Active NPI 1497033609 Individual Practitioner Female Practitioner

Katherine Lynn Erstad , NP

Nurse Practitioner • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Katherine Erstad, NP is a certified Nurse Practitioner practicing in Appleton, WI. With approximately 15 years of clinical experience since completing medical education in 2011, Katherine Erstad delivers high-quality medical care to the local community at 145 W CALUMET ST.

Katherine Erstad is affiliated with Fox Valley Surgical Associates Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, blood test, lipids (cholesterol and triglycerides). Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

145 W Calumet St

Appleton, WI 549154934

Telephone 9209674141

Fax 8339721585

Associated Practice Facility / Clinic

🏢 Piic Clinical Services, Pc Facility NPI 1639843121

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Appleton, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs +5.2 yrs vs City Avg

City Avg: 9.8 Yrs

State Avg: 12.1 Yrs

Regional Practice Density

156 Specialists

Practicing in Appleton, WI (4030 Statewide)

Telehealth Adoption Rate

6.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

72.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Erstad (15 Years) 15 Yrs

Appleton Specialty Average (9.8 Years) 9.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	47	29	$15.62	$3.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	35	$347.55	$105.67
80061 Blood test, lipids (cholesterol and triglycerides)	24	23	$82.29	$13.39
80048 Blood test, basic group of blood chemicals (calcium, total)	21	20	$60.21	$8.46
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$235.13	$74.36
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	15	15	$386.82	$107.81

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	57	53	$334.58	$89.14
36415 Insertion of needle into vein for collection of blood sample	46	40	$14.82	$2.99
99213 Established patient office or other outpatient visit, typically 15 minutes	43	41	$225.72	$61.20
80048 Blood test, basic group of blood chemicals (calcium, total)	31	26	$58.66	$8.43
81001 Manual urinalysis test with examination using microscope, automated	13	13	$17.13	$3.16
G0008 Administration of influenza virus vaccine	12	11	$69.67	$16.17
80061 Blood test, lipids (cholesterol and triglycerides)	12	11	$80.54	$13.32
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	11	11	$373.14	$95.06

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	79	68	$309.43	$88.56
99213 Established patient office or other outpatient visit, typically 15 minutes	45	38	$207.44	$60.54
36415 Insertion of needle into vein for collection of blood sample	37	31	$12.00	$2.94
80048 Blood test, basic group of blood chemicals (calcium, total)	20	20	$57.50	$9.21
G0008 Administration of influenza virus vaccine	14	14	$68.30	$14.78
81001 Manual urinalysis test with examination using microscope, automated	13	11	$16.50	$3.45

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	79	58	$295.00	$87.98
99213 Established patient office or other outpatient visit, typically 15 minutes	54	45	$199.00	$59.53
36415 Insertion of needle into vein for collection of blood sample	43	37	$11.85	$2.94
81001 Manual urinalysis test with examination using microscope, automated	19	17	$16.53	$3.84
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	17	17	$40.04	$7.82
82565 Blood creatinine level	14	12	$29.08	$6.20

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	61	50	$286.00	$87.57
99213 Established patient office or other outpatient visit, typically 15 minutes	61	56	$193.00	$59.57
36415 Insertion of needle into vein for collection of blood sample	51	39	$10.69	$2.94
82565 Blood creatinine level	20	14	$28.29	$3.60
84132 Blood potassium level	18	14	$25.41	$3.05
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	16	15	$52.25	$10.45
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$81.00	$13.73
80048 Blood test, basic group of blood chemicals (calcium, total)	12	12	$58.41	$10.75
G0008 Administration of influenza virus vaccine	12	12	$63.00	$24.29
81001 Manual urinalysis test with examination using microscope, automated	12	12	$16.76	$4.26
84295 Blood sodium level	11	11	$26.59	$2.87

Medical Specialties & State Licenses

CMS Verified: 2024-11-13

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License WI 4894-33

(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.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License TX TEMP

Definition to come...

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License WI 4894

Definition to come...

Hospital & Practice Group Affiliations

Fox Valley Surgical Associates Ltd

2000 E Milestone Dr, Appleton, WI 549136701

Phone: 9207318131

Practice Associates & Co-Workers

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

3 Associated Practitioners

Kirsten Pethan , PA-C

Physician Assistant

NPI 1033465679

Physician Assistant (Certified)

Teresa Gajewski , PA

Physician Assistant

NPI 1508142001

Physician Assistant

Dr. Anne Jordan , MD

Family Medicine

NPI 1689088825

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location November 13, 2024

Registered at 145 W CALUMET ST, APPLETON, WI 549154934 (Tel: 9209674141)

📍

Updated Business Mailing Address November 13, 2024

Registered at 145 W CALUMET ST, APPLETON, WI 549154934 (Tel: 9209674141)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 13, 2024

Nurse Practitioner (License #TEMP in TX)

✅

NPI Profile Active January 12, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location January 12, 2015

Registered at 520 W 3RD ST, KIMBERLY, WI 541361300 (Tel: 9207887680)

📍

Updated Business Mailing Address January 12, 2015

Registered at PO BOX 8003, APPLETON, WI 549128003 (Tel: 9209963200)

👤

Provider Name / Credentials Updated January 12, 2015

Recorded as KATHERINE ERSTAD, NP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 12, 2015

Nurse Practitioner (License #4894-33 in WI)

🟢

Initial NPI Registration & Enumeration July 22, 2011

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: 1497033609

Entity Type:

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

Enumeration Date: July 22, 2011

Last Update: November 13, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

145 W Calumet St

Appleton, WI 549154934

Phone: 9209674141

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.