Mesa West Medical

In observance of Thanksgiving, Mesa West Medical will be closed on Thursday November 27th and Friday November 28th, and the office will reopen on Monday December 1st.

Please call 911 if there are any emergencies. Any non-emergent questions, please text to (661) 829-7677
- Dr. William Gilli

8327 Brimhall Road Suite 704, Bakersfield, California, United States

+1-6618297677 - Mesa West Medical
appointments@mesawest.com
Monday through Friday 8 AM to 5 PM ( Closed Noon to 1 PM for lunch)

Mesa West Medical now has a Patient Portal.

You may access the portal at https://portal.mesawest.com/

Mesa West Medical is conveniently located in the Crowne Point Business Center at:

8327 Brimhall Road
Suite 704
Bakersfield, CA. 93312

Phone # (661) 829-7677
Fax# (661) 679-6920

Mesa West Medical was established in 1993 to serve the primary care needs of the growing population in Bakersfield and the surrounding area. The practice includes Dr. William Gilli, M.D., F.A.C.P. ( Board Certified Internist) and two Nurse Practitioners. Mesa West Medical is accepting new patients (age 16 years and older) and accepting most insurances including Medicare.

Mesa West Medical goal is to provide top-quality medical care with you as our top priority. We strive to make you very satisfied with our care.

As a Primary Care office, Mesa West Medical can provide:
Electrocardiograms
Cardiac Stress Testing
Holter Monitoring
Pulmonary Function Testing
Anti-coagulation Clinic
Diabetic Management
Long Term Medical Management
Annual and Wellness Visits.
Medication Refills
Telephone Calls
Emergency 24 Hour Answering Service

Mesa West is seeing patients in person and well as by telemedicine

Since the COVID-19 has changed our lives for now as we know it. Mesa West Medical has initiated Telemedicine to supplement our in person clinic visits. During office hours, we can be reached via the phone (661)829-7677 and through our telemedicine site at https://mesawest.doxy.me/website or clicking on Enter waiting room below. Our goal to keep all patients safe.

Start a telemedicine call with

Dr. Gilli

Enter waiting room

Telemedicine by

Doxy.me

Instagram

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William E. Gilli, M.D., F.A.C.P.

Physician

Dr. Gilli is a Bakersfield native. He attended West High School and graduated from the USC School of Medicine in 1983. Dr. Gilli is Board Certified in Internal Medicine. He is an Assistant Professor of Medicine at UCLA teaching at Kern Medical from 1993 until 2019. At Kern Medical, he has helped teach over 300 physicians for 26 years until retiring from Kern Medical in 2019. Since Retiring from Kern Medical, Dr. Gilli is working full time at Mesa West Medical. He is also a Fellow at the American College of Physicians. In early 2009, Dr. Gilli underwent a total hip replacement and has returned to running. He is an avid walker, runner, cyclist, and skier.

Tracy Simonsen ACNP-C

Nurse Practitioner

Tracy Simonsen received her Bachelor’s Degree from Cal State University Bakersfield in Nursing. She then worked in Intensive Care Medicine for the next 7 years at Kern Medical Center. She obtained her Master's Degree from UCLA in Nursing with a specialty as an Acute Care Nurse Practitioner. Tracy Simonsen has been at Mesa West Medical since 1996. Tracy enjoys tennis and golf.

Sarah Dowda AGNP-C

Nurse Practitioner

Sarah Dowda received her Bachelor’s Degree from Western Governor's University in Nursing in 2018. She then worked as an admission nurse and clinical manager for the next 5 years at a local hospice. She obtained her Master's Degree from Walden University in Nursing with a specialty as an Adult-Gerontology Primary Care Nurse Practitioner. Sarah Dowda has been at Mesa West Medical since 2023. Sarah is a huge Alabama Crimson Tide football fan.

Brenda L.

Office Manager and Billier

Brenda is the office manager and primary biller. She has been at Mesa West Medical since 2002. You can reach her at biller@mesawest.com

Jeanette R.

Front Office and Appointments

Jeanette works in the front office, checking in patients, and working on appointments. She also assists Brenda on billing and CeCe on authorizations. She has been at Mesa West Medical since 2004. Her favorite team is the Oakland Raiders (football). Jeanette can be reached at appointments@mesawest.com

Amy D..

Front Desk

Amy had been working at Mesa West Medical since September 2021. Her favorite teams are the Los Angeles Dodgers (baseball) and Las Vegas Raiders (football)

CeCe C.

Medical Assistant Supervisor

CeCe has been working at Mesa West Medical since 1999. She is the medical assistant supervisor. She also overseas authorizations and medical record requests. Her favorite teams are the Los Angeles Rams (football) and the St. Louis Cardinals (baseball). CeCe can be reached at authorizations@mesawest.com

Alicia V.

Medical Assistant

Alicia has been working at Mesa West Medical since July 2020. She primarily works with Tracy Simonsen and Kevin Nelson. She considers herself as a soccer mom. Her favorite teams are the Las Vegas Raiders (football) and Futbol Club Barcelona (Soccer). Alicia can be reached at nursing2@mesawest.com

Rachel D.

Medical Assistant

Rachel has been working at Mesa West Medical since May 2022. She primarily works with Sarah Dowda. Rachel can be reached at nursing@mesawest.com

New Patient Paperwork

Please double click the New Patient Paperwork form to open Mesa West’s Health Questionnaire so you may print it and complete prior to visiting our office.

Release of Medical Information to Family or Friends

Please double click the New Patient Paperwork form to open Mesa West’s Health Questionnaire so you may print it and complete prior to visiting our office.

