John Mersch Iii, MD - Pediatrics in Ladera Ranch, CA

John Mersch Iii, MD is a Pediatrics physician based in Ladera Ranch, California. John Mersch Iii is licensed to practice in California (license number G40887) and his current practice location is 777 Corporate Dr, Suite 250, Ladera Ranch, California. He can be reached at his office (for appointments etc.) via phone at (949) 388-1798.

NPI number for John Mersch Iii is 1588769558 and his current mailing address is 23321 El Toro Rd, Suites F&g, Lake Forest, California. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1588769558.

Contact Information

John Mersch Iii, MD
777 Corporate Dr, Suite 250,
Ladera Ranch, CA 92694-2135
(949) 388-1798
Not Available

Map and Direction




Physician's Profile

Full NameJohn Mersch Iii
GenderMale
SpecialityPediatrics
Location777 Corporate Dr, Ladera Ranch, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1588769558
  • Provider Enumeration Date: 09/14/2006
  • Last Update Date: 03/13/2012

Medical Identifiers

Medical identifiers for John Mersch Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588769558NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics G40887 (California)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Mersch Iii is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Mersch Iii, MD
23321 El Toro Rd, Suites F&g,
Lake Forest, CA 92630-4825

Ph: (949) 770-0513
John Mersch Iii, MD
777 Corporate Dr, Suite 250,
Ladera Ranch, CA 92694-2135

Ph: (949) 388-1798

Reviews and Comments


Pediatrics Doctors in Ladera Ranch, CA

Dr. John J Miller Jr., M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 2 Franciscan Ct, Ladera Ranch, CA 92694
Phone: 949-274-3340    Fax: 949-861-4885
Dr. Kenson Lo, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 777 Corporate Dr, Suite 250, Ladera Ranch, CA 92694
Phone: 949-388-1798    Fax: 949-388-6495
Dr. Christine M Comulada, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 333 Corporate Dr Ste 200, Ladera Ranch, CA 92694
Phone: 949-347-7200    
Leann Arleen Williams, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 333 Corporate Dr Ste 200, Ladera Ranch, CA 92694
Phone: 949-347-7200    
Dr. Ying Peng, MD, PHD
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 333 Corporate Dr, Ladera Ranch, CA 92694
Phone: 949-215-6662    Fax: 949-215-6663
Lisa Teschke-nguyen, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 333 Corporate Dr Ste 200, Ladera Ranch, CA 92694
Phone: 949-388-1798    
Amy Cox, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 800 Corporate Dr, Suite 280, Ladera Ranch, CA 92694
Phone: 949-388-1798    

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