ZACHARY ST AMANT (CNP) – Family Nurse Practitioner, NPI 1235717869
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,972 NURSE PRACTITIONER in MA
Provider Addresses for ZACHARY ST AMANT (CNP)
91 ELM ST
BLACKSTONE, MA 015041343
Phone: (508) 406-1887
Type: Mailing
246 MILL ST
LEOMINSTER, MA 014533310
Phone: (978) 466-5760
Type: Location
10 ADAMS ST
N CHELMSFORD, MA 018631780
Phone: (978) 251-3159
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $40.
Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($24).
Total Amount
$40
General + Research + Ownership
Payments
2
Total payment records
General Amount
$40
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $24 |
| Inspire Medical Systems, Inc. | $17 |
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: 2021-07-07
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 |
|---|---|---|---|---|
| I20210707003920 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 152 | 118 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 75 | 50 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 27 | 14 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 22 | 22 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 19 | 19 | $0 |
Insurance plans in this area (ZIP 01504)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MA | |
| Nurse Practitioner | MA | |
| Family Practice | MA | |
| Family Practice | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Physician Assistant | MA | |
| Family Practice | MA | |
| - | MA | |
| Family Practice | NH |
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