VASILIOS MATHEWS M.D.
NPI 1104814532
Orthopaedic Surgery in Houston, TX

Q: What is Vasilios Mathews's NPI number?

The NPI number for Vasilios Mathews is 1104814532. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Q: What is Vasilios Mathews's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Vasilios Mathews was last updated on October 3, 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 October 10, 2005PECOS EnrolledAccepts Medicare Assignment

82.67/100

CMS Quality Rating

7401 S. MAIN ST, FONDREN ORTHOPEDIC GROUP L.L.P., HOUSTON, TX 77030(713) 799-2300(713) 794-3380 Get Directions Write a Review

NPPES record last updated: October 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 3, 2024, Oct 19, 2022 (2 updates tracked since 2022).

On this page

About Vasilios Mathews M.d. NPPES

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

VASILIOS MATHEWS M.D. (NPI 1104814532) is an individual orthopaedic surgery provider in Houston, Texas, licensed in Texas (L7475) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1104814532

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameVASILIOS MATHEWSCredential: M.D.

Location Address7401 S. MAIN ST, FONDREN ORTHOPEDIC GROUP L.L.P.Houston, TX 77030-4509

Mailing Address7401 S. Main St, Fondren Orthopedic Group L.l.p.Houston, TX 77030-4509 · (713) 799-2300 · Fax (713) 794-3380

Phone(713) 799-2300

Fax(713) 794-3380

Sole ProprietorYes

Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1996

Enumeration DateOctober 10, 2005

Last NPPES UpdateOctober 3, 20242 updates tracked since enumeration

NPPES CertifiedOctober 3, 2024

✔ NPI 1104814532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in TX · L7475

Definition

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Also ListedOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryTaxonomy 207XS0114X · License L7475 (TX)

7401 S. MAIN ST, Houston, TX 77030

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Secondary Practice Location 1

Location 18731 Katy Fwy Ste 420Houston, TX 77024-1736 · Phone (832) 516-6997 · Fax (833) 520-1440

Other Identifiers 1

Medicaid168733701TX

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vasilios Mathews 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 ID5193616472

PECOS Enrollment IDI20040608000763

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 Vasilios Mathews reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ortholonestar, PLLC

Same address

Orthopaedic Surgery

7401 MAIN ST
Houston, TX 77030

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

NPI 1942860176 (713) 799-2300

Fondren Orthopedic Group L.L.P.

0.1 mi

Orthopaedic Surgery

7401 SOUTH MAIN ST
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Fondren Orthopedic Group LLP
51 clinicians in this Medicare group

NPI 1609830595 (713) 799-2300

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 18

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 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.

413 services363 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

344 services260 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

299 services203 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.

296 services238 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

291 services240 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

214 services45 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.

155 services155 patients

Replacement of knee joint, both sides of knee 27447

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

154 services146 patients

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.

82 services81 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

75 services70 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

49 services37 patients

X-ray of both hips, 3-4 views 73522

An X-ray of both hips with 3-4 views is a safe imaging procedure. It involves capturing multiple pictures of your hip joints from different angles. This helps in diagnosing conditions like arthritis or fractures. You'll need to stay still during the process for clear images.

44 services41 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

17 services16 patients

Injection, methylprednisolone acetate, 80 mg J1040

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

16 services13 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.

15 services15 patients

Compounded drug, not otherwise classified J7999

A compounded drug is a personalized medication created to meet unique patient needs. If you can't take standard drugs due to allergies or need a specific dosage not commercially available, a pharmacist can mix ingredients to make a drug specifically for you.

15 services15 patients

Computer-assisted surgery for muscle and bone procedure 20985

Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.

14 services14 patients

Revision of thigh and lower leg bone components of total knee joint prosthesis 27487

This procedure involves replacing parts of your knee joint prosthesis that have worn out or become damaged. Specifically, components in your thigh and lower leg bones are revised to improve joint function and alleviate discomfort.

14 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Houston Methodist Clear Lake Hospital

Acute Care Hospitals · Nassau Bay, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450709

Location18300 Houston Methodist DrNassau Bay, TX 77058 · Harris County

Emergency services Birthing friendly

Texas Orthopedic Hospital

Acute Care Hospitals · Houston, TX

OwnershipVoluntary non-profit - Other

CMS Certification Number450804

Location7401 South Main StreetHouston, TX 77030 · Harris County

Emergency services

Houston Physicians' Hospital

Acute Care Hospitals · Webster, TX

OwnershipPhysician

CMS Certification Number670008

Location333 N Texas AvenueWebster, TX 77598 · Harris County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

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.

82.67/100

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

Individually scored

Quality

70.68

Promoting Interoperability

Improvement Activities

Reported Quality Measures

Advance Care Plan

84%925 patients4/55-star benchmark: 100%

Breast Cancer Screening

66%641 patients3/55-star benchmark: 93%

Cervical Cancer Screening

48%345 patients2/55-star benchmark: 98%

Closing the Referral Loop: Receipt of Specialist Report

59%418 patients3/55-star benchmark: 87%

Colorectal Cancer Screening

52%1,162 patients3/55-star benchmark: 88%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

79%24 patients1/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

99%1,948 patients4/55-star benchmark: 100%

e-Prescribing

100%885 patients5/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

87%891 patients4/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 93% · 1,110 patients

Patients screened: 98% · 1,110 patients

5%57 patients1/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

83%652 patients4/55-star benchmark: 100%

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)

Lower rates are better for this measure.

0.03%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

57%535 patients3/55-star benchmark: 98%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

80%66 patients4/55-star benchmark: 91%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 953 patients

Patients totalRate: 8% · 953 patients

8%953 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

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

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers15 claims15 services$20.81 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Vasilios Mathews's NPI number?

The NPI number for Vasilios Mathews is 1104814532. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is Vasilios Mathews located?

Vasilios Mathews practices at 7401 S. Main St Fondren Orthopedic Group L.L.P., Houston, TX 77030. The listed phone number is (713) 799-2300.

What is Vasilios Mathews's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Vasilios Mathews enrolled in Medicare?

Yes. Vasilios Mathews 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 Vasilios Mathews's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vasilios Mathews reassigns Medicare benefits to 2 organizations: Ortholonestar, PLLC (Houston, TX) and Fondren Orthopedic Group L.L.P. (Houston, 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 Vasilios Mathews's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vasilios Mathews 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 Vasilios Mathews 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 Vasilios Mathews affiliated with any hospitals?

According to CMS data, Vasilios Mathews is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System, Houston Methodist Clear Lake Hospital, Texas Orthopedic Hospital and Houston Physicians' Hospital.

When was this NPI record last updated?

The NPPES record for Vasilios Mathews was last updated on October 3, 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.