SARAH KNOWLTON (FNP) – Family Nurse Practitioner, NPI 1558716852
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,871 NURSE PRACTITIONER in ME
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Provider Addresses for SARAH KNOWLTON (FNP)
43 WHITING HILL RD STE 300
BREWER, ME 044121006
Phone: (207) 862-9400
Type: Mailing
7, Main Road North, Hampden (CDP), Penobscot County, Maine, 04444, United States
HAMPDEN, ME 044441334
Phone: (207) 862-9400
Type: Location
7 Main Rd N
Hampden, ME 044441334
Phone: (207) 862-9400
Type: Location
1 EMBARCADERO CTR STE 1900
SAN FRANCISCO, CA 941113723
Phone: (415) 658-6791
Type: Mailing
911 MEETING ST
NORTH BETHESDA, MD 208522375
Phone: (888) 663-6331
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 38 Open Payments records for all available years, with a total value of $741.
Total Amount is formed as General ($741) + Research ($0) + Ownership ($0) = $741.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($134).
Total Amount
$741
General + Research + Ownership
Payments
38
Total payment records
General Amount
$741
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2025-11-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20230222002454 | I | Nurse Practitioner | MD | TBD |
| I20251111000191 | I | Nurse Practitioner | DC | 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 | 183 | 150 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 85 | 71 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 82 | 82 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $0 |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 04412)
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