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Active NPI 1689964819 Individual Practitioner Male Practitioner

Alonzo Rivas , PA

Physician Assistant • Austin, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Alonzo Rivas, PA is a certified Physician Assistant practicing in Austin, TX. With approximately 16 years of clinical experience since completing medical education in 2010, Alonzo Rivas delivers high-quality medical care to the local community at 2410 E RIVERSIDE DR.

Alonzo Rivas is affiliated with Circle Medical Care Of California and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

2410 E Riverside Dr
Ste G-3

Austin, TX 787413083

Telephone 5127446000
Fax 5124483776
Associated Practice Facility / Clinic
🏢 Jeff E. Hagen, M.d. Facility NPI 1598899304

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Austin, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
16 Yrs +6.1 yrs vs City Avg
City Avg: 9.9 Yrs
State Avg: 13.9 Yrs
Regional Practice Density
611 Specialists

Practicing in Austin, TX (11140 Statewide)

Telehealth Adoption Rate
15.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Rivas (16 Years) 16 Yrs
Austin Specialty Average (9.9 Years) 9.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-03-19
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License TX PA07012

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.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License IL 085008756

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.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License NY 027617

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.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License WA PA61234695

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.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License CA PA66983

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.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License WI 875323

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.

Hospital & Practice Group Affiliations

Circle Medical Care Of California

333 1st St, San Francisco, CA 941052661

Phone: 8888033370

Secondary Practice Locations

1400 N Coit Rd Ste 302

Mckinney, TX 750716656

Phone: 8888033370

415 N Crescent Dr Ste 320

Beverly Hills, CA 902106813

Phone: 8888033370

21660 W Field Pkwy

Deer Park, IL 600107265

Phone: 8888033370

156 William St Rm 303

New York, NY 100385307

Phone: 8888033370

790 N Milwaukee St Ste 313

Milwaukee, WI 532024148

Phone: 8888033370

5373 W Alabama St Ste 204

Houston, TX 770565923

Phone: 8888033370

333 1st St Ste A

San Francisco, CA 941052661

Phone: 8888033370

555 Andover Park W Ste 200

Tukwila, WA 981883379

Phone: 8888033370

Practice Associates & Co-Workers

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

40 Associated Practitioners
Sheila Weekly , PNP

Nurse Practitioner - Pediatrics

NPI 1013207844

Pediatric Nurse Practitioner

Dorothy Garza , LMSW

Social Worker - Clinical

NPI 1033358148

Licensed Master Social Worker

Shannon Mcmahon , APRN

Nurse Practitioner - Psychiatric/Mental Health

NPI 1033532932

Advanced Practice Registered Nurse

Teresa Coco , PT

Physical Therapist

NPI 1033828090

Physical Therapist

Calyn Hughes , PNP

Nurse Practitioner - Pediatrics

NPI 1043563406

Pediatric Nurse Practitioner

Dr. Carrie Williamson , DPT

Physical Therapist - Pediatrics

NPI 1114169620

Doctor of Physical Therapy

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 19, 2026

Physician Assistant (License #085008756 in IL)

NPI Profile Active April 08, 2011

NPI status registered as active in NPPES database

📍
Updated Practice Location April 08, 2011

Registered at 2410 E RIVERSIDE DR, STE G-3, AUSTIN, TX 787413083 (Tel: 5127446000)

📍
Updated Business Mailing Address April 08, 2011

Registered at 2621 RIDGEPOINT DR, STE 130, AUSTIN, TX 787545232 (Tel: 5125839679)

👤
Provider Name / Credentials Updated April 08, 2011

Recorded as ALONZO RIVAS, PA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 08, 2011

Physician Assistant (License #PA07012 in TX)

🟢
Initial NPI Registration & Enumeration April 08, 2011

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: 1689964819
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 08, 2011
Last Update: March 19, 2026
Sole Proprietor: No

Mailing Address

2621 Ridgepoint Dr, Ste 130

Austin, TX 787545232

Phone: 5125839679

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.