on file
4
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

12555 Garden Grove Blvd Ste 403
Garden Grove, CA 92843-1903
Phone: (562) 506-0176
Fax: (562) 506-0053
Show map & directions

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

Additional practice locations (3)

  • 2888 Long Beach Blvd Ste 235, Long Beach, CA 90806-1562 — (562) 424-4447
  • 101 E Beverly Blvd Ste 303, Montebello, CA 90640-4316 — (562) 506-0176
  • 333 Cottman Ave, Philadelphia, PA 19111-2434 — (215) 214-1427

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence A94329 (CA)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence MD441265 (PA)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 002845 (NY)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence A94329 (CA)

Record details

NPI number1255524427
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 21, 2007
Last updated in NPPESJune 16, 2020
Certification dateJune 16, 2020

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Also practisesGENERAL SURGERY, THORACIC SURGERY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Monterey Bay Vascular Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Garden Grove