MARCIA MENEZES WALKER (MD) – Body Imaging Physician, NPI 1487815502
Body Imaging Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,812 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for MARCIA MENEZES WALKER (MD)
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Mailing
5738, Main Street, Trumbull, Fairfield County, Connecticut, 06611, United States
TRUMBULL, CT 066113136
Phone: (203) 268-8843
Type: Mailing
2111 SOLE MIA WAY
NORTH MIAMI, FL 331812492
Phone: (305) 243-4000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2022-06-21
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20101104001369 | I | Diagnostic Radiology | CA | TBD |
| I20220621000105 | I | Diagnostic Radiology | LA | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 24 | 23 | $0 |
Insurance plans in this area (ZIP 94305)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | NH | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CO | |
| Diagnostic Radiology | PR | |
| - | CA | |
| Diagnostic Radiology | AZ | |
| Diagnostic Radiology | AZ | |
| Diagnostic Radiology | WI | |
| Diagnostic Radiology | NV | |
| Diagnostic Radiology | AZ |
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