MS. KAREN JOAN LUDWIG (FNP) – Family Nurse Practitioner, NPI 1659530418
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MS. KAREN JOAN LUDWIG (FNP)
Brunswick, 22, Station Avenue, Brunswick, Cumberland County, Maine, 04011, United States
SUITE 101
BRUNSWICK, ME 040112092
Phone: (207) 373-6848
Fax: (207) 373-6849
Mailing address matches the actual address.
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: 2012-02-10
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 |
|---|---|---|---|---|
| I20120210000757 | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 44 | 39 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 43 | 39 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 18 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 15 | 15 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 04011)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | ME | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ME | |
| - | OR | |
| - | MA | |
| - | ME | |
| - | ME | |
| - | ME | |
| - | ME | |
| - | ME | |
| Internal Medicine | ME | |
| - | ME |
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