TROY WILLIAMSON
NPI 1750166591
Physician Assistant in Los Alamitos, CA

Q: What is Troy Williamson's NPI number?

The NPI number for Troy Williamson is 1750166591. It was assigned to this individual provider in the NPPES registry on August 29, 2023.

Q: What is Troy Williamson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Troy Williamson was last updated on January 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 29, 2023PECOS Enrolled

3751 KATELLA AVE, LOS ALAMITOS, CA 90720(562) 598-1311 Get Directions Write a Review

NPPES record last updated: January 27, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Troy Williamson NPPES

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

TROY WILLIAMSON (NPI 1750166591) is an individual physician assistant in Los Alamitos, California, licensed in California (PA63942) and active in the NPI registry since August 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750166591

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameTROY WILLIAMSON

Location Address3751 KATELLA AVELos Alamitos, CA 90720-3113

Mailing Address3449 Watermarke PlIrvine, CA 92612-5620 · (606) 548-0352

Phone(562) 598-1311

Sole ProprietorYes

Enumeration DateAugust 29, 2023

Last NPPES UpdateJanuary 27, 2024

NPPES CertifiedJanuary 27, 2024

✔ NPI 1750166591 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 CA · PA63942

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.

3751 KATELLA AVE, Los Alamitos, CA 90720

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Troy Williamson is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

44 services31 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

35 services35 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

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.

MEI MEDICAL CORPORATION

Anesthesiology