MARGARET MARY TOLBERT (NP) – Nurse Practitioner, NPI 1124018726
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,971 NURSE PRACTITIONER in MA
Provider Addresses for MARGARET MARY TOLBERT (NP)
41 Mall Rd
Burlington, MA 018050001
Phone: (781) 744-8000
Type: Location
1804 Embarcadero Road, Embarcadero Road, Palo Alto, Santa Clara County, California, 94303-3221, United States
STE 100
PALO ALTO, CA 943033341
Phone: (650) 723-4000
Type: Mailing
Stanford Hospital, 300, Pasteur Drive, Stanford, Palo Alto, Santa Clara County, California, 94305, United States
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Location
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Mailing
PO BOX 24520
NEW YORK, NY 100873720
Phone: (781) 744-8085
Type: Mailing
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 $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2024-09-10 • Largest payer in this snapshot: Abbott Laboratories ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $14 |
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: 2025-12-29
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20150129001193 | I | Nurse Practitioner | CA | TBD |
| I20251229002590 | I | Nurse Practitioner | 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 01805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | MA | |
| Nurse Practitioner | NY | |
| Diagnostic Radiology | ME | |
| Physician Assistant | MA | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | OH | |
| P A T H O L O G Y | MA | |
| Family Practice, Osteopathic Manipulative Medicine | MA | |
| Diagnostic Radiology, Interventional Radiology | NY |
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