Address & Directions

Main Office and Mailing Address:

750 W Lincoln Hwy

The Commons at Oaklands

Exton, PA 19341

Second Office: 676 W Lincoln Hwy

The Commons at Oaklands

Exton, PA 19341


Get Directions >

Phone & Fax

Main Phone: (610) 363-0100

Fax: (610) 363-3923

Emergencies: Dial 9-1-1

Regular Hours:

Monday–Friday 7:00am–8:00pm

Saturday & Sunday, 8:00am–4:00pm

After Hours: 

Please still call the office; our recording will give you the on-call provider's number.

Message a Provider

Providers can be contacted securely through a Patient Portal Message.


Log In to the Patient Portal >

Please note: Portal messages should never be used for urgent matters. If you are sick or need assistance same-day, please call our office.

I need:


Same-Day Appointments

are held in reserve each day for sick patients. Do not use email or our online form if you are sick; call us and use extension 302 to book an appointment right away.

Be sure to bring your current insurance card and a method of payment (cash or credit card) for your copay.

(610) 363-0100 x302

For this matter, a phone call is essential to ensure an appointment is booked quickly. Please do not use email or our online form, as these are checked less frequently.


Well Visits

such as an annual physical, a routine gynecological visits, or sports/college/driver physicals. Scheduling these appointments can be done conveniently by email or with our online appointment request form.

Note: All patients MUST bring to their appointment their current insurance card and a method of payment (cash or credit card) for their copay, or the appointment may need to be rescheduled.

New Patients: Welcome!

Email Us:

Call us at: (610) 363-0100, x214

Current Patients: Complete our form below:

For this matter, email or our online form is best.



For this matter, email or our online form is best.


For this matter, email or our online form is best.

For this matter, email or our online form is best.

Refill requests must come directly from your pharmacy. Please call your pharmacy and ask that they submit an electronic request. Allow 48 hours for your request to be processed. Contact your pharmacy early in the day, and early in the week. Requests received after 3:00pm will not be addressed until the next business day, and may take up to 48 hours for completion. Read more about our refills policy >

To ask a question or check the status of a refill, please email

or call (610) 363-0100 x221.


If you require a refill of a controlled substance, gather the required information below:


Patient Full Name

Patient Date of Birth

Primary Provider/Practitioner at CMMD & Associates

Drug Name (from the bottle, please)

Dose (from the bottle, please)

Times taken per day (from the bottle, please)

Pharmacy Name, Street Address, Phone

Does your Insurance allow 90-day supplies?

Is this refill needed urgently?

Please note that we are unable to call in or authorize refills of controlled medications after hours or on weekends. Due to tightened DEA regulations, medications such as narcotics, anti-anxiety medications, and ADD medicines will only be refilled Monday-Friday, 9 am to 5 pm. Please check your medication quantities carefully before the end of the week. Please note that if you are on a controlled substance for ADD (Adderall, Ritalin, Vyvanse, Concerta, Focalin and others) you MUST be seen at least every THREE months in order for refills to be authorized.


Send this information to

or call (610) 363-0100 x221

or enter it into the form below:

A reminder: this form is ONLY for controlled substance refill requests. For all other refills, please contact your pharmacy and ask that they send us an electronic request.

To be referred to a specialist, it is our policy that patients must be current on their PCP follow-up visits before we can renew specialist referrals. In general, this means you must have been seen in our office in the past 3 months for your medical condition. For new medical concerns, patients must see their Primary Care Physician to determine if further evaluation by a specialist is needed before issuing a new referral. We do not routinely refer to chiropractors. You must discuss any referral to a chiropractor with your Primary Care Physician.


To request a referral please provide the following:


  • Patient Full Name

  • Patient Date of Birth

  • Patient Contact Number

  • Primary Insurance

  • Specialist Name

  • Location (specific address) of the Specialist you are seeing

  • Specialist NPI Number

  • Diagnosis code (reason you are seeing this specialist)

  • Is your visit related to a new medical condition?

