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

Dr. David A Gruenberg, MD

Individual provider Allergy & Immunology Physician · NPI 1386773422

Dr. David A Gruenberg, MD is an Allergy/Immunology in Chelmsford, Massachusetts. Graduated from Tufts University School of Medicine in 2005, 21 years ago. Practices with Allergy and Asthma Specialists, PC, a 5-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
21
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9 Village Sq
Chelmsford, MA 01824-2712
Phone: (978) 256-4531
Fax: (978) 256-1377
Show map & directions

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

Additional practice locations (2)

  • 200 Sutton St Ste 150, North Andover, MA 01845-1645 — (978) 689-8890
  • 505 W Hollis St Ste 108, Nashua, NH 03062-1386 — (603) 881-7433

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 251130 (MA)

Record details

NPI number1386773422
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 5, 2007
Last updated in NPPESJuly 21, 2022
Mailing address9 Village Sq, Chelmsford, MA 01824-2712

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Allergy And Asthma Specialists, Pc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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