EMMA KOESTER ARNP
NPI 1487480778
Nurse Practitioner in Waterloo, IA

Q: What is Emma Koester's NPI number?

The NPI number for Emma Koester is 1487480778. It was assigned to this individual provider in the NPPES registry on September 12, 2024. The provider is also known as Emma Knoop.

Q: What is Emma Koester's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Emma Koester was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 12, 2024PECOS EnrolledAccepts Medicare Assignment

1631 LOGAN AVE, WATERLOO, IA 50703(319) 833-5381(319) 833-5386 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 26, 2024, Sep 12, 2024 (2 updates tracked since 2024).

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About Emma Koester Arnp NPPES

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

EMMA KOESTER ARNP (NPI 1487480778) is an individual nurse practitioner in Waterloo, Iowa, licensed in Iowa (A181288) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1487480778

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameEMMA KOESTERCredential: ARNP

Location Address1631 LOGAN AVEWaterloo, IA 50703-1237

Mailing Address1825 Logan AveWaterloo, IA 50703-1916 · (319) 235-3941

Phone(319) 833-5381

Fax(319) 833-5386

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateSeptember 12, 2024

Last NPPES UpdateApril 25, 20252 updates tracked since enumeration

NPPES CertifiedApril 25, 2025

✔ NPI 1487480778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IA · A181288

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1631 LOGAN AVE, Waterloo, IA 50703

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Other Names 1

Former Name (1)Emma Knoop

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Emma Koester Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426589458

PECOS Enrollment IDI20241002000427

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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

34 services30 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

32 services26 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

15 services15 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Allen Hospital

Acute Care Hospitals · Waterloo, IA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160110

Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk County

Emergency services Birthing friendly

Grundy County Memorial Hospital

Critical Access Hospitals · Grundy Center, IA

OwnershipVoluntary non-profit - Other

CMS Certification Number161303

Location201 East J AvenueGrundy Center, IA 50638 · Grundy County

Emergency services

Waverly Health Center

Critical Access Hospitals · Waverly, IA

OwnershipGovernment - Local

CMS Certification Number161339

Location312 9th Street SWWaverly, IA 50677 · Bremer County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50703 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

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

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.

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Other Providers at the Same Location NPPES 8

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

DR. MARK GORSCHE M.D.

Orthopaedic Surgery