MR. TIO ONNEFFE LIVINGSTON (PA-C) – Physician Assistant, NPI 1447727672
Physician Assistant
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Profile Insights
NPPES metrics only — not quality of care.
3,243 PHYSICIAN ASSISTANT in CT
Provider Addresses for MR. TIO ONNEFFE LIVINGSTON (PA-C)
254, Davis Street, East Side, Hamden, New Haven County, Connecticut, 06517, United States
HAMDEN, CT 065173603
Phone: (770) 680-6786
Type: Mailing
1 Cellini Pl Ste 102
West Haven, CT 065161666
Phone: (203) 932-6481
Fax: (203) 932-4051
Type: Location
Daniel T Banks Health Science Library, 2800, Main Street, Bridgeport, Fairfield County, Connecticut, 06606, United States
BRIDGEPORT, CT 066064292
Phone: (770) 680-6786
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 318 Open Payments records for all available years, with a total value of $5,727.
Total Amount is formed as General ($5,727) + Research ($0) + Ownership ($0) = $5,727.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($2,023).
Total Amount
$5,727
General + Research + Ownership
Payments
318
Total payment records
General Amount
$5,727
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $2,023 |
| AstraZeneca Pharmaceuticals LP | $409 |
| Novo Nordisk Inc | $290 |
| Takeda Pharmaceuticals U.S.A., Inc. | $199 |
| Amgen Inc. | $194 |
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: 2019-01-15
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 |
|---|---|---|---|---|
| I20190115002579 | I | Physician Assistant | CT | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 110 | 51 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 63 | 37 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 29 | 29 | $0 |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | 27 | 27 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 06517)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VT | |
| - | CT | |
| Physician Assistant | CT | |
| Nurse Practitioner | CT | |
| Physician Assistant | CT | |
| Internal Medicine | CT | |
| Nurse Practitioner | CT | |
| Nurse Practitioner | CT | |
| Internal Medicine | CT | |
| Physician Assistant | CT |
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