Active NPI 1821092511 Individual Practitioner Male Practitioner

William M Shimp , PA-C

Physician Assistant - Surgical • St Augustine, FL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Shimp, PA-C is a certified Physician Assistant - Surgical practicing in St Augustine, FL. With approximately 27 years of clinical experience since completing medical education in 1999, William Shimp delivers high-quality medical care to the local community at 300 HEALTH PARK BLVD STE 5008.

William Shimp maintains professional affiliations with Mayo Clinic Jacksonville, Villages Regional Hospital Physician Services Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital inpatient care per day, coronary artery bypass using artery graft, 1 graft, initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 Health Park Blvd Ste 5008

St Augustine, FL 320863705

Telephone 9044942394

Fax 9044006676

Associated Practice Facility / Clinic

🏢 Cardiothoracic & Vascular Surgical Associates Pa Facility NPI 1245111335

Medicare Profile & Education

Medical School

Other

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant - Surgical in St Augustine, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs Matches City Avg

City Avg: 27.0 Yrs

State Avg: 15.3 Yrs

Regional Practice Density

5 Specialists

Practicing in St Augustine, FL (1463 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Shimp (27 Years) 27 Yrs

St Augustine Specialty Average (27.0 Years) 27.0 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
99221 Initial hospital inpatient care per day, typically 30 minutes	32	32	$340.00	$69.14
33533 Coronary artery bypass using artery graft, 1 graft	32	32	$832.00	$243.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$527.00	$106.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	17	$152.00	$41.12
33518 Coronary artery bypass using vein or artery graft, 2 grafts	14	14	$185.00	$56.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	29	29	$832.00	$238.97
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	21	$138.22	$42.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$501.33	$110.28
35301 Removal of blood clot and portion of artery of neck	21	21	$509.00	$154.85
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$350.00	$71.02
33518 Coronary artery bypass using vein or artery graft, 2 grafts	14	14	$185.00	$57.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	27	16	$121.00	$33.18
33533 Coronary artery bypass using artery graft, 1 graft	18	18	$832.00	$261.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	12	$223.00	$60.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	38	38	$832.00	$257.32
35301 Removal of blood clot and portion of artery of neck	29	28	$509.00	$162.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	22	22	$223.00	$61.35
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	18	$121.00	$32.74
33508 Harvest of veins for coronary artery bypass procedure using an endoscope	22	22	$7.00	$2.28
33519 Coronary artery bypass using vein or artery graft, 3 grafts	20	20	$244.00	$79.40
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$313.00	$87.18
32480 Removal of lobe of lung	14	14	$655.00	$214.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	14	$318.00	$88.11
38746 Removal of lymph nodes from chest cavity and breast bone	11	11	$96.00	$31.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	48	48	$832.00	$250.97
33508 Harvest of veins for coronary artery bypass procedure using an endoscope	45	45	$7.00	$2.44
99221 Initial hospital inpatient care per day, typically 30 minutes	43	43	$313.00	$88.18
33518 Coronary artery bypass using vein or artery graft, 2 grafts	25	25	$185.00	$61.32
35301 Removal of blood clot and portion of artery of neck	24	21	$509.00	$164.96
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	19	$121.00	$33.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	13	$223.00	$62.32
33519 Coronary artery bypass using vein or artery graft, 3 grafts	12	12	$244.00	$76.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	43	43	$826.00	$255.49
99221 Initial hospital inpatient care per day, typically 30 minutes	38	38	$313.00	$87.24
35301 Removal of blood clot and portion of artery of neck	29	27	$503.00	$162.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	22	$121.00	$33.71
33518 Coronary artery bypass using vein or artery graft, 2 grafts	18	18	$183.00	$60.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$420.00	$117.19
33519 Coronary artery bypass using vein or artery graft, 3 grafts	14	14	$242.00	$79.57
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	12	$223.00	$62.10
33508 Harvest of veins for coronary artery bypass procedure using an endoscope	13	13	$7.00	$2.37
33025 Creation of opening or partial removal of sac that covers the heart	11	11	$351.00	$115.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	49	49	$812.00	$232.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	37	$414.00	$114.93
35301 Removal of blood clot and portion of artery of neck	34	31	$497.00	$162.35
33405 Replacement of aortic valve on heart-lung machine	16	16	$986.00	$261.60
33519 Coronary artery bypass using vein or artery graft, 3 grafts	16	16	$238.00	$77.75
33518 Coronary artery bypass using vein or artery graft, 2 grafts	14	14	$180.00	$58.83
34812 Incision of artery in one thigh for insertion of prosthesis, open procedure	12	12	$93.08	$44.69
34705 Repair of non-ruptured aorta and groin arteries on both sides with graft inserted through artery, including radiological supervision and interpretation	11	11	$667.00	$217.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
33533 Coronary artery bypass using artery graft, 1 graft	56	56	$823.00	$238.57
35301 Removal of blood clot and portion of artery of neck	36	30	$506.00	$155.11
33519 Coronary artery bypass using vein or artery graft, 3 grafts	22	22	$242.00	$77.64
33518 Coronary artery bypass using vein or artery graft, 2 grafts	18	18	$183.00	$58.71
33405 Replacement of aortic valve on heart-lung machine	16	16	$1000.00	$301.44

