Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Marvin Guinyu Chang, MD, PHD

Individual provider Anesthesiology Physician · NPI 1316381296

Dr. Marvin Guinyu Chang, MD, PHD is an Anesthesiology in Boston, Massachusetts. Graduated from University of California, Geffen School of Medicine in 2013, 13 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
13
Trained at
University of California, Geffen School of Medicine
Licensed in
MA
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

55 Fruit St Grb 444
Boston, MA 02114
Phone: (609) 865-9782
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 11811 Venice Blvd Apt 244, Los Angeles, CA 90066-3940 — (609) 865-9782

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 270769 (MA)

Record details

NPI number1316381296
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedApril 23, 2013
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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