MARIA CASTELLS (MD) – Allergy & Immunology Physician, NPI 1427039478
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
201 ALLERGY/IMMUNOLOGY in MA
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Provider Addresses for MARIA CASTELLS (MD)
Brookline Post Office, 1295, Beacon Street, Coolidge Corner, North Brookline, Brookline, Norfolk County, Massachusetts, 02446, United States
ATT:SHARON SILVA
BROOKLINE, MA 024469135
Phone: (800) 927-0002
Type: Mailing
358, Elm Street, Gardner, Worcester County, Massachusetts, 01440, United States
GARDNER, MA 014403926
Phone: (603) 432-9513
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $24,689.
Total Amount is formed as General ($18,689) + Research ($6,000) + Ownership ($0) = $24,689.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: Blueprint Medicines Corporation ($14,755).
Total Amount
$24,689
General + Research + Ownership
Payments
18
Total payment records
General Amount
$18,689
General payments
Research Amount
$6,000
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Blueprint Medicines Corporation | $14,755 |
| Bayer Healthcare Pharmaceuticals Inc. | $6,000 |
| AstraZeneca UK Limited | $3,222 |
| Invivyd Inc | $610 |
| PFIZER INC. | $102 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-05-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050520000579 | I | Allergy/Immunology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 02446)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| Physician Assistant | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | NH | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | MA |
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