Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Wesley Mercer Jr., MD

Individual provider Family Medicine Physician · NPI 1235196957

Dr. John Wesley Mercer Jr., MD is registered under Family Practice in Wylie, Texas. Graduated from Louisiana State University School of Medicine in New Orleans in 1997, 29 years ago. Practices with Healthtexas Provider Network, a 2,539-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
29
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

600 Cooper Dr
Wylie, TX 75098-3970
Phone: (972) 442-7325
Fax: (972) 442-8348
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence L1667 (TX)

Record details

NPI number1235196957
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2006
Last updated in NPPESJanuary 18, 2023
Certification dateJanuary 18, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1997 (29 years in practice)
Group practice Healthtexas Provider Network — 2539 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Baylor Scott And White Medical Center Lake Pointe Hospital · Rowlett, TX · listed as Lake Pointe Operating Company, LLC
  • Baylor Scott & White Medical Center Plano Hospital · Plano, TX
  • Medical City Plano Hospital · Plano, TX
  • Accentcare Home Health Of McKinney Home health agency · McKinney, TX

Also affiliated with 1 inpatient rehabilitation facility, which CMS identifies by certification number only.

Colleagues at Healthtexas Provider Network

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2539 clinicians in the practice; 12 are shown here.

Other providers in Wylie