WILLIAM M SHIMP PA-C
NPI 1821092511
Physician Assistant - Surgical in St Augustine, FL

Q: What is William Shimp's NPI number?

The NPI number for William Shimp is 1821092511. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is William Shimp's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for William Shimp was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment

300 HEALTH PARK BLVD STE 5008, ST AUGUSTINE, FL 32086(904) 494-2394(904) 400-6676 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2026, Sep 9, 2025, May 28, 2025 and 3 more (6 updates tracked since 2018).

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About William M Shimp Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M SHIMP PA-C (NPI 1821092511) is an individual surgical provider in St Augustine, Florida, licensed in Florida (PA9101052) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Flagler Hospital, and maintains a secondary practice location in Jacksonville.

NPPES Registry Identity

NPI1821092511

Entity TypeIndividualMale

Primary Taxonomy363AS0400X

Provider Legal NameWILLIAM M SHIMPCredential: PA-C

Location Address300 HEALTH PARK BLVD STE 5008St Augustine, FL 32086-3705

Mailing Address1824 King St Ste 200Jacksonville, FL 32204-4736 · (904) 384-3343 · Fax (904) 400-6671

Phone(904) 494-2394

Fax(904) 400-6676

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateJune 9, 2005

Last NPPES UpdateMay 15, 20266 updates tracked since enumeration

NPPES CertifiedMay 15, 2026

✔ NPI 1821092511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in FL · PA9101052

Also ListedPhysician AssistantTaxonomy 363A00000X · License PA9101052 (FL)

300 HEALTH PARK BLVD STE 5008, St Augustine, FL 32086

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Secondary Practice Location 1

Location 14500 San Pablo Rd SJacksonville, FL 32224-1865 · Phone (904) 953-2000

Other Identifiers 1

Medicaid124917400FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Oscar Health Maintenance Organization of Florida, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William M Shimp Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618161530

PECOS Enrollment IDI20101104000130

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Coronary artery bypass using artery graft, 1 graft 33533

A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.

32 services32 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

32 services32 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

31 services31 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

26 services17 patients

Coronary artery bypass using vein or artery graft, 2 grafts 33518

A coronary artery bypass with 2 grafts is a surgery to improve blood flow to your heart. A surgeon takes a healthy vein or artery from your body and attaches it to the blocked coronary artery. This creates a new path for blood to flow, bypassing the blockage.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Flagler Hospital

Acute Care Hospitals · Saint Augustine, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100090

Location400 Health Park BlvdSaint Augustine, FL 32086 · St. Johns County

Emergency services Birthing friendly

Mayo Clinic

Acute Care Hospitals · Jacksonville, FL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100151

Location4500 San Pablo RdJacksonville, FL 32224 · Duval County

Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Perioperative Care: Selection of Prophylactic Antibiotic - First OR Second Generation Cephalosporin

Percentage of surgical patients aged 18 years and older undergoing procedures with the indications for a first OR second generation cephalosporin prophylactic antibiotic, who had an order for a first OR second generation cephalosporin for antimicrobial…

100%143 patients

Perioperative Care: Venous Thromboembolism (VTE) Prophylaxis (When Indicated in ALL Patients)

Percentage of surgical patients aged 18 years and older undergoing procedures for which venous thromboembolism (VTE) prophylaxis is indicated in all patients, who had an order for Low Molecular Weight Heparin (LMWH), Low- Dose Unfractionated Heparin (LDUH)…

100%70 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEREK D MUEHRCKE MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

300 HEALTH PARK BLVD STE 5008
ST AUGUSTINE, FL 32086

St. Johns County (904) 494-2394

ALEXIA YAVALAR

Physician Assistant

300 HEALTH PARK BLVD STE 5008
ST AUGUSTINE, FL 32086

St. Johns County (904) 819-2015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Shimp's NPI number?

The NPI number for William Shimp is 1821092511. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is William Shimp located?

William Shimp practices at 300 Health Park Blvd Ste 5008, St Augustine, FL 32086. The listed phone number is (904) 494-2394.

What is William Shimp's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is William Shimp enrolled in Medicare?

Yes. William Shimp is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Shimp accept?

Health plans from AvMed, Oscar Health Maintenance Organization of Florida and UnitedHealthcare list William Shimp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Shimp affiliated with any hospitals?

According to CMS data, William Shimp is affiliated with Flagler Hospital and Mayo Clinic.

When was this NPI record last updated?

The NPPES record for William Shimp was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.