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Active NPI 1528791456 Individual Practitioner Male Practitioner

William Albert Stiles , APRN-CNP

Nurse Practitioner • San Antonio, TX

Professional Overview & Biography Verified Profile Summary

William Stiles, APRN-CNP is a registered healthcare professional specializing in Nurse Practitioner in San Antonio, TX. Practice services are available at 4411 MEDICAL DR STE 120 under active NPI credentials.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of 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

4411 Medical Dr Ste 120

San Antonio, TX 782293829

Telephone 2106145400
Fax 2106142413
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in San Antonio, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 7.9 Yrs
State Avg: 9.7 Yrs
Regional Practice Density
394 Specialists

Practicing in San Antonio, TX (4894 Statewide)

Telehealth Adoption Rate
9.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
71.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
862 167 $337.78 $95.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
220 78 $223.36 $62.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
156 138 $498.08 $140.39

Medical Specialties & State Licenses

CMS Verified: 2025-07-23
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License TX 1086577

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Registered Nurse

NUCC Taxonomy Code: 163W00000X

State License TX 860674

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Nurse Practitioner - Acute Care

NUCC Taxonomy Code: 363LA2100X

State License TX 1086577

Definition to come...

Nurse Practitioner - Gerontology

NUCC Taxonomy Code: 363LG0600X

State License TX 1086577

Definition to come...

Nurse Practitioner - Adult Health

NUCC Taxonomy Code: 363LA2200X

State License TX 1086577

Definition to come...

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Richard Baum , MD

Internal Medicine - Cardiovascular Disease

NPI 1013994987

Doctor of Medicine (M.D.)

Dr. Ananth Prasad , MD

Internal Medicine - Cardiovascular Disease

NPI 1023089703

Doctor of Medicine (M.D.)

Dr. Paul Celio , MD

Internal Medicine - Cardiovascular Disease

NPI 1023095965

Doctor of Medicine (M.D.)

Dr. Hunter Addis , MD

Internal Medicine - Cardiovascular Disease

NPI 1023098357

Doctor of Medicine (M.D.)

Sarah Senger

Nurse Practitioner

NPI 1033084017
Dr. John Mulrow , MD

Internal Medicine - Cardiovascular Disease

NPI 1043297922

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events
📍
Updated Practice Location July 23, 2025

Registered at 4411 MEDICAL DR STE 120, SAN ANTONIO, TX 782293829 (Tel: 2106145400)

📍
Updated Business Mailing Address July 23, 2025

Registered at 4411 MEDICAL DR STE 300, SAN ANTONIO, TX 782293824 (Tel: 2106145400)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2025

Nurse Practitioner (License #1086577 in TX)

NPI Profile Active July 07, 2022

NPI status registered as active in NPPES database

📍
Updated Practice Location July 07, 2022

Registered at 18707 HARDY OAK BLVD STE 405, SAN ANTONIO, TX 782584791 (Tel: 2104958280)

📍
Updated Business Mailing Address July 07, 2022

Registered at 7534 CARRIAGE PASS, SAN ANTONIO, TX 782492546 (Tel: 2107879650)

👤
Provider Name / Credentials Updated July 07, 2022

Recorded as WILLIAM STILES, APRN-CNP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 07, 2022

Registered Nurse (License #860674 in TX)

🟢
Initial NPI Registration & Enumeration July 07, 2022

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: 1528791456
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 07, 2022
Last Update: July 23, 2025
Sole Proprietor: Yes

Mailing Address

4411 Medical Dr Ste 300

San Antonio, TX 782293824

Phone: 2106145400

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.