Hernan Robert Chang, MD - Medicare Internal Medicine in Jacksonville, FL

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Hernan Robert Chang, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Jacksonville, Florida. His current practice location is 3627 University Blvd S, Suite 615, Jacksonville, Florida. You can reach out to his office (for appointments etc.) via phone at (904) 399-1623.

Hernan Robert Chang is licensed to practice in Florida (license number ME88878) 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 1891720629.

Contact Information

Hernan Robert Chang, MD
3627 University Blvd S, Suite 615,
Jacksonville, FL 32216-4230
(904) 399-1623
(904) 399-1624

Map and Direction




Physician's Profile

Full NameHernan Robert Chang
GenderMale
SpecialityInternal Medicine - Infectious Disease
Location3627 University Blvd S, Jacksonville, Florida
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1891720629
  • Provider Enumeration Date: 07/11/2006
  • Last Update Date: 11/15/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2163413881
  • Enrollment ID: I20040525001529

Medical Identifiers

Medical identifiers for Hernan Robert Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891720629NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease ME88878 (Florida)Primary
208M00000XHospitalist ME88878 (Florida)Secondary

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. Hernan Robert Chang allows following entities to bill medicare on his behalf.
Entity NameJacksonville Multispecialty Group, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609951938
PECOS PAC ID: 3476550591
Enrollment ID: O20061103000102

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. Hernan Robert Chang 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
Hernan Robert Chang, MD
Po Box 17577,
Jacksonville, FL 32245-7577

Ph: (904) 399-1623		Hernan Robert Chang, MD
3627 University Blvd S, Suite 615,
Jacksonville, FL 32216-4230

Ph: (904) 399-1623

Reviews and Comments


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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.