Active NPI 1457523011 Individual Practitioner Male Practitioner

David W. Williams , PA

Physician Assistant • St Augustine, FL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

David Williams, PA is a certified Physician Assistant practicing in St Augustine, FL. With approximately 28 years of clinical experience since graduating from University Of North Dakota School Of Medicine in 1998, David Williams delivers high-quality medical care to the local community at 400 HEALTH PARK BLVD.

David Williams accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection, lincomycin hcl, up to 300 mg, injection beneath the skin or into muscle for therapy, diagnosis, or prevention. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

400 Health Park Blvd

St Augustine, FL 320865784

Telephone 9048194300

Associated Practice Facility / Clinic

🏢 Emergency Physicians Of St. Johns County Facility NPI 1801881818

Medicare Profile & Education

Medical School

University Of North Dakota School Of Medicine

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in St Augustine, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

28 Yrs +16.9 yrs vs City Avg

City Avg: 11.1 Yrs

State Avg: 11.1 Yrs

Regional Practice Density

41 Specialists

Practicing in St Augustine, FL (10376 Statewide)

Telehealth Adoption Rate

2.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

48.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (28 Years) 28 Yrs

St Augustine Specialty Average (11.1 Years) 11.1 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	73	37	$204.00	$105.94
99213 Established patient office or other outpatient visit, typically 15 minutes	62	30	$144.00	$75.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	135	50	$144.44	$75.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	42	$204.00	$106.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	101	42	$143.52	$76.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	44	$202.70	$107.70
J2010 Injection, lincomycin hcl, up to 300 mg	19	11	$37.68	$9.69
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	12	$20.00	$11.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	117	44	$118.32	$78.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	105	51	$164.86	$111.21
93000 Routine ekg using at least 12 leads including interpretation and report	16	14	$30.00	$12.58
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	14	11	$17.71	$11.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$210.00	$144.62
G0444 Annual depression screening, 5 to 15 minutes	14	14	$25.00	$15.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	141	48	$89.43	$63.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	97	52	$127.89	$91.67
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$32.18	$14.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$210.00	$141.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	122	47	$89.67	$62.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	43	$129.21	$91.27
G0444 Annual depression screening, 5 to 15 minutes	27	27	$27.96	$14.96
93000 Routine ekg using at least 12 leads including interpretation and report	26	26	$31.17	$14.10
J2010 Injection, lincomycin hcl, up to 300 mg	23	15	$23.83	$12.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$210.00	$139.36

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	59	32	$128.98	$87.59
99213 Established patient office or other outpatient visit, typically 15 minutes	50	33	$89.40	$59.34

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License FL PA3576

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.

Practice Associates & Co-Workers

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

40 Associated Practitioners

David Goins , PA

Physician Assistant

NPI 1003901935

Physician Assistant

Dr. Teresa Mazur , MD

Emergency Medicine

NPI 1013002864

Doctor of Medicine (M.D.)

Dr. Ripp Smith , MD

Radiology - Diagnostic Radiology

NPI 1013997956

Doctor of Medicine (M.D.)

Dr. Gary Cater , DO

Pediatrics - Neonatal-Perinatal Medicine

NPI 1033254214

Doctor of Osteopathic Medicine (D.O.)

Emily Mccarthy

Nurse Anesthetist, Certified Registered

NPI 1043188824

Dr. Gilbert Kennedy , MD

Emergency Medicine

NPI 1043288707

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 21, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location December 21, 2015

Registered at 400 HEALTH PARK BLVD, ST AUGUSTINE, FL 320865784 (Tel: 9048194300)

📍

Updated Business Mailing Address December 21, 2015

Registered at 100 ARRICOLA AVE, SAINT AUGUSTINE, FL 320804515 (Tel: 9047977740)

👤

Provider Name / Credentials Updated December 21, 2015

Recorded as DAVID WILLIAMS, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 21, 2015

Physician Assistant (License #PA3576 in FL)

🟢

Initial NPI Registration & Enumeration March 24, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for David Williams. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1457523011

Entity Type:

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

Enumeration Date: March 24, 2008

Last Update: December 21, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

100 Arricola Ave

Saint Augustine, FL 320804515

Phone: 9047977740

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.