Lexie L. Diaz

PA·Physician Assistant

295 ESSJAY RD, Williamsville, NY 14221

Medicare Accepted

Telehealth Available

2+ Years Experience

Contact Lexie L. Diaz

(716) 630-1000 Get Directions

295 ESSJAY RD, Williamsville, NY 14221

For Providers

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Specialty

Physician Assistant Specialists

Coverage

Medicare + 5 Networks

Telehealth

Available

About Lexie L. Diaz

Background and practice information

Lexie L. Diaz is a physician assistant with over 2 years of clinical experience serving patients in the Williamsville, NY area. She completed her medical training at Other and has been in practice since 2024. She currently practices at Buffalo Medical Group, P.c..

Lexie L. Diaz is in-network with 5 insurance providers, including Aetna, Cigna, Highmark BS Northeastern NY, and 2 more. Patients are encouraged to verify coverage with her office before scheduling an appointment.

At a Glance

GenderFemale

Experience2+ years

MedicareAccepted

TelehealthAvailable

Education

Medical SchoolOther

Graduated2024

Are you Lexie L. Diaz?

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Practice Locations

3 locations

Buffalo Medical Group, P.C.

Primary

295 Essjay Rd

Williamsville, NY 14221

(716) 630-1000

Buffalo Medical Group, P.C.

6950 S Transit Rd

Lockport, NY 14094

(716) 630-1000

View 1 more location

Buffalo Medical Group, P.C.

85 High St

Buffalo, NY 14203

(716) 630-1000

Affiliations

Hospital and facility affiliations

Buffalo Medical Group, P.C.

Group Practice · WILLIAMSVILLE, NY

Insurance Networks

Accepted insurance plans and networks

Lexie L. Diaz accepts 19 plans from 5 insurers, including Cigna, Aetna, Highmark BS Northeastern NY.

Cigna

In-NetworkView all Cigna doctors in Williamsville, NY →

Healthpartners Qualified Network

Localplus Sar

Mvp Mohawk Valley Physicians

National OapOAP

National PpoPPO

National Ppo Sar 1PPO

National Ppo Sar IiPPO

Oap Shared Admin RepricingOAP

Pathwell OapOAP

Pathwell PpoPPO

Priority Health Alliance

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Financial Transparency

Industry payment disclosures

Pharmaceutical and medical device companies disclosed $257 in payments to Lexie L. Diaz in 2024, primarily from Lilly USA, LLC for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.

Top Paying Companies

Lilly USA, LLC$132

SANOFI-AVENTIS U.S. LLC$125

Food and Beverage: $257

Source: CMS Open Payments, 2024.

Patient Reviews

Reviews and ratings from patients

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This profile appears in 5 insurance networks

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About Physician Assistant

Specialty overview and common conditions

A Physician Assistant (PA) is a licensed medical professional who practices medicine as part of a healthcare team. PAs diagnose illnesses, develop and manage treatment plans, prescribe medications, perform procedures, assist in surgery, and provide comprehensive patient care across all medical speci...

Common conditions treated by physician assistant specialists:

Diabetes Management
Hypertension (High Blood Pressure)
Musculoskeletal Injuries
Respiratory Infections

Learn more about physician assistant specialists

Frequently Asked Questions

Common questions about Lexie L. Diaz

Does Diaz accept Medicare?

Yes, Diaz accepts Medicare assignment. Patients with Medicare coverage can see Diaz and typically pay less out of pocket when using a provider who accepts Medicare assignment.

What insurance does Diaz accept?

Diaz is in-network with 5 insurance providers, including Aetna, Cigna, Highmark BS Northeastern NY, Medicare, UnitedHealthcare. Insurance networks can change, so patients should verify their specific plan coverage directly with Diaz's office before scheduling.

Does Diaz offer telehealth or virtual appointments?

Yes, Diaz offers telehealth services, allowing patients to have virtual consultations from the comfort of their home. Contact the office to schedule a telehealth appointment.

What conditions does Diaz treat?

As a physician assistant specialist, Diaz commonly treats conditions including diabetes management, hypertension (high blood pressure), musculoskeletal injuries, respiratory infections, wound care and lacerations, and other related health concerns. Contact the office to discuss your specific healthcare needs.

Where did Diaz go to medical school?

Diaz completed medical training at Other and has been practicing since 2024, bringing over 2 years of clinical experience.

Where is Diaz's office located?

Diaz practices at 295 ESSJAY RD, Williamsville, NY 14221 at BUFFALO MEDICAL GROUP, P.C.. You can reach the office by calling (716) 630-1000.

How do I make an appointment with Diaz?

To schedule an appointment with Diaz, call the office at (716) 630-1000. New patients should have their insurance information and medical records ready when calling.

Data source: CMS National Provider Registry · Last updated: May 2026