JENNIFER D WALKER (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1710978267
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
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Profile Insights
NPPES metrics only — not quality of care.
78 CARDIAC SURGERY in MA
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Provider Addresses for JENNIFER D WALKER (MD)
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022415348
Phone:
Type: Mailing
UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States
WORCESTER, MA 016550002
Phone: (508) 334-3278
Fax: (508) 334-7284
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $528.
Total Amount is formed as General ($528) + Research ($0) + Ownership ($0) = $528.
Last reported payment date: 2023-03-16 • Largest payer in this snapshot: ATRICURE, INC. ($528).
Total Amount
$528
General + Research + Ownership
Payments
1
Total payment records
General Amount
$528
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ATRICURE, INC. | $528 |
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: 2004-02-24
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 |
|---|---|---|---|---|
| I20040224000420 | I | Cardiac Surgery | 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 |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 163 | 163 | $0 |
| 33361 | Replacement of aortic valve through the skin and femoral artery | 57 | 57 | $0 |
| 76998 | Ultrasonic guidance during surgery | 49 | 49 | $0 |
| 33533 | Coronary artery bypass using artery graft, 1 graft | 35 | 35 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 02241)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| - | MA | |
| - | MA | |
| Family Practice | MA | |
| Physician Assistant | MA | |
| Pulmonary Disease, Critical Care (Intensivists), Allergy/Immunology | MA | |
| - | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA |
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