THERESA CALLAHAN (M.D.) – Pediatrics Physician, NPI 1861480931
Pediatrics Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,245 PEDIATRIC MEDICINE in MA
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Provider Addresses for THERESA CALLAHAN (M.D.)
Health Alliance Hospital Library, 100, Hospital Road, West Leominster, Leominster, Worcester County, Massachusetts, 01453, United States
SUITE 4
LEOMINSTER, MA 014532253
Phone: (978) 514-6300
Fax: (978) 514-6324
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $130.
Total Amount is formed as General ($130) + Research ($0) + Ownership ($0) = $130.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($39).
Total Amount
$130
General + Research + Ownership
Payments
7
Total payment records
General Amount
$130
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $39 |
| PFIZER INC. | $33 |
| BioMarin Pharmaceutical Inc. | $25 |
| Corium, LLC | $19 |
| SANOFI PASTEUR INC. | $15 |
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: 2006-02-27
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 |
|---|---|---|---|---|
| I20060227000089 | I | Pediatric Medicine | 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 01453)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pediatric Medicine | MA | |
| Pediatric Medicine | MA | |
| Pediatric Medicine | MA | |
| Pediatric Medicine | MA | |
| - | MA |
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