DR. DAVID ALEJANDRO SANCHEZ (MD) – Allergy & Immunology (Internal Medicine) Physician, NPI 1407346745
Allergy & Immunology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
203 ALLERGY/IMMUNOLOGY in MA
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Provider Addresses for DR. DAVID ALEJANDRO SANCHEZ (MD)
36 WINCHESTER ST APT 6
BROOKLINE, MA 024462864
Phone: (516) 734-1326
Type: Mailing
Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States
BOSTON, MA 021156110
Phone: (617) 732-5500
Type: Location
800 POLY PL
BROOKLYN, NY 112097104
Phone: (718) 836-6600
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 $11,414.
Total Amount is formed as General ($11,414) + Research ($0) + Ownership ($0) = $11,414.
Last reported payment date: 2024-08-27 • Largest payer in this snapshot: Grifols Shared Services North America, Inc. ($5,591).
Total Amount
$11,414
General + Research + Ownership
Payments
18
Total payment records
General Amount
$11,414
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Grifols Shared Services North America, Inc. | $5,591 |
| Takeda Pharmaceuticals U.S.A., Inc. | $4,891 |
| Dermavant Sciences, Inc. | $369 |
| Genentech USA, Inc. | $145 |
| Pharming Healthcare, Inc. | $137 |
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: 2025-09-22
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20250922003141 | I | Allergy/Immunology | NY | 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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