Active NPI 1720487838 Individual Practitioner Female Practitioner

Crystal Wilken , ARNP

Nurse Practitioner • Waterloo, IA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Crystal Wilken, ARNP is a certified Nurse Practitioner practicing in Waterloo, IA. With approximately 12 years of clinical experience since completing medical education in 2014, Crystal Wilken delivers high-quality medical care to the local community at 2515 CYCLONE DR STE B.

Crystal Wilken is affiliated with Cedar Valley Medical Specialists Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, established patient outpatient office visit, destruction of skin growth. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2515 Cyclone Dr Ste B

Waterloo, IA 50701

Telephone 3198888044

Associated Practice Facility / Clinic

🏢 Ascent Integrated Specialists, Pllc Facility NPI 1689594111

Medicare Profile & Education

Medical School

Other

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Waterloo, IA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs +1.5 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

In-Person Office Visits Only

Medicare Pricing Discount

72.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wilken (12 Years) 12 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
17003 Destruction of precancer skin growth, 2-14 growths	1,510	207	$37.00	$5.16
99213 Established patient office or other outpatient visit, typically 15 minutes	1,276	707	$170.00	$71.14
17000 Destruction of skin growth	445	270	$173.00	$42.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	407	264	$255.00	$100.39
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	229	136	$329.00	$75.56
69210 Removal of impacted ear wax	195	103	$122.00	$33.72
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	144	95	$230.00	$58.71
17110 Destruction of up to 14 skin growths	121	90	$241.00	$83.60
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	89	69	$260.00	$64.41
31231 Diagnostic examination of nasal passages using an endoscope	57	44	$650.00	$140.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$285.00	$87.08
17004 Destruction of precancer skin growth, 15 or more growths	26	22	$506.00	$129.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$405.00	$125.03
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	17	15	$590.59	$201.95
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	17	13	$337.00	$60.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,518	204	$37.00	$5.26
99213 Established patient office or other outpatient visit, typically 15 minutes	1,332	726	$169.62	$71.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	461	281	$249.83	$100.45
17000 Destruction of skin growth	422	259	$173.00	$41.69
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	308	185	$330.07	$80.93
69210 Removal of impacted ear wax	203	92	$122.00	$34.83
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	161	112	$230.00	$61.33
17110 Destruction of up to 14 skin growths	106	80	$241.00	$84.27
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	105	75	$253.90	$61.02
31231 Diagnostic examination of nasal passages using an endoscope	45	34	$650.00	$147.57
17004 Destruction of precancer skin growth, 15 or more growths	44	32	$506.00	$132.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$282.41	$86.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$397.73	$126.29
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	21	16	$328.00	$55.23
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	15	14	$580.00	$199.28
11104 Punch biopsy, first skin growth	13	13	$322.00	$89.20
31575 Diagnostic exam of voice box using a flexible endoscope	12	12	$376.33	$92.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,682	234	$37.00	$5.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	897	472	$240.00	$102.44
99213 Established patient office or other outpatient visit, typically 15 minutes	848	605	$158.00	$72.05
17000 Destruction of skin growth	478	298	$173.00	$41.80
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	324	203	$329.00	$83.91
69210 Removal of impacted ear wax	195	105	$122.00	$35.01
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	184	130	$230.00	$63.42
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	111	81	$240.00	$67.64
17110 Destruction of up to 14 skin growths	87	76	$241.00	$82.73
17004 Destruction of precancer skin growth, 15 or more growths	54	36	$506.00	$133.94
31231 Diagnostic examination of nasal passages using an endoscope	38	31	$650.00	$150.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$385.00	$133.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$270.00	$84.35
11104 Punch biopsy, first skin growth	11	11	$322.00	$95.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,607	211	$37.00	$5.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	803	517	$240.00	$104.09
99213 Established patient office or other outpatient visit, typically 15 minutes	701	535	$158.00	$73.20
17000 Destruction of skin growth	409	267	$173.00	$40.39
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	325	227	$329.00	$87.02
69210 Removal of impacted ear wax	218	117	$122.00	$34.84
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	198	138	$222.95	$63.92
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	85	70	$230.86	$68.50
17110 Destruction of up to 14 skin growths	72	58	$241.00	$84.98
17004 Destruction of precancer skin growth, 15 or more growths	55	43	$506.00	$132.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$270.00	$89.96
31231 Diagnostic examination of nasal passages using an endoscope	40	36	$650.00	$156.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$385.00	$134.89
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	27	22	$328.00	$62.70