POLST – Physician Orders for Life-Sustaining Treatment

Please double click the form to open Mesa West’s POLST form so you may also print it and complete prior to visiting our office.

Advance Care Planning -- More than just a document

Please double click the form to open the Advance Health Care Directive Form so you may also print it and review prior to visiting our office.

Release of Records from Kaiser Permanente

You may print out the release of records form for records from Kaiser Permanente.

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Get a Flu Shot! The CDC recommends that people over the age of 6 months get an annual flu shot. and More....

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Nutrition and healthy eating The heart-healthy Mediterranean diet is a healthy eating plan based on typical foods and recipes of Mediterranean-style cooking. Here's how to adopt the Mediterranean diet. By Mayo Clinic Staff

What’s New for the 2024 - 2025 Flu Season?

Getting an annual flu vaccine is the first and best available way to protect yourself and your family from flu and its potentially serious complications.

What You Should Know About Influenza (Flu) Antiviral Drugs

Can flu illness be treated? Yes. There are prescription medications called “antiviral drugs” that can be used to treat flu illness.

Shingrix Vaccine for the prevention of herpes zoster (shingles) in adults.

Shingles is a condition caused by the varicella zoster virus (VZV), the same virus that causes chickenpox. On October 20, 2017, GlaxoSmithKline announced the FDA approval of Shingrix for the prevention of herpes zoster (shingles) in adults aged 50 years and older.

Only 23% of Americans Get Enough Exercise, a New Report Says

Less than a quarter of Americans are meeting all national physical activity guidelines, according to a new report from the Centers for Disease Control and Prevention’s National Center for Health Statistics (NCHS).

8327 Brimhall Road Suite 704, Bakersfield, California, United States

In an attempt to provide timely and optimal care for our patients, Mesa West Medical had to temporarily closed our panels for new patients. We are pleased to announce that we are accepting new patients as of June 1, 2023. The new patient packets will need to be completed and returned to the office 48 hours prior to the appointment or the appointment will need to be rescheduled. Thank you for your understanding. - Dr. William Gilli

🔐 Website Privacy Policy

Effective Date: 09/25/2025

Last Updated: 09/25/2025

1. Introduction Mesa West Medical (“we,” “us,” or “our”) values your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website www.mesawest.com

2. Information We Collect We may collect the following types of information:

Personal Information: Name, email address, phone number, mailing address, etc.
Usage Data: IP address, browser type, operating system, pages visited, time spent on pages, etc.
Cookies and Tracking Technologies: To enhance user experience and analyze site traffic.

3. How We Use Your Information We use your information to:

Provide and maintain our services
Improve website functionality and user experience
Send newsletters, promotions, or updates (with your consent)
Respond to inquiries and provide customer support
Comply with legal obligations

4. Sharing Your Information We do not sell your personal data. We may share it with:

Service providers who assist in website operations
Legal authorities when required by law
Business partners (only with your consent)

5. Cookies and Tracking We use cookies to:

Remember user preferences
Analyze site performance
Deliver targeted advertising (if applicable)
You can manage cookie settings through your browser.

6. Data Security We implement reasonable security measures to protect your data from unauthorized access, disclosure, or destruction.

7. Your Rights Depending on your location, you may have rights to:

Access, correct, or delete your personal data
Withdraw consent for marketing communications
File a complaint with a data protection authority

8. Third-Party Links Our website may contain links to third-party sites. We are not responsible for their privacy practices.

9. Children’s Privacy Our site is not intended for children under 13. We do not knowingly collect data from minors.

10. Changes to This Policy We may update this policy periodically. Changes will be posted on this page with a revised “Effective Date.”

11. Contact Us If you have questions or concerns about this Privacy Policy, contact us at:

📧 biller@mesawest.com

📞 661/829-7677

📍 8327 Brimhall Road Suite 704, Bakersfield, CA 93312

.

🔐 SMS Privacy Policy

Effective Date: 9/25/2025

Last Updated: 9/25/2025

1. Introduction Mesa West Medical is committed to protecting your privacy. This SMS Privacy Policy explains how we collect, use, and safeguard your personal information when you interact with us via SMS.

2. Information We Collect When you opt in to receive SMS messages, we may collect:

Your mobile phone number
Your name (if provided)
Message content and interaction history
Consent status and opt-in timestamp

3. How We Use Your Information We use SMS communications to:

Send transactional updates (e.g., order confirmations, appointment reminders)
Provide customer support
Share promotional offers (only with prior consent)
Notify you of important account or service changes

4. Consent and Opt-Out

You must opt in to receive SMS messages from us.
You can opt out at any time by replying “STOP” to any message.
We will honor opt-out requests promptly and cease further messaging.

5. Data Sharing and Disclosure We do not sell or rent your SMS-related data. We may share it only with:

Trusted service providers who help us deliver SMS messages
Legal authorities when required by law

6. Data Security We implement industry-standard security measures to protect your information from unauthorized access, disclosure, or misuse.

7. Retention SMS interaction data is retained for [3 years] for operational and legal purposes, after which it is securely deleted.

8. Children’s Privacy We do not knowingly collect SMS data from individuals under the age of 13. If we learn that we have, we will delete it promptly.

9. Changes to This Policy We may update this policy periodically. Changes will be posted with a revised “Effective Date.”

10. Contact Us If you have questions or concerns about this SMS Privacy Policy, contact us at: 📧 biller@mesawest.com 📞 661/829-7677

Mesa West Medical

We Are Here To Take Care of Your Health

In observance of Thanksgiving

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