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

Dr. Erik Aron Holzwanger, MD

Individual provider Gastroenterology Physician · NPI 1457747776

Dr. Erik Aron Holzwanger, MD is a Gastroenterology in Boston, Massachusetts. Qualified in 2014, 12 years ago. Practices with Integrated Gastroenterology Consultants, PC, a 33-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
12
Licensed in
MA
In the registry since
2015
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

800 Washington St
Boston, MA 02111-1552
Phone: (617) 636-5000
Show map & directions

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

Additional practice locations (2)

  • 736 Cambridge St, Brighton, MA 02135 — (617) 562-5432
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 334-1000

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 277398 (MA)

Record details

NPI number1457747776
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2015
Last updated in NPPESJanuary 5, 2026
Certification dateJanuary 5, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Integrated Gastroenterology Consultants, P.C. — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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