MARY B CALLAHAN (D.O.) – Cardiovascular Disease Physician, NPI 1518968882
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,398 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MA
Provider Addresses for MARY B CALLAHAN (D.O.)
68A ROUTE 6A # 1757
SANDWICH, MA 025631864
Phone: (773) 413-5457
Fax: (773) 413-5985
Type: Mailing
Cape Cod Health Care Cardiovascular Center, 25, Main Street, Hyannis, Barnstable, Barnstable County, Massachusetts, 02601-5542, United States
HYANNIS, MA 026013129
Phone: (508) 778-1829
Fax: (508) 778-0113
Type: Mailing
68A ROUTE 6A
POST OFFICE BOX 1757
SANDWICH, MA 025631864
Phone: (774) 413-5457
Fax: (773) 413-5985
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 46 Open Payments records for all available years, with a total value of $1,012.
Total Amount is formed as General ($1,012) + Research ($0) + Ownership ($0) = $1,012.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($379).
Total Amount
$1,012
General + Research + Ownership
Payments
46
Total payment records
General Amount
$1,012
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $379 |
| Amgen Inc. | $232 |
| E.R. Squibb & Sons, L.L.C. | $151 |
| SCPHARMACEUTICALS INC. | $102 |
| Esperion Therapeutics, Inc. | $42 |
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: 2007-08-14
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 |
|---|---|---|---|---|
| I20070814000547 | I | Cardiovascular Disease (Cardiology) | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 588 | 220 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 453 | 226 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 136 | 134 | $0 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | 96 | 48 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 68 | 17 | $0 |
Insurance plans in this area (ZIP 02563)
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