  • Date of Specialist Appointment

  • Date of last PCP Appointment

Send to

or call (610) 363-0100 x215

or enter it into the contact form below:





For this matter, email or our online form is best.

Pre-certification for a screening or test such as an MRI, CT, echo-cardiogram, etc. can be provided.

Send your request with supporting information to


Most insurances now require pre-certification for tests like MRI, CT Scan and Echocardiogram. However, it may take up to 72 hours for a non-urgent test to be pre-certified. If you don't hear back from us after 72 hours, please follow up with your ordering clinician via the Patient Portal.

Some medications must be pre-authorized for insurance coverage.

Please use our secure Patient Portal to send a General Portal Message to your provider, including your prior authorization request and any supporting information. 

Note that these requests can take 48-72 hours due to communication with an insurance company; we will contact you as soon as we have an update, but feel free to follow up in your patient portal or with a phone call.


We love to hear from you!

All practitioners at our office welcome you to send them a secure Patient Portal message for non-urgent communication about your care, keeping in mind that:

  • We respond to messages during the course of our normal workday.

  • We do our best to respond to all messages within 48 hours. If you need an answer faster, a portal message may not be the best method; please call the office.

  • If your message goes unanswered for more than 48 hours, please call the office; it may not have been successfully delivered.

Provider Email Addresses:

For matters that do not relate to medical matters or your chart, such as feedback or questions about appointments, we welcome your emails. (Note: Discussions about personal medical information should be reserved for secure Patient Portal messages instead. Thanks!)

Christine Meyer, MD:

Christine is the founder and owner of the practice. Not only can her patients email her, but any patient can email Christine directly to discuss their care, the practice, and any patient dissatisfaction or concerns. Christine cares deeply about your concerns and wishes to ensure that all patients receive excellent service. She'll do her best to make your experience exceptional.


Joan McFadden, MD:

Melissa Bradley, CRNP:

Kim Sabadish, MD:

Meghan Belamorich, MD:

Lisa Murphy, PA-C:

Pam Conner, CRNP:

Kara Costanzo, PA-C:

Office Staff and General Contacts:


Judy Platt (Patient Care Coordinator)

Lauren Marohn (Patient Care Coordinator)

Sue Carroll

Sam Collins (Front Desk Supervisor)

Kelly Watson (Testing Pre-Certs)

Send a general inquiry:

Contact Your Provider


Other Matters

Please use our convenient Patient Portal for medical information, or our email contacts to get in touch about other matters.

No specific contact listed for your question?

Send a general inquiry:


(610) 363-0100 x209



(610) 363-0100 x215



Jen Bauhaus

(610) 363-0100 x210

Looking for test results?

Your provider will contact you directly with test results, either by phone or via our secure Patient Portal. Results can be discussed by phone, but to view your results directly, you must accept our invitation to join our online patient portal.


If you have not received a call or portal message with test results in the timeframe your provider estimated they would be available (usually 14 days), please do not hesitate to contact us by phone or portal and we will investigate any results that may be in the queue to be sent to you. Note: we cannot discuss test results via email.

Meet Our Neighbors:

Healthy Steps Pediatrics



We share our 750 office with Chester County's premier pediatric practice. Together, Dr. Serkes, Dr. John and Dr. Meyer have over 40 years of combined experience in pediatrics.


Call Healthy Steps:  (610) 363-7837


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Christine Meyer, MD & Associates


Main Office and Mailing Address:

750 W. Lincoln Hwy

The Commons at Oaklands

Exton, PA  19341

Second Office Location:

676 W. Lincoln Hwy

The Commons at Oaklands

Exton, PA  19341


Phone: (610) 363-0100

Fax: (610) 363-3923


More contact information >


After Hours Care: For emergencies, patients should dial 911. For non-emergency urgent clinical advice, please call the office first. A recording will give you the on-call provider's cell number. You may then feel free to call or text that number directly. 


General, Non-Urgent Inquiries:

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