MS. KAREN JOAN LUDWIG FNP
NPI 1659530418
Nurse Practitioner - Family in Brunswick, ME

Active since June 06, 2008PECOS Enrolled
98.06/100
CMS Quality Rating
22 STATION AVE, SUITE 101, BRUNSWICK, ME 04011(207) 373-6848(207) 373-6849 Get Directions Write a Review

NPPES record last updated: June 18, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Karen Joan Ludwig Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. KAREN JOAN LUDWIG FNP (NPI 1659530418) is an individual family provider in Brunswick, Maine, licensed in Maine (R052936) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659530418
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. KAREN JOAN LUDWIGCredential: FNP
Location Address22 STATION AVE, SUITE 101Brunswick, ME 04011-2092
Mailing Address22 Station Ave, Suite 101Brunswick, ME 04011-2092 · (207) 373-6848 · Fax (207) 373-6849
Fax(207) 373-6849
Sole ProprietorNo
Enumeration DateJune 6, 2008
Last NPPES UpdateJune 18, 2015
NPI 1659530418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in ME · R052936
22 STATION AVE, Brunswick, ME 04011

Other Identifiers 1

Medicare PIN2517601

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Karen Joan Ludwig Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers14 claims14 services$3.04 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers19 claims19 services$152.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
22 STATION AVE
BRUNSWICK, ME 04011
Nurse Practitioner
22 STATION AVE
BRUNSWICK, ME 04011
Physician Assistant (Medical)
22 STATION AVE
BRUNSWICK, ME 04011
Physician Assistant (Medical)
22 STATION AVE
BRUNSWICK, ME 04011
Family Medicine
22 STATION AVE, SUITE 101
BRUNSWICK, ME 04011
Family Medicine
22 STATION AVE, SUITE 101
BRUNSWICK, ME 04011
Nurse Practitioner (Family)
22 STATION AVE
BRUNSWICK, ME 04011
Emergency Medicine
22 STATION AVE
BRUNSWICK, ME 04011

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Ludwig's NPI number?

The NPI number for Karen Ludwig is 1659530418. It was assigned to this individual provider in the NPPES registry on June 6, 2008.

Where is Karen Ludwig located?

Karen Ludwig practices at 22 Station Ave Suite 101, Brunswick, ME 04011. The listed phone number is (207) 373-6848.

What is Karen Ludwig's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Ludwig enrolled in Medicare?

Yes. Karen Ludwig is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Ludwig was last updated on June 18, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.