LYNNE A WALKER (NP-C) – Nurse Practitioner, NPI 1356854525
Nurse Practitioner
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
8,971 NURSE PRACTITIONER in MA
Provider Addresses for LYNNE A WALKER (NP-C)
55 Lake Ave N
Worcester, MA 016550002
Phone: (774) 443-7552
Fax: (774) 441-6768
Type: Location
76, Jackson Street, Jefferson, Holden, Worcester County, Massachusetts, 01522, United States
JEFFERSON, MA 015221413
Phone: (508) 735-6913
Type: Mailing
Adcare Hospital, 107, Lincoln Street, Lincoln Square, Chandler Hill, Worcester, Worcester County, Massachusetts, 01605, United States
WORCESTER, MA 016052401
Phone: (508) 799-9000
Type: Location
PO BOX 415348
BOSTON, MA 022415348
Phone: (800) 225-8885
Fax: (508) 334-8105
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $584.
Total Amount is formed as General ($584) + Research ($0) + Ownership ($0) = $584.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: Amgen Inc. ($99).
Total Amount
$584
General + Research + Ownership
Payments
18
Total payment records
General Amount
$584
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $99 |
| Gilead Sciences, Inc. | $94 |
| ABBVIE INC. | $77 |
| Otsuka America Pharmaceutical, Inc. | $69 |
| Indivior Inc. | $67 |
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: 2018-02-07
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 |
|---|---|---|---|---|
| I20180207002190 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,719 | 400 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 230 | 214 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 136 | 124 | $0 |
Insurance plans in this area (ZIP 01655)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| Internal Medicine | MA | |
| Physician Assistant | MA | |
| General Surgery | IL | |
| Physician Assistant | MA | |
| - | CT | |
| Internal Medicine, Addiction Medicine | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| - | MA |
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