Maria Castells, MD
Maria Castells is an Allergy & Immunology specialist based in Gardner, MA with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Maria Castells, MD has practiced allergy & immunology for 47+ years, working in independent practice. With 47+ years of experience, she has been practicing in the Gardner area. An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis.
Older · 2357dNPPES updated 2019-12-09 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
$13.6k received from industry
10 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Maria Castells's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Dec 8, 2019
Self-reported via NPPES
47 years in practice
Senior practitioner
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Taxonomy: 207K00000X
Mailing address
Po Box 9135 Att:Sharon Silva, Brookline, MA 02446-9135
Differs from practice location
Virtual Allergy & Immunology Care With Maria Castells
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Maria Castells for follow-ups, medication reviews, and ongoing care — no travel to Gardner required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Maria Castells
NPI records show Dr. Castells as active with telehealth listed in Gardner, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (603) 432-9513.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.
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Contact Maria Castells
Practice Location
358 Elm St, Gardner, MA 01440-3926
Mailing Address
Po Box 9135 Att:Sharon Silva, Brookline, MA 02446-9135
This is a provider directory. Contact the office directly to schedule appointments.
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