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Emma Koester , ARNP

Nurse Practitioner โ€ข Waterloo, IA

Active NPI 1487480778 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

1631 Logan Ave
Waterloo, IA 507031237

Call 3198335381 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1631 Logan Ave

Waterloo, IA 507031237

Telephone 3198335381
Fax 3198335386
Organization at the Same NPPES Address or Phone
Cedar Valley Medical Specialists Pc Facility NPI 1083105779

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Iowa Physicians Clinic Medical Foundation. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2024

Medicare patients

71 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2024.

Medicare-allowed amount

About $5,981 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Paid by Medicare

About $4,755 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2021โ€“2025.

Guide: How to read an Open Payments record

Years since graduation

2 years (graduated 2024)

CMS Doctors and Clinicians data list 2024 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2024

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Emma Koester has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Emma Koester as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Waterloo and Iowa

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 90% of clinicians listed under Nurse Practitioner in Waterloo, IA (2024, 64 clinicians with data). Median for this group: 541. Middle half: 171 to 1,408.

More Medicare Part B services than 95% of clinicians listed under Nurse Practitioner in Iowa (2024, 671 clinicians with data). Median for this group: 338. Middle half: 121 to 805.

Medicare-allowed amount

A lower Medicare-allowed amount than 80% of clinicians listed under Nurse Practitioner in Waterloo, IA (2024, 64 clinicians with data). Median for this group: $34,862. Middle half: $14,286 to $81,637.

A lower Medicare-allowed amount than 80% of clinicians listed under Nurse Practitioner in Iowa (2024, 671 clinicians with data). Median for this group: $22,618. Middle half: $9,190 to $48,097.

Paid by Medicare

A lower Medicare payment amount than 80% of clinicians listed under Nurse Practitioner in Waterloo, IA (2024, 64 clinicians with data). Median for this group: $25,396. Middle half: $10,725 to $60,299.

A lower Medicare payment amount than 75% of clinicians listed under Nurse Practitioner in Iowa (2024, 671 clinicians with data). Median for this group: $16,808. Middle half: $6,606 to $35,763.

96 active clinicians are listed under Nurse Practitioner with a practice address in Waterloo, IA (1,294 in Iowa).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Waterloo

16.7% of these 96 clinicians have the CMS telehealth indicator.

54.2% of these 96 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
J1010 Injection, methylprednisolone acetate, 1 mg
2,840 30 $0.33 $0.12
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
34 30 $170.00 $69.90
20610 Aspiration and/or injection of fluid from large joint
32 26 $355.78 $54.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
15 15 $255.00 $100.73

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-04-25
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES IA A181288

(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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Iowa State Medical Licensing Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - NURSE PRACTITIONER

Medicare Enrollment ID

I20241002000427

Enrollment State Jurisdiction

IA

PECOS Control ID

8426589458

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Iowa Physicians Clinic Medical Foundation

1631 Logan Ave, Waterloo, IA 507031237

Phone: 3193402000

Iowa Physicians Clinic Medical Foundation

1825 Logan Ave, Waterloo, IA 507031916

Phone: 3192353886

Iowa Physicians Clinic Medical Foundation

201 E J Ave, Grundy Center, IA 506382028

Iowa Physicians Clinic Medical Foundation

4480 Utica Ridge Rd, Bettendorf, IA 527221644

Iowa Physicians Clinic Medical Foundation

4480 Utica Ridge Rd, Bettendorf, IA 527221637

Phone: 5637425950

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

5 listed
Dr. Robert Bartelt , MD

Orthopaedic Surgery

NPI 1851411532

Doctor of Medicine (M.D.)

Dr. Mark Gorsche , MD

Orthopaedic Surgery

NPI 1356789390

Doctor of Medicine (M.D.)

Megan O'neal , ARNP

Nurse Practitioner

NPI 1689158040

Advanced Registered Nurse Practitioner

Lindsay Rave , ARNP

Nurse Practitioner

NPI 1154189256

Advanced Registered Nurse Practitioner

Stephanie Smith , ARNP

Nurse Practitioner

NPI 1972031359

Advanced Registered Nurse Practitioner

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

7 Historical Events
๐Ÿ“
Updated Business Mailing Address April 25, 2025

Registered at 1825 LOGAN AVE, WATERLOO, IA 507031916 (Tel: 3192353941)

โœ…
NPI Profile Active September 26, 2024

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) September 26, 2024

Registered at 1631 LOGAN AVE, WATERLOO, IA 507031237 (Tel: 3198335381)

๐Ÿ“
Business Mailing Address (Initial Record) September 26, 2024

Registered at PO BOX 2758, WATERLOO, IA 507042758 (Tel: 3192355390)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) September 26, 2024

Recorded as EMMA KOESTER, ARNP

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2024

Nurse Practitioner (license number reported to NPPES: IA A181288)

๐ŸŸข
Initial NPI Registration & Enumeration September 12, 2024

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1487480778
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 12, 2024
Last Update: April 25, 2025
Sole Proprietor: No

Other Nurse Practitioners in Waterloo

All Nurse Practitioners in Waterloo

Mailing Address

1825 Logan Ave

Waterloo, IA 507031916

Phone: 3192353941

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.