Dr Gervacio D Diaz Iii, MD - Medicare Internal Medicine in Modesto, CA

Dr Gervacio D Diaz Iii, MD is a medicare enrolled "Internal Medicine" physician in Modesto, California. He graduated from medical school in 1988 and has 36 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 2013 Coffee Rd, Modesto, California. You can reach out to his office (for appointments etc.) via phone at (209) 529-8506.

Dr Gervacio D Diaz Iii is licensed to practice in California (license number A69801) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1700835451.

Contact Information

Dr Gervacio D Diaz Iii, MD
2013 Coffee Rd,
Modesto, CA 95355-2405
(209) 529-8506
(209) 529-8524

Map and Direction




Physician's Profile

Full NameDr Gervacio D Diaz Iii
GenderMale
SpecialityInternal Medicine
Experience36 Years
Location2013 Coffee Rd, Modesto, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Gervacio D Diaz Iii graduated from medical school in 1988
  NPI Data:
  • NPI Number: 1700835451
  • Provider Enumeration Date: 05/09/2006
  • Last Update Date: 03/13/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7911906219
  • Enrollment ID: I20061214000411

Medical Identifiers

Medical identifiers for Dr Gervacio D Diaz Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1700835451NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A69801 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial Medical CenterModesto, CAHospital

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 Gervacio D Diaz Iii allows following entities to bill medicare on his behalf.
Entity NameGervacio D Diaz Iii Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437221025
PECOS PAC ID: 5496755779
Enrollment ID: O20070110000553

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 Gervacio D Diaz Iii 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 Gervacio D Diaz Iii, MD
2013 Coffee Rd,
Modesto, CA 95355-2405

Ph: (209) 529-8506
Dr Gervacio D Diaz Iii, MD
2013 Coffee Rd,
Modesto, CA 95355-2405

Ph: (209) 529-8506

Reviews and Comments


Internal Medicine Doctors in Modesto, CA

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Esra Olgun, MD
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Dr. Paul Golden, M.D.
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Practice Location: 1330 Nelson Ave, Suite C, Modesto, CA 95350
Phone: 209-576-1547    Fax: 209-576-2736

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.