Active NPI 1255715678 Individual Practitioner Female Practitioner

Grace Rothstein Immel , PA-C

Physician Assistant • Milwaukee, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Grace Immel, PA-C is a certified Physician Assistant practicing in Milwaukee, WI. With approximately 11 years of clinical experience since completing medical education in 2015, Grace Immel delivers high-quality medical care to the local community at 9200 W WISCONSIN AVE.

Grace Immel is affiliated with Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, diagnostic examination of nasal passages using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9200 W Wisconsin Ave

Milwaukee, WI 532263522

Telephone 4148056000

Fax 4148056280

Associated Practice Facility / Clinic

🏢 Froedtert Memorial Lutheran Hospital, Inc. Facility NPI 1255334173

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Milwaukee, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs +0.9 yrs vs City Avg

City Avg: 10.1 Yrs

State Avg: 14.1 Yrs

Regional Practice Density

824 Specialists

Practicing in Milwaukee, WI (3517 Statewide)

Telehealth Adoption Rate

11.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Immel (11 Years) 11 Yrs

Milwaukee Specialty Average (10.1 Years) 10.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$395.18	$122.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	26	$108.98	$41.80
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$180.60	$71.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$395.18	$134.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$108.98	$43.85
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$180.60	$74.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$395.18	$136.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	22	22	$182.81	$55.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$252.16	$85.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	29	$89.06	$37.07
99213 Established patient office or other outpatient visit, typically 15 minutes	30	28	$172.20	$59.12
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$244.67	$86.88
31231 Diagnostic examination of nasal passages using an endoscope	29	28	$618.10	$163.71
69210 Removal of impacted ear wax	19	17	$314.26	$38.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	23	21	$188.09	$59.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	18	17	$240.00	$59.40
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	12	12	$380.00	$85.19

Medical Specialties & State Licenses

CMS Verified: 2026-02-11

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WI 3626-23

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

1255715678 (WI)

Hospital & Practice Group Affiliations

Froedtert Andthe Medical College Of Wisconsin Community Physicians Inc

W168n11237 Western Ave, Germantown, WI 530223239

Phone: 2622535060

Secondary Practice Locations

10610 N Port Washington Rd

Mequon, WI 530925013

Phone: 4147716780

2885 N Mayfair Rd

Wauwatosa, WI 532224404

Phone: 4147716780

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Christopher Boyd , MD

Internal Medicine - Cardiovascular Disease

NPI 1003201856

Doctor of Medicine (M.D.)

Dr. Jose Mendez , MD

Internal Medicine - Advanced Heart Failure and Transplant Cardiology

NPI 1013965482

Doctor of Medicine (M.D.)

Samuel Kinney , APNP

Nurse Practitioner

NPI 1023990223

Advanced Practice Nurse Prescriber

Dr. James Macioch , DO

Internal Medicine - Cardiovascular Disease

NPI 1033148895

Doctor of Osteopathic Medicine (D.O.)

Dr. Aimee Zullo , MD

Internal Medicine - Cardiovascular Disease

NPI 1033233374

Doctor of Medicine (M.D.)

Dr. S. Dalip Singh , MD

Internal Medicine - Clinical Cardiac Electrophysiology

NPI 1043264955

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location February 11, 2026

Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148056000)

📍

Updated Business Mailing Address February 11, 2026

Registered at 9200 W WISCONSIN AVE, MILWAUKEE, WI 532263522 (Tel: 4148056000)

📍

Updated Business Mailing Address April 06, 2021

Registered at 10001 W INNOVATION DR STE 200, WAUWATOSA, WI 532264851 (Tel: 4147716780)

👤

Provider Name / Credentials Updated September 06, 2019

Recorded as GRACE IMMEL, PA-C

📍

Updated Practice Location November 16, 2018

Registered at 2885 N MAYFAIR RD, WAUWATOSA, WI 532224404 (Tel: 4147716780)

📍

Updated Business Mailing Address November 16, 2018

Registered at 2885 N MAYFAIR RD, WAUWATOSA, WI 532224404 (Tel: 4147716780)

👤

Provider Name / Credentials Updated November 16, 2018

Recorded as GRACE ROTHSTEIN, PA-C

✅

NPI Profile Active January 11, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location January 11, 2016

Registered at 8905 W LINCOLN AVE, STE 401, WEST ALLIS, WI 532272468 (Tel: 4143288480)

📍

Updated Business Mailing Address January 11, 2016

Registered at 8905 W LINCOLN AVE, STE 401, WEST ALLIS, WI 532272468 (Tel: 4143288480)

👤

Provider Name / Credentials Updated January 11, 2016

Recorded as GRACE ROTHSTEIN

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 11, 2016

Physician Assistant (License #3626-23 in WI)

🟢

Initial NPI Registration & Enumeration July 15, 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: 1255715678

Entity Type:

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

Enumeration Date: July 15, 2015

Last Update: February 11, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9200 W Wisconsin Ave

Milwaukee, WI 532263522

Phone: 4148056000

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.