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	23	18	$567.83	$211.50
13101 Complicated repair of wound of trunk, 2.6-7.5 cm	15	12	$882.00	$320.94
31575 Diagnostic exam of voice box using a flexible endoscope	14	13	$308.00	$101.88
11104 Punch biopsy, first skin growth	11	11	$322.00	$103.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,413	235	$37.00	$4.81
99213 Established patient office or other outpatient visit, typically 15 minutes	1,129	684	$158.00	$59.96
17000 Destruction of skin growth	405	285	$173.00	$41.79
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	247	184	$302.13	$84.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	210	177	$240.00	$87.33
69210 Removal of impacted ear wax	208	119	$122.59	$35.58
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	144	105	$215.00	$61.85
17110 Destruction of up to 14 skin growths	90	71	$241.00	$78.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	86	86	$270.00	$86.18
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	78	61	$219.00	$65.17
17004 Destruction of precancer skin growth, 15 or more growths	37	30	$506.00	$126.56
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	25	$106.00	$35.94
31231 Diagnostic examination of nasal passages using an endoscope	32	31	$629.88	$148.48
31575 Diagnostic exam of voice box using a flexible endoscope	26	26	$308.00	$97.65
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	23	20	$328.00	$61.10
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	20	20	$524.00	$201.19
30903 Complex control of nose bleed	13	11	$551.00	$180.38
11104 Punch biopsy, first skin growth	13	12	$322.00	$100.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,480	229	$37.00	$4.30
99213 Established patient office or other outpatient visit, typically 15 minutes	1,304	710	$154.19	$58.65
17000 Destruction of skin growth	461	302	$173.00	$37.65
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	411	273	$250.00	$80.06
69210 Removal of impacted ear wax	241	126	$122.25	$34.59
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	225	164	$215.00	$60.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	212	181	$234.08	$86.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	134	134	$263.31	$85.57
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	99	83	$219.00	$59.82
17110 Destruction of up to 14 skin growths	77	66	$241.00	$76.18
31231 Diagnostic examination of nasal passages using an endoscope	47	44	$558.00	$156.35
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	33	26	$328.00	$59.19
17004 Destruction of precancer skin growth, 15 or more growths	30	24	$506.00	$118.97
31575 Diagnostic exam of voice box using a flexible endoscope	26	24	$308.00	$91.24
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	24	22	$524.00	$191.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$103.50	$35.51
11104 Punch biopsy, first skin growth	17	17	$322.00	$96.95
11200 Removal of skin tag, 1-15 skin tags	13	13	$195.00	$53.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,673	256	$37.00	$4.04
99213 Established patient office or other outpatient visit, typically 15 minutes	1,330	745	$150.00	$57.96
17000 Destruction of skin growth	523	328	$173.00	$41.28
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	382	273	$249.35	$81.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	244	203	$229.00	$85.91
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	204	151	$215.00	$59.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	172	172	$257.00	$85.37
69210 Removal of impacted ear wax	115	75	$123.06	$36.09
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	106	84	$219.00	$62.84
17110 Destruction of up to 14 skin growths	101	85	$241.00	$80.62
17004 Destruction of precancer skin growth, 15 or more growths	57	44	$506.00	$113.50
31231 Diagnostic examination of nasal passages using an endoscope	53	50	$558.00	$163.59
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	38	32	$328.00	$58.72
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	29	29	$524.00	$176.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	27	$101.00	$34.71
11100 Biopsy of single growth of skin and/or tissue	27	27	$228.00	$81.33
31575 Diagnostic exam of voice box using a flexible endoscope	25	24	$308.00	$84.66
11200 Removal of skin tag, 1-15 skin tags	15	15	$195.00	$56.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	1,441	243	$37.00	$4.32
99213 Established patient office or other outpatient visit, typically 15 minutes	1,040	604	$150.00	$57.73
17000 Destruction of skin growth	458	300	$173.00	$40.03
11310 Shaving of 0.5 centimeters or less skin growth of face, ears, eyelids, nose, lips, or mouth	399	282	$250.00	$80.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	214	185	$229.00	$85.25
11300 Shaving of 0.5 centimeters or less skin growth of the trunk, arms, or legs	188	142	$215.00	$56.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	148	148	$257.00	$85.01
11305 Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less	103	83	$219.00	$62.16
69210 Removal of impacted ear wax	84	53	$122.00	$34.65
17110 Destruction of up to 14 skin growths	66	60	$241.00	$78.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	53	$101.00	$34.20
17004 Destruction of precancer skin growth, 15 or more growths	49	41	$506.00	$116.96
11100 Biopsy of single growth of skin and/or tissue	37	33	$228.00	$80.30
31231 Diagnostic examination of nasal passages using an endoscope	37	30	$519.16	$161.58
11401 Removal of noncancer skin growth of body, arms, or legs, 0.6-1.0 cm	32	26	$328.00	$57.89
31575 Diagnostic exam of voice box using a flexible endoscope	27	27	$302.70	$88.48
12031 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.5 cm or less	17	17	$524.00	$178.85
30903 Complex control of nose bleed	14	12	$536.86	$171.10

