Dr John J Willems, MD - Medicare Obstetrics/gynecology in La Jolla, CA

Dr John J Willems, MD is a medicare enrolled "Obstetrics & Gynecology" physician in La Jolla, California. He went to New York Medical College and graduated in 1973 and has 51 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Scripps Health and his current practice location is 10666 N Torrey Pines Rd, La Jolla, California. You can reach out to his office (for appointments etc.) via phone at (858) 764-9080.

Dr John J Willems is licensed to practice in California (license number G35952) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1184664591.

Contact Information

Dr John J Willems, MD
10666 N Torrey Pines Rd,
La Jolla, CA 92037-1027
(858) 764-9080
Not Available

Map and Direction




Physician's Profile

Full NameDr John J Willems
GenderMale
SpecialityObstetrics/gynecology
Experience51 Years
Location10666 N Torrey Pines Rd, La Jolla, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John J Willems attended and graduated from New York Medical College in 1973
  NPI Data:
  • NPI Number: 1184664591
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 06/30/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 6406927565
  • Enrollment ID: I20080617000353

Medical Identifiers

Medical identifiers for Dr John J Willems such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184664591NPI-NPPES
00G359520MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology G35952 (California)Primary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology G35952 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Scripps Health92340338531365

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John J Willems allows following entities to bill medicare on his behalf.
Entity NameScripps Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275899072
PECOS PAC ID: 9234033853
Enrollment ID: O20031124000822

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. Dr John J Willems is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John J Willems, MD
File# 54433,
Los Angeles, CA 90074-0001

Ph: () -
Dr John J Willems, MD
10666 N Torrey Pines Rd,
La Jolla, CA 92037-1027

Ph: (858) 764-9080

Reviews and Comments


Obstetrics & Gynecology Doctors in La Jolla, CA

Renee Marleen Nelson, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9850 Genesee Ave, #60, La Jolla, CA 92037
Phone: 858-453-0753    Fax: 858-642-4270
Mariann Alperin, M.D., M.S.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9350 Campus Point Drive, Ste 2a, Mc 0974, Ucsd Women's Pelvic Medicine, La Jolla, CA 92037
Phone: 858-657-8435    
Tra V Pham,
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 9333 Genesee Ave, La Jolla, CA 92037
Phone: 858-882-8350    
Dr. Alice S Park, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 9300 Campus Point Dr, Mail Code 0633, La Jolla, CA 92037
Phone: 888-309-8273    
Dr. Mel M. Kurtulus, M.D.
Obstetrics & Gynecology
Medicare: May Accept Medicare Assignments
Practice Location: 9850 Genesee Ave Ste 640, La Jolla, CA 92037
Phone: 858-677-0777    Fax: 858-677-0666
Benito Villanueva, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 9850 Genesee Ave, Suite 410, La Jolla, CA 92037
Phone: 858-550-4954    Fax: 858-550-4946
Dr. Seth Daniel Bulow, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 9834 Genesee Ave, Suite 400, La Jolla, CA 92037
Phone: 858-622-9076    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.