Active NPI 1356723399 Individual Practitioner Female Practitioner

Mattie Joy Testroet , ARNP

Nurse Practitioner • Waterloo, IA

Telehealth Available

Professional Overview & Biography Verified Profile Summary

Mattie Testroet, ARNP is a certified Nurse Practitioner practicing in Waterloo, IA. With approximately 11 years of clinical experience since completing medical education in 2015, Mattie Testroet delivers high-quality medical care to the local community at 3530 W 4TH ST.

Mattie Testroet is affiliated with Allen Memorial Hospital Corporation and does not directly accept Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3530 W 4th St

Waterloo, IA 507014503

Telephone 3192332701

Fax 3192367993

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

Not Specified

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Waterloo, IA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs +0.5 yrs vs City Avg

City Avg: 10.5 Yrs

State Avg: 11.8 Yrs

Regional Practice Density

96 Specialists

Practicing in Waterloo, IA (1307 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

26.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Testroet (11 Years) 11 Yrs

Waterloo Specialty Average (10.5 Years) 10.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	548	371	$39.00	$13.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	493	290	$98.54	$76.35
99213 Established patient office or other outpatient visit, typically 15 minutes	141	128	$71.06	$52.07
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	51	41	$134.51	$112.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$141.27	$104.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	461	254	$98.40	$76.99
99213 Established patient office or other outpatient visit, typically 15 minutes	202	176	$70.53	$52.47
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	22	$136.00	$113.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$134.18	$105.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	506	273	$84.27	$79.04
99213 Established patient office or other outpatient visit, typically 15 minutes	254	227	$69.64	$53.78
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	14	$123.71	$100.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	469	279	$81.16	$80.09
99213 Established patient office or other outpatient visit, typically 15 minutes	196	186	$63.34	$54.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	42	41	$110.00	$110.00
38222 Biopsy and aspiration of bone marrow sample for diagnosis	20	20	$190.00	$62.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$77.00	$67.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$130.00	$109.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$327.00	$109.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	104	$80.66	$64.17
99213 Established patient office or other outpatient visit, typically 15 minutes	65	64	$61.00	$41.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	50	46	$114.80	$91.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	83	$80.00	$63.47
99213 Established patient office or other outpatient visit, typically 15 minutes	87	83	$61.00	$41.14
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	34	$110.00	$89.34
38222 Biopsy and aspiration of bone marrow sample for diagnosis	11	11	$190.00	$63.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	55	$106.43	$62.02
99213 Established patient office or other outpatient visit, typically 15 minutes	43	40	$73.21	$41.55
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	20	$140.86	$89.48
38222 Biopsy and aspiration of bone marrow sample for diagnosis	17	16	$378.29	$63.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	262	255	$109.88	$50.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	143	121	$117.51	$68.22
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$400.00	$162.63
G0364 Bone marrow aspiration performed with bone marrow biopsy through the same incision on the same date of service	11	11	$35.00	$7.11
38221 Needle or trocar bone marrow biopsy	11	11	$219.00	$61.07

Medical Specialties & State Licenses

CMS Verified: 2025-05-13

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IA A122571

(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.

Hospital & Practice Group Affiliations

Allen Memorial Hospital Corporation

3530 W 4th St, Waterloo, IA 507014503

Phone: 3192332701

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Julie Gleason , ARNP

Nurse Practitioner

NPI 1164726139

Advanced Registered Nurse Practitioner

Dr. Pawina Subedi , MD

Internal Medicine - Medical Oncology

NPI 1184277642

Doctor of Medicine (M.D.)

Dr. Jasjeet Sangha , MD

Internal Medicine - Hematology & Oncology

NPI 1215980602

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location May 13, 2025

Registered at 3530 W 4TH ST, WATERLOO, IA 507014503 (Tel: 3192332701)

📍

Updated Business Mailing Address May 13, 2025

Registered at 3530 W 4TH ST, WATERLOO, IA 507014503 (Tel: 3192332701)

✅

NPI Profile Active May 23, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location May 23, 2016

Registered at 419 E DONALD ST, WATERLOO, IA 507031500 (Tel: 3192361911)

📍

Updated Business Mailing Address May 23, 2016

Registered at PO BOX 2758, 4150 KIMBALL AVENUE, WATERLOO, IA 507042758 (Tel: 3192355390)

👤

Provider Name / Credentials Updated May 23, 2016

Recorded as MATTIE TESTROET, ARNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 23, 2016

Nurse Practitioner (License #A122571 in IA)

🟢

Initial NPI Registration & Enumeration June 26, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1356723399

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 26, 2015

Last Update: May 13, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3530 W 4th St

Waterloo, IA 507014503

Phone: 3192332701

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.