MRS. KAREN ALISHYA LONGFELLOW (F.N.P.) – Family Nurse Practitioner, NPI 1295049187
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,871 NURSE PRACTITIONER in ME
Provider Addresses for MRS. KAREN ALISHYA LONGFELLOW (F.N.P.)
44 MATHEWS AVE
WATERVILLE, ME 049015233
Phone: (207) 788-0475
Type: Mailing
9 PLEASANT ST
OAKLAND, ME 049635034
Phone: (207) 465-2181
Fax: (207) 465-4629
Type: Location
5 CENTRAL MAINE XING
GARDINER, ME 043456320
Phone: (207) 582-6608
Fax: (207) 582-2258
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2010-10-07
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 |
|---|---|---|---|---|
| I20101007000010 | I | Nurse Practitioner | ME | 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 | 157 | 131 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 04901)
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Group practice members
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