Plutarco E. Castellanos, MD
Listed as an allergist, with 3 practice addresses in Leominster, Westborough, and Worcester, Massachusetts.
Practice locations 3
Mass Lung and Allergy PC
100 Hospital Rd, Suite 2A
Leominster, MA 01453Mass Lung and Allergy PC
24 Lyman St, Suite 160
Westborough, MA 01581Mass Lung and Allergy PC
85 Prescott St, Suite 302
Worcester, MA 01605
From the records
- Specialty
- Allergist
- Records
- Medicare records: Pulmonary Disease (October 2026). Allergy specialty from the national provider registry.
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Graduated 1997; school not named (Medicare records)
- Registry record
- Last updated October 2010
- NPI
- 1669463303 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors