Calixto Antonio Romero Iii, MD - Medicare Internal Medicine in Little Rock, AR

Calixto Antonio Romero Iii, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Little Rock, Arkansas. His current practice location is 4301 W Markham St # 584, Little Rock, Arkansas. You can reach out to his office (for appointments etc.) via phone at (501) 526-2085.

Calixto Antonio Romero Iii is licensed to practice in Arkansas (license number E-17772) 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 1326507187.

Contact Information

Calixto Antonio Romero Iii, MD
4301 W Markham St # 584,
Little Rock, AR 72205-7101
(501) 526-2085
(501) 526-2059

Map and Direction




Physician's Profile

Full NameCalixto Antonio Romero Iii
GenderMale
SpecialityInternal Medicine - Critical Care Medicine
Location4301 W Markham St # 584, Little Rock, Arkansas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1326507187
  • Provider Enumeration Date: 03/19/2019
  • Last Update Date: 08/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6507194537
  • Enrollment ID: I20221221002489

Medical Identifiers

Medical identifiers for Calixto Antonio Romero Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326507187NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 23265 (New Hampshire)Secondary
207P00000XEmergency Medicine E-17772 (Arkansas)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 23265 (New Hampshire)Secondary
207RC0200XInternal Medicine - Critical Care Medicine E-17772 (Arkansas)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. Calixto Antonio Romero Iii allows following entities to bill medicare on his behalf.
Entity NameValley Regional Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366687683
PECOS PAC ID: 5799683280
Enrollment ID: O20031222000429

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. Calixto Antonio Romero 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
Calixto Antonio Romero Iii, MD
4301 W Markham St # 783,
Little Rock, AR 72205-7101

Ph: (501) 686-8000
Calixto Antonio Romero Iii, MD
4301 W Markham St # 584,
Little Rock, AR 72205-7101

Ph: (501) 526-2085

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.