Christopher Michael Day, MD - Medicare Pediatrics in National City, CA

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Christopher Michael Day, MD is a medicare enrolled "Pediatrics" physician in National City, California. His current practice location is 1000 Euclid Ave, National City, California. You can reach out to his office (for appointments etc.) via phone at (619) 515-2399.

Christopher Michael Day is licensed to practice in California (license number A163862) 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 1184121253.

Contact Information

Christopher Michael Day, MD
1000 Euclid Ave,
National City, CA 91950-3856
(619) 515-2399
Not Available

Map and Direction




Physician's Profile

Full NameChristopher Michael Day
GenderMale
SpecialityPediatrics
Location1000 Euclid Ave, National City, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1184121253
  • Provider Enumeration Date: 04/06/2018
  • Last Update Date: 01/09/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1759784689
  • Enrollment ID: I20210729000949

Medical Identifiers

Medical identifiers for Christopher Michael Day such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184121253NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A163862 (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. Christopher Michael Day allows following entities to bill medicare on his behalf.
Entity NameBorrego Community Health Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134144165
PECOS PAC ID: 1759299944
Enrollment ID: O20040122000961
Entity NameFamily Health Centers Of San Diego, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447281936
PECOS PAC ID: 3476446378
Enrollment ID: O20040204000923

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. Christopher Michael Day 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
Christopher Michael Day, MD
823 Gateway Center Way,
San Diego, CA 92102-4541

Ph: (619) 515-2300		Christopher Michael Day, MD
1000 Euclid Ave,
National City, CA 91950-3856

Ph: (619) 515-2399

Reviews and Comments


Pediatrics Doctors in National City, CA

Dr. Rafael A Garcia, MD
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 610 Euclid Ave, Ste 302, National City, CA 91950
Phone: 619-527-7700    Fax: 619-527-3226
Dr. Sandra Lynn Perez, M.D.
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 502 Euclid Ave, Suite 202, National City, CA 91950
Phone: 619-267-1022    Fax: 619-267-5680
Ms. Mariles F Valencia, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 655 Euclid Ave, #207, National City, CA 91950
Phone: 619-472-4575    Fax: 619-472-4530
Ms. Blanca I Fresno, M.D.
Pediatrics
Medicare: Not Enrolled in Medicare
Practice Location: 655 Euclid Ave Ste 207, National City, CA 91950
Phone: 619-472-4575    Fax: 619-475-4578
Dr. Mohammed T Bailony, MD
Pediatrics
Medicare: Accepting Medicare Assignments
Practice Location: 655 Euclid Ave Ste 205, National City, CA 91950
Phone: 619-470-1945    Fax: 619-475-5048
Dr. Harrsha Thirunagari, M.D
Pediatrics
Medicare: Medicare Enrolled
Practice Location: 101 N Highland Ave Ste A, National City, CA 91950
Phone: 619-434-7308    Fax: 619-434-7310

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.