Medical Specialties & State Licenses

CMS Verified: 2022-02-04

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IA A127007

(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

Cedar Valley Medical Specialists Pc

4150 Kimball Ave, Waterloo, IA 507019086

Cedar Valley Medical Specialists Pc

201 E J Ave, Grundy Center, IA 506382028

Phone: 3198245421

Cedar Valley Medical Specialists Pc

1253 4th St Sw, Waverly, IA 506774322

Phone: 3198335970

Cedar Valley Medical Specialists Pc

1825 Logan Ave, Waterloo, IA 507031916

Phone: 3192353941

Cedar Valley Medical Specialists Pc

1753 W Ridgeway Ave, Waterloo, IA 507014588

Secondary Practice Locations

1753 W Ridgeway Ave, Suite 111

Waterloo, IA 507014544

Phone: 3198335970

1753 W Ridgeway Ave, Suite 111

Waterloo, IA 507014544

Phone: 3198335970

Practice Associates & Co-Workers

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

11 Associated Practitioners

Amanda Knudsen , ARNP

Nurse Practitioner

NPI 1104614270

Advanced Registered Nurse Practitioner

Dr. Chalis Treloar , AuD, CCC-A, FAAA

Audiologist

NPI 1235484015

Doctor of Audiology, CCCA, FAAA

Dr. Kenny Rodriguez , MD

Otolaryngology

NPI 1447783139

Doctor of Medicine (M.D.)

Emily Clinton , ARNP

Nurse Practitioner

NPI 1508562489

Advanced Registered Nurse Practitioner

John Ruehs

Nurse Practitioner - Family

NPI 1548105885

Dr. Deborah Rieks , AuD

Audiologist

NPI 1578651329

Doctor of Audiology

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location November 11, 2019

Registered at 2515 CYCLONE DR STE B, WATERLOO, IA 50701 (Tel: 3198888044)

✅

NPI Profile Active August 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location August 14, 2014

Registered at 1753 W RIDGEWAY AVE, SUITE 111, WATERLOO, IA 507014544 (Tel: 3198335970)

📍

Updated Business Mailing Address August 14, 2014

Registered at PO BOX 2758, WATERLOO, IA 507042758 (Tel: 3198335970)

👤

Provider Name / Credentials Updated August 14, 2014

Recorded as CRYSTAL WILKEN, ARNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2014

Nurse Practitioner (License #A127007 in IA)

🟢

Initial NPI Registration & Enumeration August 14, 2014

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: 1720487838

Entity Type:

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

Enumeration Date: August 14, 2014

Last Update: February 04, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 2758

Waterloo, IA 507042758

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.