Dr John W Cronin, MD - Medicare Internal Medicine in La Jolla, CA

Dr John W Cronin, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in La Jolla, California. 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) 554-8845.

Dr John W Cronin is licensed to practice in California (license number A87808) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1760469381.

Contact Information

Dr John W Cronin, MD
10666 N Torrey Pines Rd,
La Jolla, CA 92037-1027
(858) 554-8845
Not Available

Map and Direction




Physician's Profile

Full NameDr John W Cronin
GenderMale
SpecialityInternal Medicine - Critical Care Medicine
Location10666 N Torrey Pines Rd, La Jolla, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1760469381
  • Provider Enumeration Date: 12/23/2005
  • Last Update Date: 01/25/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 8921069386
  • Enrollment ID: I20041020000402

Medical Identifiers

Medical identifiers for Dr John W Cronin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760469381NPI-NPPES
00A878080MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine A87808 (California)Primary

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 W Cronin 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 W Cronin 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 W Cronin, MD
10790 Rancho Bernardo Rd,
San Diego, CA 92127-5705

Ph: (858) 554-8845
Dr John W Cronin, MD
10666 N Torrey Pines Rd,
La Jolla, CA 92037-1027

Ph: (858) 554-8845

Reviews and Comments


Internal Medicine Doctors in La Jolla, CA

Dr. John Sturdivant Andrews, MD
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Practice Location: 1223 Via Barranca, La Jolla, CA 92037
Phone: 858-775-1976    
Dr. Mark C Adrian, M.D.
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Phone: 858-202-0011    
Dr. Erminia M. Guarneri, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 10666 N Torrey Pines Rd, La Jolla, CA 92037
Phone: 858-554-3330    Fax: 858-784-5933
Dr. Eric Hong, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9834 Genesee Ave, Suite 300, La Jolla, CA 92037
Phone: 858-824-2900    Fax: 858-824-2910
Katrina Deleon, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 10666 N Torrey Pines Rd, La Jolla, CA 92037
Phone: 858-554-6158    
Abhishek Gadre, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 9300 Campus Point Dr, La Jolla, CA 92037
Phone: 858-657-7118    
Mira Maria John, MD
Critical Care Medicine
Medicare: Medicare Enrolled
Practice Location: 9300 Campus Point Dr, La Jolla, CA 92037
Phone: 800-926-8273    

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.