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Active NPI 1467947937 Individual Practitioner Female Practitioner

Julia Rose Tremillo , PA-C

Physician Assistant • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Julia Tremillo, PA-C is a certified Physician Assistant practicing in Appleton, WI. With approximately 8 years of clinical experience since completing medical education in 2018, Julia Tremillo delivers high-quality medical care to the local community at 3925 N GATEWAY DR.

Julia Tremillo is affiliated with Thedacare, Incorporated and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

3925 N Gateway Dr

Appleton, WI 549137863

Telephone 9207026371
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2018

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Appleton, WI

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
8 Yrs -3.5 yrs vs City Avg
City Avg: 11.5 Yrs
State Avg: 14.1 Yrs
Regional Practice Density
108 Specialists

Practicing in Appleton, WI (3517 Statewide)

Telehealth Adoption Rate
6.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
80.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Tremillo (8 Years) 8 Yrs
Appleton Specialty Average (11.5 Years) 11.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
51 51 $389.80 $103.78
99213 Established patient office or other outpatient visit, typically 15 minutes
36 36 $263.00 $74.36
80048 Blood test, basic group of blood chemicals (calcium, total)
23 23 $60.00 $8.27
36415 Insertion of needle into vein for collection of blood sample
22 22 $13.00 $8.32
71046 X-ray of chest, 2 views
20 20 $186.70 $22.27
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
19 19 $56.80 $7.59
81001 Manual urinalysis test with examination using microscope, automated
17 17 $18.20 $3.08
87631 Detection test for multiple types of respiratory virus
17 17 $880.20 $139.78

Medical Specialties & State Licenses

CMS Verified: 2025-10-14
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WI 4406-23

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
100080185 (WI)

Hospital & Practice Group Affiliations

Thedacare, Incorporated

900 E Grant St, Appleton, WI 549113454

Phone: 9208315050

Thedacare, Incorporated

3925 N Gateway Dr, Appleton, WI 549137863

Phone: 8207026477

Thedacare, Incorporated

333 N Green Bay Rd, Neenah, WI 549561954

Phone: 9207202300

Thedacare, Incorporated

1818 N Meade St Room, Appleton, WI 549113454

Phone: 9207303383

Thedacare, Incorporated

4480 W Spencer St, Appleton, WI 54915

Phone: 9207384800

Thedacare, Incorporated

1818 N Meade St, Appleton, WI 549113454

Thedacare, Incorporated

600 N Westhaven Dr, Oshkosh, WI 549046926

Phone: 9207250077

Secondary Practice Locations

1506 S Oneida St

Appleton, WI 549151305

Phone: 4142906720

500 S Oakwood Rd

Oshkosh, WI 549047944

Phone: 4142906720

855 N Westhaven Dr

Oshkosh, WI 549047668

Phone: 9203038700

333 N Green Bay Rd

Neenah, WI 549561954

Phone: 9207026371

Practice Associates & Co-Workers

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

15 Associated Practitioners
Dr. Saba Khan , DO

Family Medicine

NPI 1033850821

Doctor of Osteopathic Medicine (D.O.)

Crystal Sommerfeld , APNP

Nurse Practitioner - Family

NPI 1083490239

Advanced Practice Nurse Prescriber

Jenifer Grooms , CRNP, APRN

Nurse Practitioner - Family

NPI 1104178896

Certified Registered Nurse Practitioner, Advanced Practice Registered Nurse

Avery Allard

Nurse Practitioner - Family

NPI 1154057214
NPI 1164490629

Doctor of Medicine (M.D.)

Karlee Curtis

Physician Assistant

NPI 1215630959

Career & Practice History Timeline

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

11 Historical Events
👤
Provider Name / Credentials Updated October 14, 2025

Recorded as JULIA TREMILLO, PA-C

📍
Updated Practice Location November 21, 2023

Registered at 3925 N GATEWAY DR, APPLETON, WI 549137863 (Tel: 9207026371)

📍
Updated Business Mailing Address November 21, 2023

Registered at 3 NEENAH CTR, NEENAH, WI 549563070 (Tel: 9207026371)

📍
Updated Practice Location October 16, 2023

Registered at 855 N WESTHAVEN DR, OSHKOSH, WI 549047668 (Tel: 9203038700)

📍
Updated Business Mailing Address October 16, 2023

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 9203038700)

NPI Profile Active June 27, 2018

NPI status registered as active in NPPES database

📍
Updated Practice Location June 27, 2018

Registered at 1506 S ONEIDA ST, APPLETON, WI 549151305 (Tel: 4142906720)

📍
Updated Business Mailing Address June 27, 2018

Registered at 111 E WISCONSIN AVE STE 2000, MILWAUKEE, WI 532024809 (Tel: 4142906720)

👤
Provider Name / Credentials Updated June 27, 2018

Recorded as JULIA PROSSER, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2018

Physician Assistant (License #4406-23 in WI)

🟢
Initial NPI Registration & Enumeration June 27, 2018

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: 1467947937
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 27, 2018
Last Update: October 14, 2025
Sole Proprietor: No

Mailing Address

3 Neenah Ctr

Neenah, WI 549563070

Phone: 9208305900

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.