MRS. KERRIANNE O'BRIEN BARRETO (NP-C) – Acute Care Nurse Practitioner, NPI 1124421862
Acute Care Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,972 NURSE PRACTITIONER in MA
Provider Addresses for MRS. KERRIANNE O'BRIEN BARRETO (NP-C)
67 MILLBROOK ST STE 406A
WORCESTER, MA 016062845
Phone: (508) 283-4513
Fax: (508) 469-4057
Type: Mailing
416 BELMONT ST
WORCESTER, MA 01604
Phone: (915) 667-2684
Type: Location
416 BELMONT STREET
WORCESTER INTERNAL MEDICINE
WORCESTER, MA 016041086
Phone: (508) 756-6609
Type: Mailing
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 $147.
Total Amount is formed as General ($147) + Research ($0) + Ownership ($0) = $147.
Last reported payment date: 2023-02-13 • Largest payer in this snapshot: ACADIA Pharmaceuticals Inc ($147).
Total Amount
$147
General + Research + Ownership
Payments
2
Total payment records
General Amount
$147
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-02-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ACADIA Pharmaceuticals Inc | $147 |
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: 2019-03-01
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 |
|---|---|---|---|---|
| I20190301000866 | 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 |
|---|---|---|---|---|
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 494 | 223 | $0 |
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 373 | 186 | $0 |
| 99310 | Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 317 | 212 | $0 |
| 99316 | Nursing facility discharge management, more than 30 minutes | 102 | 94 | $0 |
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 36 | 15 | $0 |
Insurance plans in this area (ZIP 01606)
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