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ROBERT A. WILLIAMSON JR. M.D.
NPI 1013929017
Otolaryngology in Austin, TX

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
71.01/100
CMS Quality Rating
6811 AUSTIN CENTER BLVD, SUITE 300, AUSTIN, TX 78731(512) 346-8888(512) 406-7321 Get Directions Write a Review

NPPES record last updated: October 21, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 21, 2016, Aug 30, 2016, Aug 9, 2016 (3 updates tracked since 2016).

About Robert A. Williamson Jr. M.d. NPPES

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

ROBERT A. WILLIAMSON JR. M.D. (NPI 1013929017) is an individual otolaryngology provider in Austin, Texas, licensed in Texas (M6956) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1995).

NPPES Registry Identity

NPI1013929017
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameROBERT A. WILLIAMSON JR.Credential: M.D.
Location Address6811 AUSTIN CENTER BLVD, SUITE 300Austin, TX 78731-3146
Mailing Address4515 Seton Center Pkwy, Suite 215 - CredentialingAustin, TX 78759-5290 · (512) 231-5507 · Fax (512) 406-6216
Phone(512) 346-8888
Fax(512) 406-7321
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1995
Enumeration DateAugust 12, 2006
Last NPPES UpdateOctober 21, 20163 updates tracked since enumeration
✔ NPI 1013929017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in TX · M6956
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
6811 AUSTIN CENTER BLVD, Austin, TX 78731
Open in Google Maps ↗

Other Identifiers 4

Medicare PIN349937YKXVTX
Medicaid187567612TX
Medicare PIN349937YKXYTX
Medicaid187567611TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Robert A. Williamson Jr. M.d. 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 ID3870548993
PECOS Enrollment IDI20070703000687
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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78731 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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.

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.

71.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.21
Promoting Interoperability97
Improvement Activities40
Cost13.61

Reported Quality Measures

Breast Cancer Screening
13%47 patients1/55-star benchmark: 93%
Cervical Cancer Screening
20%79 patients1/55-star benchmark: 98%
Childhood Immunization Status
4%74 patients
Chlamydia Screening for Women
9%22 patients
Closing the Referral Loop: Receipt of Specialist Report
43%74 patients2/55-star benchmark: 87%
Colorectal Cancer Screening
8%112 patients1/55-star benchmark: 88%
Documentation of Current Medications in the Medical Record
100%377 patients5/55-star benchmark: 100%
e-Prescribing
98%562 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
0%61 patients1/55-star benchmark: 100%
HIV Screening
2%255 patients1/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
28%225 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
4%360 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
0%314 patients1/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 16% · 167 patients
16%167 patients
Provide Patients Electronic Access to Their Health Information
66%693 patients3/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 63 patients
Patients totalRate: 3% · 63 patients
3%63 patients4/55-star benchmark: 100%
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
2 suppliers12 claims50 services$13.13 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers13 claims13 services$43.90 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
4 suppliers14 claims14 services$13.89 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
1 supplier12 claims12 services$11.93 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers19 claims109 services$1.78 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

LADONNA L IMMKEN MD
Medical Genetics (Clinical Genetics (M.D.))
6811 AUSTIN CENTER BLVD, SUITE #400
AUSTIN, TX 78731
Travis County (512) 628-1840
JENNIFER MARIE AGULNEK MA, OTR/L
Occupational Therapist
6811 AUSTIN CENTER BLVD, SUITE 400
AUSTIN, TX 78731
Travis County (512) 628-1918
MUHAMMAD MUNIR MD
Psychiatry & Neurology (Neurology)
6811 AUSTIN CENTER BLVD, SUITE 420
AUSTIN, TX 78731
Travis County (512) 324-2715
HONEY NAGAKURA M.S.
Genetic Counselor, MS
6811 AUSTIN CENTER BLVD, STE. 400
AUSTIN, TX 78731
Travis County (512) 628-1952
MARGARET A. MORGAN AU.D.
Audiologist
6811 AUSTIN CENTER BLVD, #300
AUSTIN, TX 78731
Travis County (512) 346-8888
MS. MARY C. STONER PNP
Nurse Practitioner (Pediatrics)
6811 AUSTIN CENTER BLVD, SPECIALLY FOR CHILDREN
AUSTIN, TX 78731
Travis County (512) 628-1850
GEORGE P RODGERS MD
Internal Medicine (Cardiovascular Disease)
6811 AUSTIN CENTER BLVD, SUITE 410
AUSTIN, TX 78731
Travis County (512) 324-2705
DR. BOBBY JOE KENNEDY DO
Dermatology
6811 AUSTIN CENTER BLVD, #300
AUSTIN, TX 78731
Travis County (512) 346-8888

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 Robert Williamson's NPI number?

The NPI number for Robert Williamson is 1013929017. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Robert Williamson located?

Robert Williamson practices at 6811 Austin Center Blvd Suite 300, Austin, TX 78731. The listed phone number is (512) 346-8888.

What is Robert Williamson's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Robert Williamson enrolled in Medicare?

Yes. Robert 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 Robert Williamson accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Robert 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.

When was this NPI record last updated?

The NPPES record for Robert Williamson was last updated on October 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.