MALLORY C HATFIELD (MD) – Cardiovascular Disease Physician, NPI 1790737013
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,398 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MA
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Provider Addresses for MALLORY C HATFIELD (MD)
46, North Street, Hyannis, Barnstable, Barnstable County, Massachusetts, 02601-5542, United States
SUITE 6
HYANNIS, MA 026013845
Phone: (508) 778-4888
Fax: (508) 778-4887
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 6 Open Payments records for all available years, with a total value of $319.
Total Amount is formed as General ($319) + Research ($0) + Ownership ($0) = $319.
Last reported payment date: 2023-10-16 • Largest payer in this snapshot: Novo Nordisk Inc ($275).
Total Amount
$319
General + Research + Ownership
Payments
6
Total payment records
General Amount
$319
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $275 |
| PFIZER INC. | $43 |
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: 2006-05-24
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 |
|---|---|---|---|---|
| I20060524000178 | 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 | 2,254 | 1,198 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 1,934 | 1,238 | $0 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | 1,100 | 549 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 951 | 906 | $0 |
| J2785 | Injection, regadenoson, 0.1 mg | 809 | 203 | $0 |
Insurance plans in this area (ZIP 02601)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | MA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 502 | 495 |
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