Medical Specialties & State Licenses

CMS Verified: 2026-05-15

Physician Assistant - Surgical Primary Specialty

NUCC Taxonomy Code: 363AS0400X

State License FL PA9101052

Definition to come...

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License FL PA9101052

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

124917400 (FL)

Hospital & Practice Group Affiliations

Villages Regional Hospital Physician Services Llc

400 Health Park Blvd, St Augustine, FL 320865784

Phone: 9048231447

Villages Regional Hospital Physician Services Llc

10435 Se 170th Pl, Summerfield, FL 344918998

Phone: 3522553615

Mayo Clinic Jacksonville

4500 San Pablo Rd S, Jacksonville, FL 322241865

Phone: 9049532000

Secondary Practice Locations

4500 San Pablo Rd S

Jacksonville, FL 322241865

Phone: 9049532000

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Derek Muehrcke , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1568464774

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 Business Mailing Address September 09, 2025

Registered at 1824 KING ST STE 200, JACKSONVILLE, FL 322044736 (Tel: 9043843343)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 09, 2025

Physician Assistant (License #PA9101052 in FL)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2025

Physician Assistant (License #PA9101052 in FL)

📍

Updated Practice Location November 22, 2022

Registered at 300 HEALTH PARK BLVD STE 5008, ST AUGUSTINE, FL 320863705 (Tel: 9044942394)

📍

Updated Practice Location May 10, 2018

Registered at 300 HEALTH PARK BLVD, STE 500, ST AUGUSTINE, FL 32086 (Tel: 9044942394)

📍

Updated Business Mailing Address May 10, 2018

Registered at 1824 KING ST, STE 200, JACKSONVILLE, FL 322044735 (Tel: 9043843343)

👤

Provider Name / Credentials Updated May 10, 2018

Recorded as WILLIAM SHIMP, PA-C

✅

NPI Profile Active November 07, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location November 07, 2007

Registered at 1824 KING ST, SUITE 200, JACKSONVILLE, FL 322044735 (Tel: 9044215586)

📍

Updated Business Mailing Address November 07, 2007

Registered at 1824 KING ST, SUITE 200, JACKSONVILLE, FL 322044735 (Tel: 9044215586)

👤

Provider Name / Credentials Updated November 07, 2007

Recorded as WILLIAM SHIMP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2007

Physician Assistant (License #PA9101052 in FL)

🟢

Initial NPI Registration & Enumeration June 09, 2005

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: 1821092511

Entity Type:

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

Enumeration Date: June 09, 2005

Last Update: May 15, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1824 King St Ste 200

Jacksonville, FL 322044736

Phone: 9043843343

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.