RICHARD J. WILLIAMSON PA-C
NPI 1619936010
Physician Assistant in San Antonio, TX

Q: What is Richard Williamson's NPI number?

The NPI number for Richard Williamson is 1619936010. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Q: What is Richard Williamson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment

8300 FLOYD CURL DR, 4TH FL - 4A, SAN ANTONIO, TX 78229(210) 450-9700(210) 450-6039 Get Directions Write a Review

NPPES record last updated: November 3, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Richard J. Williamson Pa-c NPPES

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

RICHARD J. WILLIAMSON PA-C (NPI 1619936010) is an individual physician assistant in San Antonio, Texas, licensed in Texas (PA00321) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1619936010

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameRICHARD J. WILLIAMSONCredential: PA-C

Location Address8300 FLOYD CURL DR, 4TH FL - 4ASan Antonio, TX 78229-3931

Mailing Address7703 Floyd Curl Dr, Mc7977San Antonio, TX 78229-3901 · (210) 450-9000

Phone(210) 450-9700

Fax(210) 450-6039

Sole ProprietorNo

Medical School CMSOtherGraduated 1981

Enumeration DateMarch 23, 2006

Last NPPES UpdateNovember 3, 2011

✔ NPI 1619936010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in TX · PA00321

Definition

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.

8300 FLOYD CURL DR, San Antonio, TX 78229

Open in Google Maps ↗

Other Identifiers 3

Medicare UPINS47299TX

Medicare ID-Type Unspecified84P507TX

Medicare PINTXB138048 (00T156)TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare.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

Richard J. Williamson 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 ID5890865588

PECOS Enrollment IDI20080625000300

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.

Hospital Affiliations CMS Care Compare

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

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Leave this field empty

Other Providers at the Same Location NPPES 20

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

SAPNA RAGHUNATHAN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9490

DR. THERESA LYNN STEWART M.D

Obstetrics & Gynecology (Maternal & Fetal Medicine)

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9500

ANNETTE B MARTIN PT

Physical Therapist

8300 FLOYD CURL DR, 4TH FLOOR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9700

MATTHEW M BRIGMON MD

Internal Medicine (Infectious Disease)

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9800

ASHLEY GERSHNER PA-C

Physician Assistant

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9300

LAAVANYA RAJU M.D.

Family Medicine

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9100

DR. AARON J.M. BOIS MD, MSC, FRCSC

Orthopaedic Surgery

8300 FLOYD CURL DR, 3RD FLOOR -3C
SAN ANTONIO, TX 78229

Bexar County (210) 450-9300

DR. PHILIP M JACOBS M.D.

Orthopaedic Surgery

8300 FLOYD CURL DR
SAN ANTONIO, TX 78229

Bexar County (210) 450-9300

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 Richard Williamson's NPI number?

The NPI number for Richard Williamson is 1619936010. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Richard Williamson located?

Richard Williamson practices at 8300 Floyd Curl Dr 4th Fl - 4A, San Antonio, TX 78229. The listed phone number is (210) 450-9700.

What is Richard Williamson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Richard Williamson enrolled in Medicare?

Yes. Richard Williamson 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 Richard Williamson accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Molina Healthcare list Richard Williamson 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 Richard Williamson affiliated with any hospitals?

According to CMS data, Richard Williamson is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Richard Williamson was last updated on November 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.