MR. WILLIAM MICHAEL WEISS MD
NPI 1053755454
Orthopaedic Surgery - Sports Medicine in Galveston, TX

Q: What is William Weiss's NPI number?

The NPI number for William Weiss is 1053755454. It was assigned to this individual provider in the NPPES registry on April 29, 2013.

Q: What is William Weiss's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Q: When was this NPI record last updated?

The NPPES record for William Weiss was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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 April 29, 2013PECOS EnrolledAccepts Medicare Assignment

74.96/100

CMS Quality Rating

301 UNIVERSITY BLVD., GALVESTON, TX 77555(832) 505-1200(281) 309-0137 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2024, Dec 27, 2019, Feb 23, 2016 (3 updates tracked since 2016).

On this page

About Mr. William Michael Weiss Md NPPES

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

MR. WILLIAM MICHAEL WEISS MD (NPI 1053755454) is an individual sports medicine provider in Galveston, Texas, licensed in Texas (P9133) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and maintains a secondary practice location in League City.

NPPES Registry Identity

NPI1053755454

Entity TypeIndividualMale

Primary Taxonomy207XX0005X

Provider Legal NameMR. WILLIAM MICHAEL WEISSCredential: MD

Location Address301 UNIVERSITY BLVD.Galveston, TX 77555-0165

Mailing Address301 University Blvd.Galveston, TX 77555-0165 · (409) 747-5701 · Fax (409) 747-5715

Phone(832) 505-1200

Fax(281) 309-0137

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateApril 29, 2013

Last NPPES UpdateAugust 26, 20253 updates tracked since enumeration

NPPES CertifiedAugust 26, 2025

✔ NPI 1053755454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

License✔ Licensed in TX · P9133

Definition

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License P9133 (TX)

301 UNIVERSITY BLVD., Galveston, TX 77555

Open in Google Maps ↗

Secondary Practice Location 1

Location 12240 Gulf Freeway SouthLeague City, TX 77573 · Phone (832) 505-1200 · Fax (281) 309-0137

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. William Michael Weiss Md 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 ID2466762620

PECOS Enrollment IDI20151030001816

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.

Medicare Billing Reassignments

Medicare enrollment records show William Weiss reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Utmb Faculty Group Practice

Same address

General Practice

301 UNIVERSITY BLVD
Galveston, TX 77555

Reassigned Medicare billing, Texas enrollment
2,222 clinicians in this Medicare group

NPI 1942241146 (409) 772-2222

Shriners Hospitals For Children

0.1 mi

Anesthesiology

815 MARKET ST
Galveston, TX 77550

Reassigned Medicare billing, Texas enrollment
112 clinicians in this Medicare group

NPI 1316435563 (409) 770-6600

Texas Tech University Health Sciences Center

705 mi

Family Medicine

313 S RIO VISTA RD
El Paso, TX 79927

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
856 clinicians in this Medicare group

NPI 1588622500 (915) 859-0817

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

132 services64 patients

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.

53 services43 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

51 services44 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Hospital Affiliations CMS Care Compare

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

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number450018

Location301 University BoulevardGalveston, TX 77555 · Galveston County

Emergency services Birthing friendly

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.

74.96/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.77

Promoting Interoperability

Improvement Activities

Cost

47.75

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.

DR. RAVI RADHAKRISHNAN MD

Surgery (Pediatric Surgery)

301 UNIVERSITY BLVD.
GALVESTON, TX 77555

Galveston County (409) 772-5666

JAMES CLYNES MD

Psychiatry & Neurology (Psychiatry)

301 UNIVERSITY BLVD.
GALVESTON, TX 77555

Galveston County (409) 772-0770

MUGDHA MILIND MEHTA M.D

Psychiatry & Neurology (Neurology)

301 UNIVERSITY BLVD., JSA 9.128
GALVESTON, TX 77555

Galveston County (409) 772-8031

MALVIKA RAMESH MD

Internal Medicine

301 UNIVERSITY BLVD.
GALVESTON, TX 77555

Galveston County (409) 747-1883

CLAIRE ELIZABETH JANES

Psychiatry & Neurology (Psychiatry)

301 UNIVERSITY BLVD.
GALVESTON, TX 77555

Galveston County (409) 772-0770

DR. AMY ANN MRAZEK M.D., PH.D.

Surgery (Trauma Surgery)

301 UNIVERSITY BLVD., 6.146 JOHN SEALY ANNEX
GALVESTON, TX 77555

Galveston County (409) 772-1285

DR. ALEXANDRA PATALANO LONG MD

Internal Medicine

301 UNIVERSITY BLVD.
GALVESTON, TX 77555

Galveston County (409) 747-1883

NAPASIRI PUTTHANBUT MD

Psychiatry & Neurology (Neurology)

301 UNIVERSITY BLVD., JSA 9.128
GALVESTON, TX 77555

Galveston County (409) 772-8031

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 William Weiss's NPI number?

The NPI number for William Weiss is 1053755454. It was assigned to this individual provider in the NPPES registry on April 29, 2013.

Where is William Weiss located?

William Weiss practices at 301 University Blvd., Galveston, TX 77555. The listed phone number is (832) 505-1200.

What is William Weiss's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is William Weiss enrolled in Medicare?

Yes. William Weiss 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.

Which organizations bill Medicare for William Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Weiss reassigns Medicare benefits to 3 organizations: Utmb Faculty Group Practice (Galveston, TX), Shriners Hospitals For Children (Galveston, TX) and Texas Tech University Health Sciences Center (El Paso, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Weiss accept?

Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and WellPoint list William Weiss 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 William Weiss affiliated with any hospitals?

According to CMS data, William Weiss is affiliated with University Of Texas Medical Branch Galveston.

When was this NPI record last updated?

The NPPES record for William Weiss was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.